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Sigma 18-35mm f/1.8 DC HSM Lens Focus Calibration

December 8, 2013 By Eric Reagan

Sigma 18-35mm

I received the new Sigma 18-35mm f/1.8 lens this week for testing. I pulled it out of the box a couple days ago and was immediately disappointed with the front focusing. It was way off at 18mm and a little off at 24mm and 35mm. [Read more…]

Filed Under: Lenses, Sigma Tagged With: af, calibration, lens, Sigma, USB dock

 

Sigma USB Dock for Nikon Lenses Now In Stock

August 29, 2013 By Eric Reagan

Sigma Lenses at CES 2013-8

The new Sigma USB dock is now shipping for Nikon mount lenses. As you may recall, the USB dock allows you to update firmware for all of the lenses whenever Sigma releases upgrades. On the ‘A’ and ‘C’ series lenses, the USB dock gives you additional functionality of modifying the focus speed of the lenses. Check it out here at B&H Photo.

Filed Under: Sigma Tagged With: dslr, Nikon, Sigma, USB dock

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