Yashica Super Yashinon-R f/3.5 13.5cm Telephoto Lens

Nice little addition to our Pentamatic family of lenses. Purchased in Japan and was with an early model Pentamatic’35’ set in “well used” but stable working condition. It came with the original Yashica brown leather case, unbranded plastic rear lens cap, Yashica front metal 52mm push-on lens cap, unbranded lens hood, and a very nice looking Walz chrome metal and glass Skylight C. (cloudy) 52mm filter.

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Pentamatic bayonet mount 13.5cm short telephoto lens… f/3.5 with rather low serial number. Early Yashica lenses were often given a serial number that starts with the focal length of the lens. In this example, ‘135 0722’ shows it to be a 135mm lens with a sequential production number of 722. Best guess is that this lens was made in early to mid-1960. We have another Super Yashinon-R 13.5cm lens with a serial number of ‘135 0927’.

The above image shows the lens partially disassembled for cleaning and inspection. No fungus or mold, but I’ve found some funky streaks on the face of the first removable lens element (large lens element to the right).

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The chrome nose removed.

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The main lens group removed. If you look closely, you may see the funky streaks across the face of the lens.

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Aperture blades set at f/ 22. No oil and no problems (looking into the lens barrel from the front of the lens). Note the 12 aperture blades.

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Here is a similar lens with the 12 blades that was for sale recently. The seller identified the lens as having been made by Kyoei Optical Co., Ltd.¬† using the brand name “Acall” Kyoei was also abbreviated as “KOC” which may be the reason for the red “K.C.”

New info as of Feb 5, 2020 – At first, I guessed that my lens was made by Tomioka Optical as they were responsible for most of Yashica’s lenses. A reader has pointed out the similarities between my lens and the design of the Acall lenses with both¬† Pentamatic and M42 mounts. I must say that I agree with them upon further review. Thank you for your input!

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Partially assembled body. Nice clear markings and solid-looking bayonet mount.

These first Pentamatic lenses were pre-set and not automatic and were the kings of the heavyweight division. Lots of metal and glass here! When properly stored they were not prone to fungus… but almost all classic lenses will have some sort of mold, dust or fungal issues when left in the dark and in their leather cases.

Thanks for the visit!

Chris and Carol

You’re invited to visit our online store at https://www.ccstudio2380.com for some great vintage and collectible cameras, lenses, and accessories.