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05-09-2013, 09:41 PM   #1
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Chinon 1.7 50mm SLR

I just bought an older Chinon SLR with a 50mm f/1.7 lens today off a local community online buy and sell type page. I paid $10 for it and am quite excited about the lens. I have a Canon DSLR I only have the kit lens and a prime lens is not in the budget right now. I was wondering if anybody could tell me about how this lens performs. Also are there adapters that I could possibly put it on my Canon?
BTW I am new to this site, I googled the camera.

05-09-2013, 11:04 PM   #2
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Hello and welcome. I don’t know anything personally about the camera or lens, but this may be of help to you.

Chinon Auto MC 50mm f/1.7 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database
05-09-2013, 11:20 PM   #3
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Its a very nice lens with great sharpness and contrast. Produces very rich color images even at wide open. I love it and use it most of the time.
05-10-2013, 08:19 AM   #4
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The lens probably has a Pentax K bayonet mount. Compare it to mount photos on this site to be sure. You can buy adapters on eBay to use these lenses on a Canon, just search for EOS to K mount adapters. The adapters often have a chip on them to tell the camera that a lens is mounted and enable the camera's AF sensors to work. The Canon mount is all electronic and it expects an all-electronic lens, so this chip is needed to help fool the camera.

You will have to focus and set the aperature manually on the lens. I believe Canon users have to guess at this; there's no way to use the camera's meter to measure light. Guessing is not that hard on digital. Just take a shot, then adjust aperature, shutter speed and ISO until the exposure histogram looks good.

Canon "full-frame" DSLRs like the 5D or 6D can have trouble with some K-mount lenses, because the K-mount needs mechanical parts to control the aperture and the Canon mount doesn't have room for them. Canons with smaller sensors like the Rebel series, 7D, and 20D-60D usually don't have any troubles, but Canon doesn't exactly test every combination of old K-mount lenses and new DSLRs.


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