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Longhorn -75mm 645 Pentax on K20D
Posted by Rupert, 09-26-2009, 09:49 PM Rupert is offline

Curious if anyone else is using the 645 lenses on the K20D or other Digital bodies? I have purchased several of these fine lenses and find them excellent, although a little difficult to use since they are full manual on the K20D. I have the Pentax adapter, a well made device, but a little pricey. Currently, my two favorites are the 75mm F2.8 and the 45-85 F4.5 followed closely by the F4 120mm Macro. Any experience anyone has using any 645 lenses on your K20D or similar body would be appreciated.
I shot this Longhorn using the 75mm + the Tamron 1.4 TC on the K20D and thought it held up fairly well. I have not had a lot of good luck on many lenses with the Tammy TC, but it works pretty good on this lens.
Regards!
Rupert
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09-27-2009, 03:14 PM   #2
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Location: Airdrie, Alberta Canada
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Hi Rupert, that is a nice image of a Longhorn. As for 645 lenses, I don't have any but just recently eyed a 75mm. What is the crop ratio on an APS sensor? BTW, I still do like squirrels.
Heinrich Lohmann is offline  
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