News Industry News Sony SLT-α55V and SLT-α33
Sony SLT-α55V and SLT-α33
Powered by Translucent Mirror Technology
SAN DIEGO, August 23, 2010 –Sony today introduced two new α cameras (models SLT-A55V and SLT-A33) that adopt Sony’s newly-developed Translucent Mirror Technology™, which achieves the highest-level of auto focus speed for both still image and movie shooting.
Translucent Mirror Technology™ provides performance previously unattainable with traditional DSLR technology. Using the new technology, theα55 andα33 models can continuously and quickly focus (with TTL phase-detection) while shooting stills and recording video—even in full HD, allowing desired moments to be captured in tack sharp focus, high-definition video. They can shoot continuously at up to 10 frames per second on theα55 (and up to seven on theα33), achieving shooting speeds that are the fastest in the industry for an APS-C size sensor-equipped interchangeable lens cameras under $1000.
“This is the most innovative Interchangeable Lens Digital Camera that Sony has ever created,” said Kristen Elder, director of the digital imaging business group. “Our Translucent Mirror Technology is one of the most significant SLR structural changes in more than a decade.”
By displaying the images received by the Exmor™ APS HD CMOS Sensor, picture quality of the camera’s live view image has enhanced drastically. Coupled with the quick and accurate phase detect AF and 100 percent coverage Tru-Finder™ electronic viewfinder, the Quick AF Live View feature has been further advanced.
Translucent Mirror Technology
Both cameras are equipped with a translucent mirror, which enables light passing through the lens to be simultaneously received by the image sensor and the auto focus sensor, allowing continuous shooting and continuous focusing at speeds never before possible. The α55 offers the world's fastest 10 fps high-speed burst shooting with continuous AF (TTL phase-detection) in an interchangeable-lens digital camera with APS-C sensor.
Because of its structure, the Translucent Mirror Technology™ does away with the motion of raising and lowering the mirror. The absence of the moving mirror mechanism contributes to making the whole body size significantly compact compared to traditional DSLR cameras.
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