Sony unveils new translucent mirror Alpha cameras
As light from the lens hits the translucent mirror, it is split between the autofocus and image sensors
Article Summary
If you've suffered a missed photo opportunity due to the short time your digital SLR takes to get its mirror out of the way, then Sony reckons it has the answer. The mirror inside the new α33 and α55 digital cameras doesn't move out of the way at all, it's just semi-transparent and simply allows the light from the lens through to the CMOS sensor while also redirecting some to the camera's autofocus sensor. Whether shooting stills or high definition video, Sony says that its new technology allows for simultaneous image capture and fast, accurate autofocus.
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