At CP+ Show 2015, Sigma shows off their new announced Sigma 24mm f/1.4 DG HSM Art lens. dpreview has a chance to shoot with this new lens, and posted some sample images of Sony A7R with Sigma 24mm f/1.4 DG HSM Art lens.
The price of this lens is $849 in US, you can pre-order at B&H Photo Video and Adorama.com.
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