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In the past few weeks Nikon has launched two major new DSLRs, the 16MP D4 and the 36MP D800. To get a feel for what the professionals think we asked four photographers, whose work and expertise spans a wide variety of genres to give us their take on the new cameras.
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Sony's a7R Mark III shoots 42.4MP files at 10fps and incorporates a robust video feature set, large battery, refined ergonomics and more. It certainly looks impressive, but what is it like to use, and how does it stack up against the rest of the market? Find out in our full review.