JP3190190U - Simple camera adapter for microscope - Google Patents

Abstract

Provided is a simple camera adapter for a microscope that can be used in any microscope regardless of monocular or binocular, can be easily mounted and aligned, and can be manufactured at low cost.
In order to obtain an observation image of an object, a simple camera adapter for a microscope for attaching a camera to a microscope can be fixed to a lens barrel of an eyepiece of a microscope having a different diameter by a compression means. Unit 20, a camera holding member 50, and a fixing screw 52, and a camera holding unit that can fix the camera body by screwing, a lens barrel connecting unit and a camera holding unit, and a camera height adjusting member 30 and a horizontal adjusting unit 40 and a position adjusting unit that can be positioned. The camera holding unit is provided with a smartphone holding unit 53 that can hold and fix the smartphone.
[Selection] Figure 1

Description

  The present invention relates to a simple camera adapter for a microscope.

  The camera adapter for the microscope connects the microscope and the camera in order to capture the image observed with the microscope, and records and saves the observed image or displays the image on the TV monitor or screen. Can be projected. Depending on the type of microscope or camera, the diameter of the eyepiece or the lens barrel and the shape of the camera lens part are different, so there are various types of microscope camera adapters to match the size. Among these, the microscope camera adapter main body with a built-in lens is inserted into the photographic tube, and the eyepiece is removed and inserted into the lens barrel to take an observation image.

As a microscope camera adapter that has been proposed so far, this patent applicant has applied for a patent document 1 having a cylindrical lens barrel connection portion and a cylindrical body. An L-shaped adapter is disclosed in Patent Document 2. Further, Patent Document 3 proposes an adapter including a microscope fixing cylinder, a base base, and an L-shaped plate.

Utility Model Registration No. 3171985 JP 2002-350740 A Japanese Patent Laid-Open No. 2002-277753

  Since the adapter shown in Patent Document 1 uses a cylindrical lens barrel connecting portion, it can be stably fixed when the diameter of the connecting portion and the microscope barrel is close, but the lens barrel is too thin. In this case, it is difficult to stably fix the lens. On the contrary, when the outer diameter of the lens barrel is larger than the inner diameter of the connecting portion, the adapter cannot be attached.

  The adapter disclosed in Patent Document 2 is intended for a binocular microscope having two eyepieces and cannot be used for a monocular microscope.

  Since the adapter proposed in Patent Document 3 uses a microscope fixing tube as in Patent Document 1, it is necessary that the diameter of the fixing tube is close to the outer diameter of the microscope lens tube in order to attach the adapter. is there.

  The present invention has been made to solve such problems of the prior art, and can be used in any microscope, whether monocular or binocular, and can be easily and accurately mounted and aligned. It is an object to provide a simple camera adapter for a microscope that can be manufactured at low cost. Another object of the present invention is to provide a simple camera adapter for a microscope for using a smartphone type mobile phone as a camera.

  In order to solve the above-mentioned problems, a microscope camera adapter according to the present invention for attaching a camera to a microscope in order to obtain an observation image of an object observed using a microscope is a microscope eyepiece having a different caliber by means of compression means. It comprises a lens barrel connecting portion that can be fixed to the lens barrel, a camera holding portion that can fix the camera body by screwing, and a position adjusting portion that can connect and position the lens barrel connecting portion and the camera holding portion. It is characterized by.

  The position adjusting unit is preferably a member that allows the camera to move in three axial directions orthogonal to each other.

  The present invention may also be characterized in that the camera holding unit is provided with a smartphone holding unit capable of holding and fixing a smartphone. It is preferable that the smartphone holding unit includes a compression piece for applying pressure to the smartphone from at least two directions, and that the compression and the release of the compression can be easily performed.

  The lens barrel connection unit, the camera holding unit, or the position adjustment unit includes a retracting unit for easily moving the camera from a fixed position on the extension line of the lens barrel to a retracted position away from the lens barrel. More preferably. This retracting means can be realized by providing a rotating means in the camera holding part or the lens barrel connecting part.

  The simplified camera adapter for microscopes according to the present invention can be manufactured at low cost by making effective use of existing parts, as well as easy and accurate mounting and positioning, and high camera position stability. Can do. Further, the camera positioned on the camera barrel can be easily retracted from the eyepiece lens field of view by operating the screw. Furthermore, by providing a smartphone holding unit capable of holding and fixing a smartphone in the camera holding unit, the smartphone can be used as a camera and used for microscope observation.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a photograph of the first embodiment of the present invention. In this embodiment, a latch-type lens barrel connecting portion 20, a camera position adjusting portion including a camera height adjusting member 30 and a horizontal adjusting portion 40, a camera holding portion including a camera holding member 50 and a camera fixing screw 52 are provided. Consists of. Since most of these parts can use a commercial item, an adapter can be manufactured cheaply. In this embodiment, a space mount SM-2835 manufactured by Minoura Co., Ltd. was used as the lens barrel connection portion 20. This mount is composed of two curved fingers 22 and 23 which are connected to each other by a hinge 21 so as to be rotatable with respect to each other. A latch 24 attached to the tip of the finger 22 is engaged with a protrusion 27 at the tip of the counterpart finger 23. It can be easily fixed to the object by stopping and rotating the lever 25. Since these fingers 22 and 23 and the latch 24 have a certain degree of flexibility, and the distance between the fingers 22 and 23 can be adjusted by rotating the adjusting screw 28, the microscope barrels having different diameters can be used. But it can be easily handled.

  The camera height adjusting member 30 of the position adjusting unit is formed in an L shape, and a continuous through-hole 31 is formed at the center, so that the lens-tube connecting unit fixing screw 26 is passed through the through-cavity 31 and the lens-tube connecting unit. By screwing into a screw hole (not shown) formed at the end of 20, it can be fixed at a desired position. Thereby, the distance between the eyepiece lens and the camera when the camera is attached can be freely set.

  An enlarged view of the horizontal position adjusting unit 40 and the camera holding member 50 is shown in FIG. As the horizontal position adjustment unit 40, for example, (not shown for public order and morals violation) can be used. The base material 41 and the vertical table 43 are slidably coupled, and the vertical table 43 can be moved in the vertical direction with respect to the base material 41 by rotating the vertical position adjusting screw 42.

  Further, a horizontal table 45 is slidably coupled to the vertical table 43, and the horizontal table 45 can be moved in the horizontal direction with respect to the vertical table 43 by rotating the horizontal position adjusting screw 44.

  A camera holding member 50 is fixed to the horizontal table 45. The camera holding member 50 is fixed to the horizontal table 45 at a fixed distance by fixing portions 57 and 58 at both ends, and a hollow portion 56 is formed between the fixing portions 57 and 58. . A long hole 51 is formed in the camera holding member 50, and a camera fixing screw 52 is provided so as to protrude from the hollow portion 56 through the long hole 51.

  The camera height adjusting member 30 and the base material 41 of the camera position adjusting unit are fixed by a horizontal adjusting unit fixing screw 32. When the camera is mounted, the bottom of the camera is brought into contact with the camera holding member 50 and fixed by rotating the camera fixing screw 52.

  Further, as a feature of the present invention, by attaching the smartphone holding unit 53 to the camera fixing screw 52, it is possible to use not only a digital camera but also a smartphone as a camera. As a member of the smartphone holding part 53, for example, a holder part (not shown for public order and morals violation) can be used. In this smartphone holding part 53, since the holding pieces 54 and 55 are connected so as to be elastically stretchable, the smartphone is installed with the interval between the two holding pieces widened, and when the hands are released, the elasticity of these holding pieces is released. The smartphone is held by force. At present, the camera functions of smartphones have improved, and they are not inferior to ordinary digital cameras, so it is possible to use smartphones for microscopic photography.

  FIG. 3 shows an enlarged view of the lens barrel connecting portion 20 and the camera height adjusting member 30. The camera position adjustment member 30 may be a single L-shaped member, but here is configured to be coupled to the auxiliary piece 33. By rotating the auxiliary piece 33 with respect to the camera position adjusting member 30, when the camera is mounted, the camera is rotated in the vertical direction with respect to the lens barrel (see 3 in FIG. 4) and retracted from the field of view of the eyepiece. Can be made. In addition, by loosening the lens barrel connecting portion fixing screw 26 and rotating the camera position adjusting member 30 with respect to the lens barrel connecting portion 20, it is also possible to retract the camera from the field of view of the shooting gun lens. is there.

  FIG. 4 shows a state in which the smartphone 1 is attached to the simple camera adapter for a microscope according to the present invention and then attached to the microscope. The adapter can be easily attached to the microscope barrel by the latch of the lens barrel connecting portion 20, and the position of the camera height adjusting member 30 with respect to the lens barrel connecting portion 20 can be adjusted by loosening the lens barrel connecting portion fixing screw 26. Can be easily changed. Thereby, the distance between the eyepiece 3 of the microscope and the smartphone 1 can be set. Next, by rotating the vertical position adjusting screw 42 and the horizontal position adjusting screw 44, the positional relationship between the top, bottom, left and right of the smartphone 1 can be easily adjusted.

  In the said Example, although the specific name of the member to be used was mentioned and demonstrated, it cannot be overemphasized that the other member which has the same function can be used.

  The simplified camera adapter for microscopes according to the present invention can be manufactured at low cost by effectively using existing commercially available parts, and is easy to mount and position, and can be applied to any microscope regardless of monocular or binocular. Since it can be used, it is suitable for taking a photomicrograph with a camera. Moreover, it becomes possible to use a smart phone as a camera for microscope photography by adding a smart phone holding | maintenance part.

It is a figure which shows the Example of the simple camera adapter for microscopes by this invention. It is an enlarged view of the part of the horizontal position adjustment part and camera holding member in the Example shown in FIG. It is an enlarged view of the lens-barrel connection part and camera height adjustment member in the Example shown in FIG. It is a figure which shows the use condition which mounted | wore the microscope with the Example shown in FIG.

DESCRIPTION OF SYMBOLS 1 Camera body 2 Microscope 3 Microscope eyepiece lens barrel 20 Lens barrel connection part 21 Hinge 22 Finger 23 Finger 24 Latch 25 Lever 26 Lens barrel connection part fixing screw 27 Projection part 28 Adjustment screw 30 Camera height adjustment member 31 Through cavity 32 Horizontal Adjustment part fixing screw 33 Auxiliary piece 34 Long hole 40 Horizontal adjustment part 41 Base material 42 Vertical position adjustment screw 43 Vertical table 44 Horizontal position adjustment screw 45 Horizontal table 50 Camera holding member 51 Long hole 52 Camera fixing screw 53 Smartphone holding part 54 Holding Piece 55 holding piece 56 hollow part 57 fixing part 58 fixing part

An enlarged view of the horizontal position adjusting unit 40 and the camera holding member 50 is shown in FIG. A commercially available biaxial stage can be used as the horizontal position adjustment unit 40. The base material 41 and the vertical table 43 are slidably coupled, and the vertical table 43 can be moved in the vertical direction with respect to the base material 41 by rotating the vertical position adjusting screw 42.

Further, as a feature of the present invention, by attaching the smartphone holding unit 53 to the camera fixing screw 52, it is possible to use not only a digital camera but also a smartphone as a camera. The members of the smartphone holder 53, can be utilized holder portion of the commercial smartphone holder with a tripod. In this smartphone holding part 53, since the holding pieces 54 and 55 are connected so as to be elastically stretchable, the smartphone is installed with the interval between the two holding pieces widened, and when the hands are released, the elasticity of these holding pieces is released. The smartphone is held by force. At present, the camera functions of smartphones have improved, and they are not inferior to ordinary digital cameras, so it is possible to use smartphones for microscopic photography.

Claims (7)

In a microscope camera adapter for attaching a camera to a microscope to obtain an observation image of an object observed with a microscope, a lens barrel that can be fixed to an eyepiece lens barrel of a microscope having a different diameter by a compression means A simple camera adapter for a microscope, comprising: a connecting portion; a camera holding portion capable of fixing the camera body by screwing; and a position adjusting portion capable of connecting and positioning the lens barrel connecting portion and the camera holding portion. . 2. The microscope according to claim 1, wherein the compression means includes a compression piece that applies compression from at least two directions along the surface of the lens barrel, and is configured to facilitate compression and release of the compression. Simple camera adapter. The simple camera adapter for a microscope according to claim 1 or 2, wherein the position adjusting unit is a member that enables movement of the camera in three axial directions orthogonal to each other. The simplified camera adapter for a microscope according to claim 3, wherein the camera holding unit is provided with a smartphone holding unit capable of holding and fixing a smartphone. 5. The simple microscope for microscope according to claim 4, wherein the smartphone holding unit includes a compression piece for applying pressure to the smartphone from at least two directions, and is configured to facilitate compression and release of the compression. Type camera adapter. The lens barrel connection unit, the camera holding unit, or the position adjustment unit includes a retracting unit for easily moving the camera from a fixed position on the extension line of the lens barrel to a retracted position away from the lens barrel. The simple camera adapter for a microscope according to any one of claims 1 to 5, wherein: The simplified camera adapter for a microscope according to claim 6, wherein the retracting means is a rotating means provided in the camera holding part or the lens barrel connecting part.