Sony introduces the A7r II 42.4-megapixel full-frame sensor BSI




Sony has announced A7r Mark II, a system camera with a full frame BSI-CMOS sensor with 42.4 megapixels, 5-axis in-body stabilization, 4K video and a new autofocus system.

The long-awaited successor to the A7r announced in October 2013 is equipped with a new 42.4-megapixel sensor. The resolution jump, from 36 to 42 megapixels, is not the most eye-catching; that honor goes to the sensor design. It is the first full frame backside illuminated sensor, which according to Sony, the sensitivity improves. The BSI technology is mainly used in smart phones 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 greater grip and better 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 is thus well able to track fast-moving objects.

An electronic shutter first curtain- the camera would be 50% quieter than its predecessor. In addition, there also is a completely silent mode, on the basis of a complete electronic shutter. The burst rate is 5fps 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 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 on the market in August for a price of $ 3200. In the Netherlands the retail reportedly 3,500 euros, including VAT.

Update: Dutch retail added

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