Fast Glass from Canon & Yashica

A couple of true heavyweights from Canon and Yashica-Tomioka.


Canon F-1 from 1978 and the Yashica TL Electro X ITS from 1973

The Canon FD 55mm f 1.2 lens is from 1972 which makes it a rather early FD lens. It lacks the S.C. or S.S.C. markings indicating that it’s not coated or at least the marketing people decided not to promote that feature. The Tomioka Optical made lens is an Auto Yashinon 55mm f 1.2 model from very early in the production run. Its serial number puts it about 1968 and it was the 769th made.


The Canon lens weighs 551 grams vs the Yashica’s 332 grams.

There’s a big difference in weight between the two lenses yet they are both equals in maximum aperture. The Canon takes a 58mm filter and the Yashica uses a 55mm filter.

I hope to be able to do a side by side test of these two lenses using Fotodiox adapters on my Fujifilm X-Series mirrorless digital camera. Stay tuned and thanks for stopping by! – Chris

Studio Camera: Fujifilm X-A10

Please respect that all content, including photos and text, are the property of this blog and its owner, Yashica Pentamatic Fanatic, Yashica Sailor Boy, Yashica Chris.

Copyright © 2015-2019 Yashica Pentamatic Fanatic, Chris Whelan
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