On 12/4/2012 7:08 AM, J.C. O'Connell wrote:
I have a mint copy of the smc pentax k 50mm/1.2 lens.
I have no problem focusing it with my split image screen
in my istDS. Since DOF wide open is so narrow though, I
usually stop it down a little so that may be covering
some tolerance errors...Seems to me that you need an accurate
focus screen to manual focus all your lenses, not just fast
normals.

Indeed. I agree. That's why A 50/1.2 is the only manual focus lens I have. I hope to revert that trend with the arrival of Ricoh GXR M-module and K-mount adapter...


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