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01-11-2013, 01:27 AM   #1
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Pentax K mount to Canon Mark II

I have a neice with a Mark II camera. He got some pentaxlenses with K-mount for free from a friend. I told him to buy this adapter

for Pentax Pk K lens to Canon EOS adapter 40D 50D 5D 5D II 550D 500D 7D 5D UK | eBay

But that did not work with Mark II. He get half pictures because the mirror get stuck. I wonder if anyone has bought an adapter from eBay that works with Mark II and can provide me with a link to that auction?

He could use the lenses with his Canon 550 and was very thrilled with the result of these old Pentax M lenses

01-11-2013, 02:01 AM   #2
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I think you need to remove the aperture level on the K-mount lenses. There are some threads on the forum about this if you do a search

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01-11-2013, 03:11 AM   #3
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Found this istruction so if he do like this I guess it would work?

How to modify K-Mount lenses to fit a full-frame Canon camera

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