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Re: Sigma 70-200mm f/2.8, how many variations?
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Re: Sigma 70-200mm f/2.8, how many variations?
I'm not sure I fully understand about the different versions, but "Let's Go Digital" does discuss two Sigma 70-200mm lenses, one with HSM and one without. The one with HSM appears to have tripod collar "TS-41" (with the longer mount and "finger grooves") and the one without appears to have the "TS-21" tripod collar, which…
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