nikon 80-200 f 2.8 or sigma 70-200 f2.8

Started Nov 15, 2012 | Questions thread
dwa1
Senior MemberPosts: 2,038
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Sigma's "VR" is "OS".
In reply to Windancer, Nov 15, 2012

Terry, Sigma calls their VR "OS". HSM refers to their hypersonic motor.
Wayne

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