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Sony introduces the A7r II full frame 42.4 megapixel BSI sensor
Sony has announced the A7r Mark II, a system camera with a full frame 42.4 Megapixel BSI-CMOS sensor, 5-axis in-body stabilization, 4k video and a new autofocus system.
The long-awaited sequel to the announced in October 2013 A7r is equipped with a new 42.4-megapixel sensor. The resolution jump, from 36 to 42 megapixels, is not the most eye-catching, but the sensor design. It is the first full frame backlight illuminated sensor, which according to Sony, the sensitivity improves. The BSI technology is mainly used in smartphones and compact cameras with smaller sensors. The biggest BSI sensor to date was that of the Samsung NX500 and NX1. The sensitivity of the sensor is going to A7r II iso 102,400 in both photo and video mode.
Furthermore, the camera has taken over the body design of the A7 II, with a slightly better grip and improved button layout. The 5-axis in-body stabilization is taken from the A7 II and works with all lenses.
The autofocus system, until now the Achilles heel of the A7 series, has also been significantly overhauled. The A7r II is equipped with 399 phase-detection auto focus points on the sensor that occupy horizontally and 60% vertically of the picture. According to Sony, the camera could therefore easily be able to track fast-moving objects.
Thanks electonische first curtain- shutter camera would be 50% quieter than its predecessor. In addition, there is also a full-silent mode, on the basis of a complete electronic shutter. The burst rate is 5 fps and the shutter would last 500,000 cycles.
The camera can record 4K video, both internally and externally. It uses the XAVC-S codec and there is also support for the Picture Profile, S Log2 Gamma and S-Gamut. The electronic viewfinder is optically enhanced and now offers a 0,78x magnification.
The camera is expected in August in the market for a price of $ 3,200. A euro price is not yet known.Viewing:-92
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