Sigma 120-400 OS users

Started Oct 12, 2012 | Discussions thread
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monographix
monographix OP Regular Member • Posts: 481
Re: Sigma 120-400 OS users

BPB wrote:

All of the information about this lens can be found in the link below,

http://www.sigma-imaging-uk.com/pdfs/lens_manuals/Instruction%20Manual%20-%20728.pdf

Cheers,

Bryan (BPB)

Thanks

i was interested in user's experience as it differentiates from the official specs especially when it comes to third party. For example my (newly purchased used) copy is as unsharp @ f/8 as it is @ f/5,6 and gets sharper @ f/11-f/16 And other people dont use OS over 1/500s others use Mode2 and others Mode1 , so far though none of them can justify their choices with visible constant results .

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