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In a brief note on its Japanese website, Sigma has announced that the Sony and Pentax mount versions of its highly-regarded 35mm F1.4 DG HSM 'Art' lens will go on sale on 31st May. It's also announced that the Nikon-mount version of its 120-300mm F2.8 DG OS HSM 'Sports' telephoto zoom will be available at the same time. We gave the 35mm F1.4 our Gold Award when we reviewed it back in December, for its combination of exceptionally good optics and solid build at a price rather lower than the camera manufacturers' equivalents.
Canon has patented a color-sensitive multi-layered sensor design, showing the company is still pursuing the technology. Like Sigma's Foveon chips, the multi-layered design allows each of the sensor's pixels to capture color information without the need for colored filters. The patent, discovered by the Japanese Engineering Accomplishment blog, suggests a system to promote resonance within the sensor, in an attempt to make the lower layers of the sensor more sensitive. (from Egami blog)
If you've never had the chance to stand in the front row and shoot a live concert, Montreal-based photographer Pierre Bourgault has the next best thing. He attached a GoPro camera to the top of his Canon DSLR and recorded a seven-minute video of his shooting experience at a Dead to Me concert. He then overlaid the actual photos taken at the show, which you can view after the break.