JP2006072265A - Camera shift device for precision photograph and composite photograph creation method using same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a camera shift device for precision photographs and a composite photograph creation method using the same, which allow a composite photograph to be created by a small-sized and simple mechanism. <P>SOLUTION: The camera shift device includes; a first barrel portion 21 which is provided with a camera-side mount 20 attachable to a lens attachment part 17 of a camera main body 11, in the base side; a second barrel portion 26 which is provided with a lens-side mount 25, to which a lens 14 of an image circle 13 wider than an imaging part 12 of the camera main body 11 can be attached, in the front side and has a larger diameter than the first barrel portion 21; and a light shielding rotating body 30 which is rotatably provided in the base side of a middle part of the second barrel portion 26 and has the front side of a middle part of the first barrel portion 21 attached thereto in an eccentric state. The first barrel portion 21 is rotatable to the light shielding rotating body 21. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a precision photo camera shift device that rotates and moves a camera body in a decentered state with respect to a lens, and a composite photo creation method using the same.

Conventionally, a plurality of photographs (images) are connected and combined into one photograph to obtain a fine photograph. As a method of creating a composite photo, as shown in FIGS. 23A to 23C, first, the camera body 70 is installed on a tripod (not shown), and the lens 71 is directed to the left side of the subject (for example, a mountain). The left side of the subject is taken into the imaging unit 74 in the image circle 73 of the lens 71 to take a picture, and then the camera body 70 is rotated by a predetermined angle so that a part of the photograph taken while keeping the level is overlapped, that is, In some methods, the optical axis 72 of the lens 71 is shifted, the lens 71 is directed to the right side of the subject, a photograph is taken, and the resulting photograph is synthesized to obtain a composite photograph 75. Examples of the imaging unit include an imaging element such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor), a film, or the like.

Also, as shown in FIGS. 24A to 24C, a method using a large camera body 81 having a bellows 80 is also known. First, the lens 82 is shifted to the left side, the lens 82 is directed to the left side of the subject, the left side of the subject is put into the imaging unit 84 in the image circle 83 of the lens 82, and then a photograph is taken. The lens 82 is shifted to the right side so as to partially overlap, and the right side of the subject is put in the imaging unit 84 to take a picture. Further, a composite photograph 85 is created from the obtained photograph. When the camera body 81 is used, the lens 82 may be fixed, the film back 86 on which the film or the image sensor is installed is moved in the horizontal direction, and a composite photograph may be obtained from the obtained photograph.

Furthermore, in the interchangeable lens camera body, a shift lens that shifts the optical axis of the lens and the center of the imaging surface of the film or image sensor has been developed, and using this shift lens, the optical axis of the lens is shifted to take a picture. You can also compose multiple photos.
Patent Document 1 discloses a solid-state imaging device and a resolution conversion device that capture a plurality of images of a subject by shifting an imaging element such as a digital camera and then combine them to obtain a high-resolution image.

JP 2001-309229 A

However, in the method of photographing with the optical axis 72 of the lens 71 shifted by a predetermined angle, a device for rotating the optical axis 72 of the lens 71 at an accurate angle has to be installed between the camera body and the tripod. was there. In this case, depending on the performance of the lens 71 attached to the camera main body 70, peripheral dimming, coma, curvature, distortion, and the like due to insufficient peripheral light amount occur in the obtained image, particularly at the edge of the image. It was difficult to synthesize accurately at the joints.

Further, when the large camera body 81 is used, the entire apparatus becomes large, and an apparatus for accurately maintaining the distance between the lens 82 and the imaging unit 84 is required. Furthermore, when the lens 82 is moved not only in the left-right direction (shift) but also in the up-down direction (rise, fall), there is a problem that the apparatus becomes larger.
In addition, the conventional shift lens has a fixed focal length, and it has not been possible to shoot with the focal length adjusted. In the invention of Patent Document 1, a pixel element manufactured with high accuracy for shifting the optical axis is required.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a precision photo camera shift device capable of creating a composite photo with a small and simple mechanism and a method of creating a composite photo using the same. .

A precision photo camera shift device according to the first invention that meets the above-described object is provided with a first barrel portion that includes a camera-side mount that can be attached to a lens mounting portion of a camera body on the base side,
A lens-side mount capable of attaching a lens of an image circle wider than the imaging unit of the camera body on the front side, a second barrel portion having a diameter larger than that of the first barrel portion;
A light-shielding rotator that is rotatably provided on a base side or an intermediate part of the second cylinder part, and a tip side or an intermediate part of the first cylinder part attached in an eccentric state,
Moreover, the first barrel portion can be rotated with respect to the light shielding rotating body,
The second barrel portion is fixed and the first barrel portion is rotated to take a photograph with a different field of view, or the camera body attached to the first barrel portion is fixed and the light shielding rotation is performed. Rotate your body and take pictures with different viewpoints.

The camera shift device for precision photography according to the second invention that meets the above-mentioned object includes a first barrel portion including a camera-side mount that can be attached to a lens mounting portion of a camera body on the base side,
A lens-side mount capable of attaching a lens of an image circle wider than the imaging unit of the camera body on the front side, a second barrel portion having a diameter larger than that of the first barrel portion;
A light-blocking rotating body fixed to a base side or an intermediate part of the second barrel part, and a tip side or an intermediate part of the first barrel part attached in an eccentric state,
Moreover, the light-shielding rotator is rotatable with respect to the first barrel portion,
The camera body attached to the first barrel portion is fixed, the light shielding rotating body is rotated, and photographs with different viewpoints are taken.

A method for creating a composite photograph using the precision photo camera shift device according to the first aspect of the present invention comprises: a first barrel portion provided with a camera-side mount that can be attached to a lens mounting portion of a camera body; A lens-side mount capable of attaching a lens of an image circle wider than the imaging unit of the camera body on the front side, a second barrel portion having a diameter larger than that of the first barrel portion, 2. A precision photograph having a light-shielding rotator that is rotatably provided at a base side or an intermediate part of the second barrel part and in which a tip side or an intermediate part of the first barrel part is eccentrically and rotatably attached. For camera shift device,
A first step of taking a photograph by installing the light shielding rotating body at a reference angular position of the second barrel portion;
The light shielding rotator is rotated by a predetermined angle from a reference angle position of the second cylinder portion, and the first cylinder portion is rotated by the predetermined angle in a direction opposite to the rotation direction of the light shielding rotator. And a second step of taking a picture by returning the camera body to its original position,
The second step is performed one or more times corresponding to the predetermined angle determined in advance to obtain a plurality of photographs having different viewpoints or viewing angle positions, and the plurality of photographs are combined to form a single photograph. Form.

A method for creating a composite photograph using the precision photo camera shift device according to the second aspect of the present invention provides a first barrel portion including a camera-side mount that can be attached to a lens mounting portion of a camera body on a base side. A lens-side mount capable of attaching a lens of an image circle wider than the imaging unit of the camera body on the front side, a second barrel portion having a diameter larger than that of the first barrel portion, And a light-shielding rotating body that is provided (fixed) on the base side or the middle part of the second barrel part, and the tip side or middle part of the first barrel part is eccentric and rotatably mounted. Using a photo camera shift device,
A first step of taking a photograph by installing the light-shielding rotator at a reference angular position of the first barrel portion;
A second step of taking a photograph by rotating the light shielding rotating body by a predetermined angle from a reference angle position of the first barrel portion,
The second step is performed one or more times corresponding to the predetermined angle determined in advance to obtain a plurality of photographs with different viewpoints, and the plurality of photographs are combined to form a single photograph.

According to a first aspect of the present invention, there is provided a precision photo camera shift device and a method of creating a composite photo using the same, having first and second barrel portions, attaching the first barrel portion to a camera body, A lens having a large image circle is attached to the second barrel portion, and the first barrel portion is eccentrically and rotatably attached to a light-shielding rotator that is rotatably provided to the second barrel portion. Therefore, it is possible to take a plurality of photographs with different viewpoints or fields of view. Accordingly, a plurality of photographs with different viewpoints or fields of view for the same object and adjacent portions overlapping each other can be obtained. By combining these photographs, a more precise photograph (that is, a larger number of dots) can be obtained. Obtainable.
In the first aspect of the invention, when the first lock screw and the second lock screw are provided, the camera attached to the first barrel portion can be securely held. Further, when the first index and the second index indicating the positions of the first lock screw and the second lock screw are provided, the first barrel portion can be quickly and reliably moved to a predetermined position.

In the precision photo camera shift device according to the second invention and the method of creating a composite photo using the same, the first and second barrel sections are attached to the camera body, A lens with a large image circle is attached to the second barrel portion, and the second barrel portion is decentered and rotatable via a light-shielding rotating body that is rotatably provided on the first barrel portion. Because it is attached, you can take multiple photos with different viewpoints. Therefore, as in the first invention, a plurality of photographs can be obtained, which makes it possible to obtain a more precise photograph.
In the second invention, when the first lock screw is provided, the camera attached to the first barrel portion can be securely held. Furthermore, when the 1st parameter | index showing the position of a 1st lock screw is provided, a 1st trunk | drum cylinder part can be moved to a predetermined position quickly and reliably.

Furthermore, in the precision photo camera shift device and the composite photo creation method using the same according to the first and second inventions, a more precise photo can be obtained by synthesizing the plurality of photos. . In this case, the lens is attached to the camera body via the precision photo camera shift device. However, since the position of the camera is changed by rotating the light shielding rotating body, light from the outside is completely shielded.

Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
1 to 4 are a side view, a front view, a rear view, a cross-sectional view, and FIG. 5A, respectively, of the precision photographic camera shift device according to the first embodiment of the present invention. Explanatory drawing of the notch part position of the 1st cylinder part of a camera shift apparatus, (B) is explanatory drawing of the notch part position of the light-shielding member of the camera shift apparatus for precision photography, FIG. 6 (A)-(E) are FIG. FIG. 7 is an explanatory view of a composite photo by the same precision photographic camera shift device, FIG. 7 is an explanatory view of a composite photo by the same precision photographic camera shift device, and FIGS. 15-18 are side views, front views, rear views, cross-sectional views, and FIGS. 19-22, respectively, of the precision photographic camera shift device according to the second embodiment of the present invention. It is explanatory drawing of the use condition of the photographic camera shift apparatus.

With reference to FIGS. 1 to 7, a precision photo camera shift device 10 according to a first embodiment of the present invention will be described.
A precision photo camera shift device (hereinafter also simply referred to as a “camera shift device”) 10 has a camera body 11 on the base side and an image circle 13 larger than the imaging unit 12 (for example, CMOS) of the camera body 11 on the front side. Is mounted with the vertical axis 15 from the center of the imaging unit 12 of the camera body 11 and the optical axis 16 of the lens 14 in an eccentric state, and the imaging unit with the optical axis 16 of the lens 14 as the center. This is a device that can rotate 12 vertical shafts 15 and can return the inclination of the image pickup unit 12 associated therewith.

The camera shift device 10 has a first barrel portion 21 that includes a camera-side mount 20 that can be attached to the lens mounting portion 17 of the camera body 11 on the base side. The camera-side mount 20 is fixed to a small-diameter cylindrical body 22 constituting the first barrel section 21 with a plurality of, for example, four screws 23, and can be replaced in accordance with the camera to be mounted. In addition, the camera shift device 10 includes a lens-side mount 25 that is attached to a camera attachment portion (not shown) of the lens 14 on the front side, and a second barrel portion 26 that has a larger diameter than the first barrel portion 21. Have. The lens-side mount 25 is fixed to a large-diameter cylindrical body 27 constituting the second barrel section 26 with a plurality of, for example, four screws 28, and can be replaced in accordance with the lens to be mounted.

Further, the camera shift device 10 is rotatably provided on the base side of the second barrel portion 26, and the light shielding rotator 30 is attached so that the tip side of the first barrel portion 21 is eccentric and rotatable. have. The light-shielding rotating body 30 is attached to the light-shielding member 31 in a state of eccentricity with a light-shielding member 31 that is rotatably provided on the second body cylinder portion 26, and the front side of the first body cylinder portion 21 is rotatable at the base portion. And a short cylinder member 32 to be attached. The light shielding member 31 and the short cylinder member 32 may be integrally formed. A first lock screw 33 for fixing the first barrel portion 21 at a predetermined position is provided outside the short barrel member 32, and a light shielding member 31 is placed outside the second barrel portion 26. A second lock screw 34 is provided for fixing in position. The first and second lock screws 33 and 34 have a substantially conical base.

As shown in FIG. 5 (A), four first to fourth inverted conical shapes into which the base portion of the first lock screw 33 is fitted on the outer periphery of the small-diameter cylindrical body 22 of the first trunk cylinder portion 21. Notches 35-38 are provided. Further, as shown in FIG. 5B, four inverted fifth to eighth cutout portions into which the base portion of the second lock screw 34 is fitted on the outer periphery of the light shielding member 31 of the light shielding rotating body 30. 39 to 42 are provided.

For example, as shown in FIGS. 6 (A) to 6 (E), the camera shift device 10 is used to maintain the normal position where the camera body 11 is normally held, that is, in the image circle 13 while maintaining the vertical and horizontal directions. In addition, when the imaging unit 12 is moved to the upper left, upper right, lower right, and lower left with the center of the image circle 13 as an axis, respectively, the photos a to d are taken, and the composite photo e is created from the taken photos, As shown in FIG. 7, the center of the imaging unit 12 moves at angles α, β, α, and β with the center of the image circle 13 as an axis. 6 and 7 are images in the viewfinder 11a of the camera body 11, and the image projected on the imaging unit 12 is actually upside down and left and right.

Here, when the first photograph a and the third photograph c are taken, the light shielding rotating body 30 is rotated 180 degrees (that is, α + β = 180 degrees), the second photograph b and the fourth photograph. When taking a photo d of the eye, the light shielding rotator 30 is rotated at a certain rotation angle α from the position where the first and third photos were taken. Note that a composite photograph may be created from a photograph taken while shifting the imaging unit only in the vertical direction or only in the horizontal direction around the center of the image circle while keeping the camera body in the normal position.

Therefore, as shown in FIGS. 5A and 5B, the angle between the first notch 35 and the second notch 36, the angle between the third notch 37 and the fourth notch 38, The angle between the fifth notch 39 and the sixth notch 40 and the angle between the seventh notch 41 and the eighth notch 42 are α, and the second notch 36 and the third notch The angle between the fourth notch 38 and the first notch 35, the angle between the sixth notch 40 and the seventh notch 41, and the eighth notch 42 and the fifth. The angle with the notch 39 is β. Note that when the angles of adjacent cutout portions are the same (α = β = 90 degrees), the combined imaging portion is a square.

Here, the 1st cylinder part 21 and the short cylinder member 32 are provided with the 1st parameter | index 43 which shows the position of the 1st-4th notch parts 35-38 fixed with the 1st lock screw 33. As shown in FIG. This is a guideline for returning the tilt of the imaging unit 12 of the camera body 11 tilted by the rotation of the light blocking rotator 30. The first indicator 43 includes a first position reference 44 provided on the front surface and the side surface of the base portion of the small-diameter cylindrical body 22, and first to first positions provided on the front surface and the base side surface of the short cylinder member 32. It consists of 4th position scales 45-48.

As shown in FIG. 6A, the first position reference 44 is provided at the left side position of the small-diameter cylindrical body 22 so that the imaging unit 12 becomes a reference angle position located at the upper left in the image circle 13. Yes. Further, the first to fourth position scales 45 to 48 are aligned with the first position reference 44, respectively, so that the first lock screw 33 is fitted to the corresponding first to fourth notches 35 to 38. Is provided around the small-diameter cylindrical body 22 so as to be inserted.

The second barrel portion 26 and the light shielding member 31 are provided with a second index 49 indicating the positions of the fifth to eighth cutout portions 39 to 42 fixed by the second lock screw 34. This is a measure of the rotational position of the member 31. The second indicator 49 includes a second position reference 50 provided on the front surface and the side surface of the base portion of the large-diameter cylindrical body 27 of the second barrel portion 26, and the base portion of the light shielding member 31 of the light shielding rotating body 30. The fifth to eighth position scales 51 to 54 provided on the front surface and the side surface of the base. Here, the second position reference 50 is provided at a position where the second lock screw 34 is fitted. The fifth to eighth position scales 51 to 54 indicate the positions of the fifth to eighth cutout portions 39 to 42.

In the camera shift device 10, the first and second position references 44 and 50 and the first to eighth position scales 45 to 48 and 51 to 54 are formed by grinding. Alternatively, it may be formed by protruding protrusions.

The first and second indicators 43 and 49 are provided so that the imaging unit 12 of the camera body 11 attached to the camera-side mount 20 is positioned at four positions so as to be in the normal position. As shown, adjacent image pickup units 12 when moving in the image circle 13 overlap at least on one side. As a result, a plurality of photographed photos a to d are easily combined because at least one side of adjacent photos overlaps each other. Further, the cutout part is provided on the opposite side by 180 degrees so that the first and second indexes are two places, the image pickup part is moved in the vertical direction or the horizontal direction, and the photographed image is vertically or horizontally It may be arranged in the direction.

Further, the camera side mount 20 and the lens side mount 25 are arranged in parallel positions. The camera-side mount 20 and the lens-side mount 25 may be tilted from the parallel position. In this case, tilt and swing, which are operations with a so-called large format camera, can be performed. In addition, the distance from the tip of the lens mounting portion 17 of the camera body 11 attached to the camera side mount 20, that is, the mounting position of the camera body 11 of the camera side mount 20 to the tip of the lens side mount 25 is determined by the lens 14. This is a difference between a flange back length L of a camera (not shown) having a long flange back that is normally attached and a flange back length M of the camera body 11 attached to the camera side mount 20. Here, the flange back refers to the distance from the front part of the lens mounting part to the imaging part.

Further, a tripod seat 56 having a screw hole 55 that can be attached to a tripod or a monopod (not shown) is attached to the second barrel portion 26 by attachment screws 57 and 58. The camera shift device 10 usually has a tripod seat 56 attached to a tripod via a screw hole 55, the second barrel portion 26 is fixed, the optical axis 16 of the lens 14 is fixed, and the viewpoint is set to a fixed position. The small-diameter cylindrical body 22 and the first barrel cylinder portion 21 are rotated by the rotation of the light shielding rotating body 30, and the vertical axis 15 of the imaging unit 12, that is, the camera body 11 is rotated to take a picture while changing the field of view. To do.

The camera body 11 is attached to a tripod through a tripod mounting hole (not shown) provided in the camera body 11, the camera body 11 is fixed to keep the field of view constant, and the light of the lens 14 is rotated by the rotation of the light shielding rotating body 30. The shaft 16 may be rotated to take photographs with different viewpoints. In this case, it is preferable that the second barrel portion 26 is fixed to the light shielding member 31 by the second lock screw 34 so that the lens 14 is not rotated.

Next, with reference to FIGS. 8 to 14, a method of taking a photo using the precision photo camera shift device 10 and a method of creating a composite photo from the taken photo will be described.
First, as shown in FIG. 1, the camera body 11 is mounted on the camera side mount 20 provided on the base side of the first barrel portion 21 via the lens mounting portion 17, and the second barrel portion 26 is mounted. The lens 14 is attached to the lens side mount 25 provided on the front side of the lens, and a tripod (not shown) is attached to the screw hole 55 of the tripod seat 56 (see FIG. 1).

(First step)
As shown in FIG. 8, the first position reference 44 and the first position scale 45 are aligned, and the first lock screw 33 is fitted into the first notch 35 to shorten the first barrel portion 21. Further, the second position reference 50 and the fifth position scale 51 are aligned, the second lock screw 34 is fitted into the fifth notch 39, and the light-shielding rotator 30 is fixed to the cylindrical member 32. The camera body 11 is set to the normal position, the image pickup unit 12 of the camera body 11 is positioned at the upper left in the image circle 13, and the photograph a is taken.

(Second step)
Next, as shown in FIG. 9, after loosening the second lock screw 34, the light shielding rotating body 30 is moved by the angle α clockwise to align the second position reference 50 and the sixth position scale 52, The second lock screw 34 is fitted into the sixth cutout portion 40 to fix the light shielding member 31 to the second barrel portion 26. Since the imaging unit 12 is inclined at an angle α clockwise from the normal position, as shown in FIG. 10, after loosening the first lock screw 33, the first barrel portion 21 is moved in the reverse direction, that is, counterclockwise. The first position reference 44 and the second position scale 46 are aligned with each other, the first lock screw 33 is fitted into the second notch 36, and the first barrel portion 21 is shortened. The camera body 11 is fixed to the member 32, the camera body 11 is returned to the normal position, and the upper right photo b in the image circle 13 is taken.

In addition, as shown in FIG. 11, after the second lock screw 34 is loosened, the light shielding rotating body 30 is moved by an angle β in the clockwise direction so that the second position reference 50 and the seventh position scale 53 are aligned. The second lock screw 34 is fitted into the seventh notch 41 to fix the light shielding member 31 to the second barrel portion 26. Since the imaging unit 12 is inclined clockwise from the normal position by an angle β, as shown in FIG. 12, after loosening the first lock screw 33, the first barrel portion 21 is rotated counterclockwise by an angle β. Then, the first position reference 44 and the third position scale 47 are matched, and the first lock screw 33 is fitted into the third cutout portion 37 to fix the first barrel portion 21 to the short cylinder member 32. Then, the camera body 11 is returned to the normal position and the lower right photo c in the image circle 13 is taken. In the third photo c, the light shielding rotator 30 is rotated 180 degrees from the reference angular position.

Further, as shown in FIG. 13, after the second lock screw 34 is loosened, the light shielding rotating body 30 is moved by an angle α in the clockwise direction so that the second position reference 50 and the eighth position scale 54 are aligned. The second lock screw 34 is fitted into the eighth cutout portion 42 to fix the light shielding member 31 to the second barrel portion 26. Since the imaging unit 12 is inclined clockwise by α from the normal position, as shown in FIG. 14, after loosening the first lock screw 33, the first barrel portion 21 is rotated counterclockwise by angle α. Then, the first position reference 44 is aligned with the fourth position scale 48, the first lock screw 33 is fitted into the fourth cutout portion 38, and the first barrel portion 21 is fixed to the short cylinder member 32. Then, the camera body 11 is returned to the normal position, and the lower left photograph d in the image circle 13 is taken.

Next, four photographs a to d taken at different viewing angle positions are taken into a personal computer (not shown), and the overlapping parts are overlapped to create a composite photograph e. Here, the rotation of the light-shielding rotator 30 is divided into four with respect to the central axis of the lens-side mount 25 (the optical axis 16 of the lens 14), and is a composite photograph synthesized from four photographed photos a to d. The rotation angle of the light shielding rotator 30 is determined so that e is substantially rectangular. Note that the rotation of the light shielding rotator 30 may be divided into two parts, and two photographs to be taken may be overlapped in the vertical direction or the horizontal direction.

With reference to FIGS. 15 to 22, a precision photo camera shift device 60 according to a second embodiment of the present invention will be described. The same components as those in the precision photo camera shift device 10 are denoted by the same reference numerals, and detailed description thereof is omitted.
A precision photo camera shift device (hereinafter also simply referred to as a “camera shift device”) 60 has a camera body 11 on the base side and an image circle 13 larger than the imaging unit 12 (for example, CMOS) of the camera body 11 on the front side. Is mounted with the vertical axis 15 from the center of the imaging unit 12 of the camera body 11 and the optical axis 16 of the lens 14 being eccentric, and the lens is centered on the vertical axis 15 of the imaging unit 12. This is a device capable of rotating 14 optical axes 16.

The camera shift device 60 is different from the camera shift device 10 in that the second barrel portion 61 including the lens side mount 25 is fixed to a light shielding member 63 provided at the front portion of the light shielding rotating body 62. Yes. Accordingly, the camera shift device 60 is not provided with the second lock screw, the second index, and the fifth to eighth notches. The camera shift device 60 is also different from the camera shift device 10 in that the tripod seat 56 is not provided because the camera body 11 is fixed and the optical axis 16 of the lens 14 is moved. Hereinafter, the camera shift device 60 will be described in detail.

As shown in FIGS. 15 to 18, the camera shift device 60 includes a first body cylinder portion 21 including a camera side mount 20 and a small diameter cylindrical body 22, a lens side mount 25 and a large diameter cylindrical body 64, and The second barrel portion 61 having a larger diameter than the first barrel portion 21 is fixed to the base side of the second barrel portion 61, and the front side of the first barrel portion 21 is in an eccentric state. And a light shielding rotating body 62 mounted rotatably. The light shielding rotator 62 is attached to the light shielding member 63 fixed to the second barrel portion 61 and the light shielding member 63 in an eccentric state, and the front side of the first barrel portion 21 is rotatably attached to the base portion. A short cylinder member 32.

In addition, the light shielding member 63 and the short cylinder member 32 may be integrally formed, and these and the large-diameter cylindrical body 64 may be integrally formed. A first lock screw 33 for fixing the first barrel portion 21 at a predetermined position is provided outside the short cylinder member 32. The first lock screw 33 has a base that is substantially conical and has four first to fourth notches 35 to 38 provided on the outer periphery of the small-diameter cylindrical body 22 of the first barrel cylinder 21. The light shielding rotating body 62 can be fixed to the first barrel portion 21.

For example, as shown in FIGS. 6A to 6E, the camera main body 11 is fixed to a tripod or the like using the camera shift device 60, the light shielding rotating body 62 is rotated, and the finder 11a of the camera main body 11 is rotated. That is, the imaging unit 12 is moved in the image circle 13 and with the center of the image circle 13 as an axis to move to the upper left, upper right, lower right, and lower left, respectively, and photographs a to d are respectively taken. When creating e, as shown in FIG. 7, the center of the imaging unit 12 moves at angles α, β, α, and β around the center of the image circle 13, respectively.

Therefore, as shown in FIG. 5A, the angle between the first notch 35 and the second notch 36 and the angle between the third notch 37 and the fourth notch 38 are α. The angle between the second notch 36 and the third notch 37 and the angle between the fourth notch 38 and the first notch 35 are β. Note that when the angles of adjacent cutout portions are the same (α = β = 90 degrees), the combined imaging portion is a square. Here, on the first barrel portion 21 and the short barrel member 32, the positions of the first to fourth cutout portions 35 to 38 fixed by the first lock screw 33 are shown. The first position reference 44 provided on the front surface and the side surface of the base portion, and the first to fourth position scales 45 to 48 provided on the front surface of the base portion and the side surface of the base portion of the short cylinder member 32. An indicator 43 is provided.

Next, with reference to FIG. 19 to FIG. 22, a method of taking a photo using the precision photo camera shift device 60 and a method of creating a composite photo from the taken photo will be described.
First, as shown in FIG. 15, the camera body 11 is attached to the camera-side mount 20 provided on the base side of the first barrel portion 21 via the lens mounting portion 17, and the second barrel portion 61. The lens 14 is attached to a lens side mount 25 provided on the front side of the camera, and a tripod (not shown) is attached to a tripod attachment hole (not shown) of the camera body 11.

(First step)
As shown in FIG. 19, the first position reference 44 and the first position scale 45 are aligned, and the first lock screw 33 is fitted into the first notch 35 to shorten the first barrel portion 21. The light shielding rotating body 62 is fixed to the cylindrical member 32, the reference angular position of the first barrel portion 21 is set, and the imaging unit 12 of the camera body 11 is positioned at the upper left in the image circle 13 to take a photograph a. To do.

(Second step)
Next, as shown in FIG. 20, after loosening the first lock screw 33, the light shielding rotating body 62 is rotated clockwise by an angle α to align the first position reference 44 and the second position scale 46. Then, the first lock screw 33 is fitted into the second cutout portion 36 to fix the first barrel portion 21 to the short cylinder member 32, and a photograph b on the upper right in the image circle 13 is taken.

Further, as shown in FIG. 21, after loosening the first lock screw 33, the light shielding rotating body 62 is rotated clockwise by an angle β, and the first position reference 44 and the third position scale 47 are aligned, The first lock screw 33 is fitted into the third notch 37 to fix the first barrel portion 21 to the short cylinder member 32, and a lower right photograph c in the image circle 13 is taken. In the third photo c, the light shielding rotator 62 is rotated 180 degrees from the reference angular position.

Furthermore, as shown in FIG. 22, after loosening the first lock screw 33, the light shielding rotating body 62 is rotated clockwise by an angle α, and the first position reference 44 is aligned with the fourth position scale 48. The first lock screw 33 is fitted into the fourth cutout portion 38 to fix the first barrel portion 21 to the short cylinder member 32, and a lower left photograph d in the image circle 13 is taken.

Next, four photographs a to d taken from different viewpoints are taken into a personal computer (not shown), and the overlapping parts are overlapped to create a composite photograph e. Here, the rotation of the light shielding rotator 62 is divided into four with respect to the central axis of the lens-side mount 25 (the optical axis 16 of the lens 14), and is a composite photograph synthesized from four photographed photos a to d. The rotation angle of the light shielding rotator 62 is determined so that e is substantially rectangular. Note that the rotation of the light shielding rotator 62 may be divided into two parts, and two photographs to be taken may be overlapped in the vertical direction or the horizontal direction.

The present invention is not limited to the above-described embodiment, and can be changed without changing the gist of the present invention. For example, a part or all of the above-described embodiment and modification examples are combined. In addition, the configuration of the precision photo camera shift device of the present invention and the composite photo creation method using the same is also included in the scope of the present invention.

For example, the image pickup unit of the camera attached to the precision photo camera shift device of the above embodiment may be a CCD image pickup element in addition to CMOS, and a film may be used. When film is used as the image pickup unit, the photos are combined when the photos are printed, or the captured film is converted into digital data by a scanner and then imported to a personal computer, and the overlapping portions are superimposed and combined. You may create a photo. Moreover, the lens used should just have an image circle larger than an imaging part, and may use a telescope.

Although the light-shielding rotator is composed of the light-shielding member and the short cylindrical member, a through-hole having a circular cross section provided eccentrically in the light-shielding member may be provided, and the first barrel portion may be rotatably attached to the through-hole. Further, the light shielding member and the short cylinder member are integrally formed, and the first barrel portion is rotatably attached to the base portion of the short barrel member, but the short barrel member and the first barrel portion are not rotatable. The short cylinder member may be rotatably attached to the light shielding member, and the intermediate part of the short cylinder member may be rotatable.

Although the reference angle position of the light-shielding rotator is the position at which the imaging unit 12 of the camera body 11 is at the upper left in the image circle 13, any of the lower left, the upper right, and the lower right may be used. Moreover, although the front side of the light-shielding rotator is provided on the base side of the second barrel portion, it may be provided at an intermediate portion of the second barrel portion. Moreover, although the base side of the light-shielding rotator is provided on the front side of the first barrel portion, it may be provided in the middle portion of the first barrel portion.

1 is a side view of a precision photo camera shift device according to a first embodiment of the present invention. It is a front view of the camera shift device for precision photography. It is a rear view of the camera shift device for precision photographs. It is sectional drawing of the same camera shift device for precision photographs. (A) is explanatory drawing of the notch part position of the 1st cylinder part of the camera shift device for precision photography, (B) is explanatory drawing of the notch part position of the light shielding member of the camera shift device for precision photography. (A)-(E) are each explanatory drawing of the synthesis | combination of the photograph by the camera shift apparatus for precision photography. It is explanatory drawing of the composite photograph by the same camera shift apparatus for precision photographs. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is a side view of the camera shift apparatus for precision photography concerning the 2nd Embodiment of this invention. It is a front view of the camera shift device for precision photography. It is a rear view of the camera shift device for precision photographs. It is sectional drawing of the same camera shift device for precision photographs. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. It is explanatory drawing of the use condition of the camera shift device for the said precision photography. (A)-(C) are explanatory drawings of the preparation method of the composite photo which concerns on a prior art example. (A)-(C) are explanatory drawings of the preparation method of another synthetic photograph which concerns on a prior art example.

Explanation of symbols

10: Camera shift device for precision photography, 11: Camera body, 11a: Viewfinder, 12: Imaging unit, 13: Image circle, 14: Lens, 15: Vertical axis, 16: Optical axis, 17: Lens mounting unit, 20: Camera side mount, 21: first barrel portion, 22: small diameter barrel, 23: screw, 25: lens side mount, 26: second barrel portion, 27: large diameter barrel, 28: screw, 30 : Light shielding rotating body, 31: light shielding member, 32: short cylindrical member, 33: first lock screw, 34: second lock screw, 35: first notch, 36: second notch, 37: 3rd notch, 38: 4th notch, 39: 5th notch, 40: 6th notch, 41: 7th notch, 42: 8th notch, 43: 1st 44: first position reference, 45: first position scale, 46: second position scale, 47: third Position scale, 48: fourth position scale, 49: second index, 50: second position reference, 51: fifth position scale, 52: sixth position scale, 53: seventh position scale, 54: 8th position scale, 55: screw hole, 56: tripod seat, 57, 58: mounting screw, 60: camera shift device for precision photography, 61: second barrel section, 62: light shielding rotating body, 63 : Light shielding member, 64: large-diameter cylindrical body

Claims (13)

A first barrel portion having a camera-side mount that can be attached to the lens mounting portion of the camera body on the base side;
A lens-side mount capable of attaching a lens of an image circle wider than the imaging unit of the camera body on the front side, a second barrel portion having a diameter larger than that of the first barrel portion;
A light-shielding rotator that is rotatably provided on a base side or an intermediate part of the second cylinder part, and a tip side or an intermediate part of the first cylinder part attached in an eccentric state,
Moreover, the first barrel portion can be rotated with respect to the light shielding rotating body,
The second barrel portion is fixed and the first barrel portion is rotated to take a photograph with a different field of view, or the camera body attached to the first barrel portion is fixed and the light shielding rotation is performed. A camera shift device for precision photography, characterized in that the body is rotated to take pictures from different viewpoints. 2. The precision photo camera shift device according to claim 1, wherein the light-shielding rotating body is attached to the light-shielding member in a state of eccentricity with a light-shielding member rotatably provided on the second barrel portion, and A camera shift device for precision photography, comprising: a short cylinder member to which a front side of the first barrel part is attached. 3. The precision photographic camera shift device according to claim 2, wherein the short cylinder member and the light shielding member are integrally formed, and the first barrel portion is fixed at a predetermined position outside the short cylinder member. And a second lock screw for fixing the light-shielding member at a predetermined position on the outer side of the second barrel portion. 4. The precision photographic camera shift device according to claim 3, wherein the first barrel portion and the short barrel member are provided with a first index indicating a position to be fixed by the first lock screw, and A precision photo camera shift device, wherein the second cylinder portion and the light shielding member are provided with a second index indicating a position to be fixed by the second lock screw. 5. The precision photographic camera shift device according to claim 4, wherein the first and second indices are 2 respectively so that an imaging unit of a camera body attached to the camera side mount is maintained in the vertical direction and the horizontal direction. Alternatively, a precision photo camera shift device provided at four locations. 6. The precision photographic camera shift device according to claim 1, wherein a tripod seat is provided on the second barrel portion. A first barrel portion having a camera-side mount that can be attached to the lens mounting portion of the camera body on the base side;
A lens-side mount capable of attaching a lens of an image circle wider than the imaging unit of the camera body on the front side, a second barrel portion having a diameter larger than that of the first barrel portion;
A light-blocking rotating body fixed to a base side or an intermediate part of the second barrel part, and a tip side or an intermediate part of the first barrel part attached in an eccentric state,
Moreover, the light-shielding rotator is rotatable with respect to the first barrel portion,
A camera shift device for precision photography, wherein a camera body attached to the first barrel portion is fixed and the light-shielding rotating body is rotated to take photographs with different viewpoints. 8. The precision photographic camera shift device according to claim 7, wherein the light-shielding rotating body is attached to the light-shielding member fixed to the second barrel portion and is eccentrically attached to the light-shielding member. A short cylindrical member to which a front side of the cylindrical portion is attached, the short cylindrical member and the light shielding member are integrally formed, and the first cylindrical portion is disposed at a predetermined position outside the short cylindrical member. A camera shift device for precision photography, wherein a first lock screw for fixing is provided. 9. The camera shift device for precision photography according to claim 8, wherein the first barrel portion and the short tube member are provided with a first index indicating a position to be fixed by the first lock screw. A camera shift device for precision photography. 10. The precision photo camera shift device according to claim 9, wherein the first index is provided at two or four locations. A first barrel portion having a camera-side mount that can be attached to a lens mounting portion of the camera body on the base side, and a lens-side mount that can mount a lens of an image circle wider than the imaging portion of the camera body on the front side A second barrel portion having a diameter larger than that of the first barrel portion, and a base portion or an intermediate portion of the second barrel portion, which is rotatably provided. Using a precision photographic camera shift device having a light-shielding rotator attached to the front side or the middle part in an eccentric state and rotatably,
A first step of taking a photograph by installing the light shielding rotating body at a reference angular position of the second barrel portion;
The light shielding rotator is rotated by a predetermined angle from a reference angle position of the second cylinder portion, and the first cylinder portion is rotated by the predetermined angle in a direction opposite to the rotation direction of the light shielding rotator. And a second step of taking a picture by returning the camera body to its original position,
The second step is performed one or more times corresponding to the predetermined angle determined in advance to obtain a plurality of photographs having different viewpoints or viewing angle positions, and the plurality of photographs are combined to form a single photograph. A method of creating a composite photo using a camera shift device for precision photography, characterized in that A first barrel portion having a camera-side mount that can be attached to a lens mounting portion of the camera body on the base side, and a lens-side mount that can mount a lens of an image circle wider than the imaging portion of the camera body on the front side Provided, provided on a second barrel portion having a diameter larger than that of the first barrel portion, and a base side or an intermediate portion of the second barrel portion, or on a front side of the first barrel portion or Using a precision photographic camera shift device having a light-shielding rotator that is rotatably attached to the middle portion in an eccentric state,
A first step of taking a photograph by installing the light-shielding rotator at a reference angular position of the first barrel portion;
A second step of taking a photograph by rotating the light shielding rotating body by a predetermined angle from a reference angle position of the first barrel portion,
The second step is performed one or more times corresponding to the predetermined angle determined in advance to obtain a plurality of photographs with different viewpoints and combine the plurality of photographs to form a single photograph. A method of creating a composite photo using a precision photo camera shift device characterized by the above. 13. The method of creating a composite photo using the precision photo camera shift device according to claim 11, wherein the photo has four photos, and the third photo has the light-shielding rotator as the photomask. The second or fourth photograph is taken at a constant angular position from the reference angular position and the 180 degree position in the second or fourth photograph at a 180 degree position with respect to the reference angular position. A method for creating a composite photo using a camera shift device for precision photography.

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