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TopCon Tokyo Kogaku UV Topcor 1:4 f=135mm Camera Tele Lens Made Japan 11023733
$105.00
$136.5
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Product Details
Description
Specifications
Care Guide
TopCon Tokyo Kogaku UV Topcor 1:4 f=135mm Camera Tele Lens Made Japan 11023733 Pre-owned in great condition with minimal wear. The UV mount lenses from Tōkyō Kōgaku were produced from the 1960's specifically for the Topcon Wink Mirror S and Topcon 100 Auto/Uni, and further used by the Unirex and the 1970s IC-1 Auto. These unique lens designs do not have an aperture setting ring, as this is found on the camera body. The maximum aperture of the lens is dialed-in to a camera body mounted control when the lens is first fitted. This sets a maximum aperture parameter for the camera's exposure system. All Topcor UV lenses have a common minimum aperture of f/22. UV stands for Ultra Violet, as the lenses had a UV coating, and did not need a separate UV filter. Later variants of standard lenses where marked Hi Topcor. It appears that the standard lenses all had six elements. It comes with lens, back cover & carrying pouch. Please refer to the pictures. What you see is what you get.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.