Tamron SP 150-600mm F/5-6.3 Di VC USD announced

Tamron SP 150-600mm F 5-6.3 Di VC USD

Tamron has announced the development of a 150-600mm F5-6.3 zoom lens for full-frame and APS-C sensor cameras. It will feature 20 elements in 13 groups and have a minimum focus distance of 2.7m. Tamron will also include VC (Vibration Compensation) image stabilization and USD (Ultrasonic Silent Drive) technologies. The lens will be developed for Canon, Nikon, and Sony mounts. Pricing and availability are still to be announced.

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Sigma rumored to make their USB dock compatible with older lenses

Sigma USB Dock

According to Photo rumors, Sigma is working on making their USB Dock compatible with their old lenses with a new firmware update. No sure yet this come to all Sigma lenses or just some of old lenses.

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Pentax Limited 20-40mm F2.8-4 zoom and Pentax-08 Wide Zoom announced

pentax-wide-zoom

Pentax just announced two new lenses: HD PENTAX-DA 20-40mm F2.8-4 ED Limited DC WR and Pentax 08 Q-mount ultra-wide-angle zoom.
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Nikon Df Vs. Sony A7 / A7R Vs. Nikon D800 Specs, Size Comparison

Nikon-Df-Vs-Nikon-D800-Vs-Sony-A7r

Nikon has just announced the Nikon Df retro full frame camera. Here is the specs and size comparison of Nikon Df and Sony A7/A7R, Nikon D800.
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