JP2016092797A - Imaging apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an imaging apparatus equipped with a large monitor which ensures a space for operating an imaging lens.SOLUTION: A display panel 402 is disposed in parallel with an optical axis and horizontally, and a reflection mirror 401 is disposed at an angle of approximately 45° with respect to the surface of the display panel 402, an operation dial 309 being disposed under the reflection mirror 401 disposed obliquely. Consequently, even when an electronic view finder 103 is moved with respect to an imaging apparatus body 102, operations on lens ring zoom 104 and lens ring focus 105 are not hindered.SELECTED DRAWING: Figure 4

Description

  The present invention relates to an imaging apparatus.

  2. Description of the Related Art Conventionally, video cameras used for business use are equipped with an electronic viewfinder for projecting images taken on the camera body. The electronic viewfinder uses a reflecting mirror to reflect the image projected on the display unit arranged inside the electronic viewfinder and to view the image, or to place a monitor parallel to the subject. There is something that zooms in on a lens and sees the image. These electronic viewfinders are provided with operation knobs for operating display color, contrast, and the like, and with operation knobs on the subject lens side in the optical axis direction of the imaging lens.

  The conventional electronic viewfinder for business use is attached to the main body of the imaging device so that it can be moved back and forth, left and right, and up and down, and the electronic viewfinder can be moved according to the position of the photographer's eyes. (See Patent Document 1).

JP2011-87255A

However, in Patent Document 1, when the display monitor is enlarged, an electronic viewfinder 501 is disposed on the side surface of the photographing lens 502 as shown in FIG. For this reason, when the operation is performed from the side face of the electronic viewfinder, there is a problem that the operation of the photographing lens 502 is hindered.

  In order to solve the above problems, the present invention provides an imaging apparatus including a main body having a lens and a finder that is movably attached to the main body. The finder includes a display panel, and the display. A reflection mirror for bending a light beam emitted from the panel and a monitor operation unit; the display monitor is disposed parallel to and horizontally with respect to the optical axis of the finder lens; and the reflection mirror is approximately 45 ° with respect to the display panel. The operation unit is disposed at an inclination and on the back surface of the reflection mirror.

  Another feature of the present invention is that an operation board is arranged in the electronic viewfinder, and the operation board is arranged perpendicular to the display panel.

  Another feature of the present invention is that the operation board mounted on the electronic viewfinder is smaller than the reflection mirror.

  According to the imaging apparatus of the present invention, in a finder having a structure in which an optical path is bent using a reflection mirror, the display monitor is arranged parallel to the optical axis and horizontally, and the reflection mirror is inclined by about 45 ° with respect to the surface. A display monitor operation knob is disposed on the back surface and the lower side of the reflection mirror. This makes it possible to secure a space for operating the photographing lens.

1 is an overall view of an imaging apparatus according to an embodiment of the present invention. 1 is a block diagram of an image pickup apparatus according to an embodiment of the present invention. 1 is a finder perspective view of an imaging apparatus according to an embodiment of the present invention. Sectional drawing of a finder. FIG.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

<First Embodiment>
In FIG. 1, reference numeral 100 denotes the entire imaging apparatus, which is front, rear, left, right, up and down as indicated by arrows in the figure. Reference numeral 101 denotes an imaging apparatus main body, in which an MAIN board for performing information processing and an interface for connecting to other devices are arranged. Further, the imaging apparatus main body 101 is provided with a mount part to which the imaging lens 102 can be exchangeably attached, and photography can be performed by exchanging the lens.

  Reference numeral 103 denotes an electronic viewfinder, in which a display monitor for projecting an image taken by the imaging device is arranged. The image pickup apparatus body 101 is detachably connected to the image pickup apparatus body 101 and is attached to the image pickup apparatus body 101 via a rotatable hinge (not shown). The imaging lens 102 is provided with a lens ring 104 and a lens ring 105. The lens ring 104 can be zoomed by rotating the ring, and the lens ring 105 can be focused by rotating the ring.

  Next, FIG. 2 is a block diagram illustrating a configuration example of the imaging apparatus 100 according to the present embodiment. In FIG. 2, 201 is a photographic lens configured to be detachable from the main body, and 202 is an imaging unit composed of a CCD, a CMOS element, or the like that converts an optical image into an electrical signal. An A / D converter 203 converts an analog signal into a digital signal. The A / D converter 203 is used to convert an analog signal output from the imaging unit 202 into a digital signal.

  Output data from the A / D converter 203 is directly written into the memory 205 via the memory control unit 204. The memory 205 stores image data obtained by the imaging unit 202 and converted into digital data by the A / D converter 203, and image data to be displayed on the display unit 206. The memory 205 has a storage capacity sufficient to store a predetermined number of still images, a moving image and audio for a predetermined time.

  The memory 205 also serves as an image display memory (video memory). The display unit 206 performs display on an EVF display. Reference numeral 207 denotes an operation unit for switching the display unit setting, and the setting of the display unit can be adjusted. A system control unit 208 controls the entire imaging apparatus 100. The recording medium 209 is a recording medium such as a memory card, and includes a semiconductor memory, a magnetic disk, or the like.

Reference numeral 210 denotes a power control unit, which includes a battery detection circuit, a DC-DC converter, a switch circuit that switches a block to be energized, and the like, and detects whether or not a battery is installed, the type of battery, and the remaining battery level. Further, the power control unit 210 controls the DC-DC converter based on the detection result and an instruction from the system control unit 208, and supplies a necessary voltage to each unit for a necessary period.
Reference numeral 211 denotes a power supply unit, which includes a primary battery such as an alkaline battery or a lithium battery, a secondary battery such as a NiCd battery, a NiMH battery, or a Li battery, an AC adapter, or the like.

  Next, the detailed shape of the electronic viewfinder 103 will be described with reference to FIG. Reference numeral 301 shown in FIG. 3A denotes a mirror box, which has a reflecting mirror fixed to a surface formed inside. Further, it is connected to the image pickup apparatus main body 101 by a rotary hinge so as to be rotatable.

  Next, a first hinge 302 and a second hinge 303 are mounted on the mirror box 301. The first hinge is connected to the mirror box 301 and a 304 display unit that displays a captured image. The display unit 304 is connected by a biaxial hinge, and the display unit 304 can be opened and closed and rotated left and right. The first hinge 302 is attached to the long side of the display unit 304 substantially in parallel.

  Next, reference numeral 303 denotes a second hinge, which connects the mirror box 301 and the finder lens barrel 305 with a single-axis hinge so that the finder lens barrel 305 can be opened and closed. Further, the first hinge 302 and the second hinge 303 are arranged in parallel with the display unit 304 interposed therebetween. The finder lens barrel 305 holds a finder lens 306, and an eye cup 307 is attached to the tip. A lock knob 308 can regulate the operation of the display unit 304. FIG. 3 (b) 309 is an operation dial, which can adjust the brightness and color of the image displayed on the viewfinder display.

  Next, the internal structure of the electronic viewfinder 103 will be described with reference to FIG. FIG. 4A shows a view of the imaging apparatus 100 as viewed from the side. FIG. 4B is a cross-sectional view in which the portion A shown in FIG. 4A is enlarged and further cut along the optical axis of the finder lens 306. A display panel 402 is disposed on the display unit 304. The display panel is arranged in parallel and horizontally with the optical axis of the electronic viewfinder. On the other hand, the reflection mirror 401 is arranged in a state inclined by about 45 °. The reflection mirror 401 reflects the image reflected on the display panel 402 and bends the optical path.

  A mirror holder 403 for holding the reflection mirror 401 is fixed to the mirror box 301 and can receive a force when the central portion of the reflection mirror 401 is pushed from the outside. The reflection mirror holder also serves to fix the operation dial substrate 404 on which the operation dial 309 is mounted. The operation dial substrate 404 is disposed perpendicular to the display panel 402, and the operation dial substrate 404 is smaller than the reflection mirror 401. The operation dial 309 is disposed on the back surface of the reflection mirror 401 and below the electronic viewfinder 103.

  Further, since the reflection mirror holder 403 has an arm extended from a fixed position of the operation dial substrate 404 and a receiving portion for the reflection mirror is arranged, even if a force is applied to the operation dial 309, the reflection mirror holder 403 is directly attached to the reflection mirror 401. It has a structure that does not apply force.

  Next, a region B indicated by a broken line in FIG. 4B is a space formed by arranging the reflection mirrors obliquely. This space prevents the electronic viewfinder from interfering with the operation of the lens ring.

  As described above, the display panel is arranged parallel and horizontally to the optical axis of the finder, and in the finder device in which the reflection mirror is arranged at an angle of about 45 °, the reflection mirror is arranged obliquely. Due to the created space (B region), the lens ring operation is not hindered even if the position of the finder is moved to the optimum position used by the user.

100 overall imaging device, 101 imaging device body, 102 imaging lens,
103 Electronic viewfinder, 104 Lens ring zoom,
105 lens ring focus, 301 mirror box, 302 first hinge,
303 second hinge, 304 display unit, 305 finder lens barrel,
306 Viewfinder lens, 307 Eye cup, 308 Lock knob,
309 operation dial, 401 reflecting mirror, 402 display panel,
403 Mirror holder, 404 Operation dial board

Claims (3)

In an imaging apparatus having a main body having a lens and a finder that is movably attached to the main body, the finder includes a display panel, a reflection mirror that bends light emitted from the display panel, and a monitor operation unit. The display monitor is disposed parallel to and horizontally with respect to the optical axis of the finder lens, the reflection mirror is disposed at an angle of 45 ° with respect to the display panel, and an operation unit is provided on the back of the reflection mirror. An imaging device characterized by being arranged. The imaging apparatus according to claim 1, wherein an operation board is arranged in the electronic viewfinder, and the operation board is arranged perpendicular to the display panel. The imaging apparatus according to claim 1, wherein the operation board mounted on the electronic viewfinder is smaller than the reflection mirror.