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08-17-2017, 10:01 AM - 1 Like   #1
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Diagram found for M42 Chinon multi coated 35mm f/2.8

Hi all,

A while ago I bought a Chinon lens from eBay because I wanted a 35mm focal length and it was cheap. Turned out to be really good, sharp wide open and very sharp as soon as I started stopping down, and bokeh was lovely at all apertures due to a pretty round 5 blades. I sold it because I prefer 50mm and all my 50s are much smaller anyway, even big ones like the f/1.4 Takumar / Pentax-M. I also managed to get more than I paid for it originally.

Anyway, I was recently browsing eBay mindlessly and in the background of a listing, it was a Spotmatic or something, was a catalogue of this line of Chinon lenses and when I asked the seller nicely they sent me the page with this lens on, complete with the diagram, which I have attached.

I have a few questions however as I do not know much about lens design, however after searching through a lot of designs I think this looks more similar to the Carl Zeiss Flektogon 35mm f/2.4 than any other 35mm I can find, which might explain why it's such a fantastic lens (the Zeiss is well considered I think). Then again I also think it looks like the Pentax-M 35mm 2.8. Could someone help me out?

I saw another one for sale recently so couldn't help myself buying it to see what it's like again. It is very large although after shooting more I think I'm becoming more comfortable with the 35mm focal length (not any wider though, even 28mm I hate). When your 50mm fits in your pocket but your 35mm doesn't, it's inevitable which is going to be used more in my opinion anyway, hence why I think rangefinders and compact cameras are better for shooting 35mm and wider anyway.

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35mm, 50mm, carl zeiss, chinon, diagram, ebay, flektogon, k-mount, length, lens, m42 chinon multi, multi coated 35mm, pentax, pentax lens, pentax-m, slr lens, zeiss
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