Sigma 400mm f/5.6 APO D Macro Tele Autofocus Lens for Nikon, Black {77} at KEH Camera
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Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens 729955 B&H
Amazon.com : Sigma 100-400mm f/5-6.3 DG OS HSM Lens for Nikon F, Bundle with ProOptic 67mm Filter Kit, Lens Wrap, Flex Lens Shade, Cleaning Kit, Lens Cap Tether, PC Software Kit :
Am I hearing things? Today I recv'd this Sigma 120-400mm 1:4.5-5.6 APO DG OS HSM lens with a Nikon mount. When in AF mode I can hear what I think are gears
Amazon.com : Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens for Nikon F : Electronics
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Sigma 100-400mm f/5-6.3 Contemporary DG OS HSM for Nikon F by Sigma at B&C Camera
Sigma AF 400mm f/5.6 APO (1988-1995) / Test and Sample Images