Modern Classic SLRs Series :
Canon F-1 - Photo-Micrography



The expansion of possibilities in close-up photography and macrophotography isj of course, effective in creating new photographic interests in people because of their usefulness in recording observation of various phonomena and because of the attractive compositions obtainable and the colorful potentials they have. Particularly closeups delight photographers because of their characteristic value in revealing the secrets and wonders of nature which are usually beyond the sight of people. But, the maximum photographic magnification possible in general macrophotography is 10:1, because there are difficulties beyond that ratio due to limitations in performance of the equipment or because suitable photographic materials are not available.

To satisfy the needs for higher magnification in observation photography, the easiest and most reasonable approach is to use the microscope, which enables to magnify even 2,000 times the actual size of objects, in combination with photographic equipment. As a matter of fact, photomicrography has been the object of research for a long time and many optical systems with various illumination devices, as well as exclusive photographic accessories, have been developed. On the other hand, many conventional cameras including the Canon SLR cameras have also been applied to photomicrography. Canon has provided two types of connection hood to facilitate photomicrography. One is the Photomicro Unit F for which the camera section is fixed in position, and the other is a Macrophoto Hood designed so that the position of the camera may be adjusted. It is used together with the bellows and copy stands so that magnification may be changed.
Canon Photomicro Unit F The unit has a hood to connect the camera bod
to a microscope and it is convenient to use as handy accessory in photomicrography with a fixe' camera distance. The unit is applicable to am microscope, biological as well as metallographical whose sleeve has an outside diameter of 25mm with or without eyepiece. The Photomicro Unit F consists of four parts: an outer and an inner hooc tube, a light-shielding tube for the eyepiece sleev.E and a clamp ring for mounting.

Technical Data Applicable microscope: General and metallographical microscopes with a 25mm outside diameter sleeve. Camera distance (1): 108.4mm (4-5/16"). Distance between the main point of the eyepiece and the position of film. Photograph magnification: Approximately 1/2 of the microscope's magnification Size: 107.5 x 59mm (4-1/4" x 2-5/16"). Weight: Approx. 32Ogr. (11 oz.).

Mounting/ Operations

1. Release the screw that fastens the hood andremove the inner tube from the outer tube. 2.Remove the microscope eyepiece, then fit the inner tube and fix it by turning the knob. 3. Insert the eyepiece into the inner tube. 4. Put the outer tube over the inner tube and fasten with the knob. 5. Mount the camera with the outer tube bayonet following the same procedure as for mounting the lens. 6. Just insert the light-shielding tube into the inner tube instead of the eyepiece when it is not being applied.

Canon FD Macro LENSES: See here

Good Resources preprared by Christian Rollinger:
Canon FD 50mm f/3.5 MACRO (1981/2)
Canon FD 100mm MACRO (1979)
Canon FDn lenses catalogue (1981/2)
Canon FD 1,4X Extender (1982)
Canon FD 2A/2B Extender (1980)
Canon Macrophoto Adaptor Manual (1980)
Canon FD Extension Tube M Manual
Canon Auto Bellow Unit Manual

Canon Macro Photography Guide
Canon Slide Duplicator Manual (1983)
Canon Angle Finder User's Manual

Concept | Reliability Issue | Motor Drive Units | Macro | EE Servo / Booster Finder | Bulk Film Back | CAT (Flash System | F1 High Speed | ODF-1 | Placid | Assembling Diaphragm | Canon FD & FDn lenses

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