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  1. #17
    Join Date
    Feb 2006
    Des Plaines, IL

    Red face M.F.D. may be involved

    Like I said ... it is the real punch for having the TAMRON ... clearly, it's not perfect, but it is darn good!

    There also might have been a little bit of back-focusing involved, because I was really close to its M.F.D. ... which can trip a lens up. The camera may "approve" a shot, even though the focus is a little off. The PRIME is good down to 8-inches, where the 17-50 is around 18-inches. I will conduct other analysis, as time permits ... but the thrust of this was that the PRIME is really good ... and obviously, would be a clear asset on the α900.
    Last edited by DonSchap; 06-04-2009 at 11:40 AM.
    Don Schap - BFA, Digital Photography
    A Photographer Is Forever
    Look, I did not create the optical laws of the Universe ... I simply learned to deal with them.
    Remember: It is usually the GLASS, not the camera (except for moving to Full Frame), that gives you the most improvement in your photography.

    flickr & Sdi

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