Alpha dog: Hands-on with Sony a7R II
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Alpha dog: Hands-on with Sony a7R II

42 is a good number - as well as being the answer to life, the universe and everything, it's also the number of millions of photodiodes that Sony has packed onto the sensor of its new a7R II.

And it's not just any old sensor either - the a7R II features the world's first full-frame backside illuminated CMOS, in a body which incorporates all of the major ergonomic changes made in the a7 II, released last year. The sensor is also stabilized, using a tweaked version of the 5-axis system in the a7 II which (we're told) delivers the same quoted 4.5 stops of benefit.