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*John Kovarik* · 01-10-2009, 02:46 PM

I do not think those Sigma lenses are actually 'HSM' in the PTX mount - if this is important to you, you should check...............

01-10-2009, 02:46 PM	#4
John Kovarik Site Supporter Location: West Virginia Gallery Photos: 0 Posts: 335	I do not think those Sigma lenses are actually 'HSM' in the PTX mount - if this is important to you, you should check...............