new Sigma 200-500 f/2.8 EX DG

Started Mar 8, 2007 | Discussions thread
nuudles Regular Member • Posts: 252
focus

this thing HAS to have HSM, how can you expect it to focus with the screw-drive focus from the camera body, otherwise it whould only work on the D2X/H, what do you think? You would strip your poor D50/70(s) 80/200 's autofocus motor if it had to focus this lens?? But then agian, if you view the photo of the lens where you can see the mount it looks like it has a screw-drive focus coupling, i dunno, just guessing

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