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02-15-2011, 06:25 PM   #1
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Yashica AF 50mm f/1.8 on Pentax K-r

Hi all,

I've just run across the title lens at a really good price and wondering if it will actually be usable on a Pentax K-r.

Any feedback would be appreciated!

Thanks in advance!

02-15-2011, 06:45 PM   #2
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Please do not take this as definitive but from what I can tell Yashica made lenses in M42 mount and in C/Y mount.

If the lens you are looking at is M42 it might work on the k-r with an M42 - K mount adapter. I do not believe the C/Y (Contax/Yashica) mount will work on any Pentax which is K mount.
02-15-2011, 07:34 PM   #3
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I use a Yashica 50mm f2 ML on my kx. I replaced the Yashica/Contax mount with a Pentax one from an old broken lens, since the Yashica mount will not fit on Pentax. The lens focuses to infinity perfectly. The lens is very sharp, even wide open. I only converted the lens to Pentax since i had a spare Pentax mount and was able to get the Yashica lens for $2. It was an interesting experiment, but I never use this lens since I have other 50mm lenses that are made for Pentax mount and are easier to use, even though they may not be as good optically.
02-17-2011, 05:21 AM   #4
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Thanks!

02-06-2012, 08:09 PM   #5
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The Yashica AF 50mm lens is for the autofocus Yashica cameras, so it won't work on a pentax, sorry. It is not m42 mount.
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