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I've been looking at the reviews of the A7r ii, after discounting a Leica M because of price/performance reviews. I keep coming across "lossy raw files" Can someone kindly explain what is meant in simple terms, and weather it really matters in the real world.
Thanks...Philip
Sony drop a couple of bits from the raw files possibly to speed up throughput. Some commentators make a big thing of this and produce evidence some of which is arguably of little worry in the real world, for example they bost the exposure by 5 stops and examine the files at 200%.
There's a review at Luminous Landscape here where they touch on it in the write up and in the little vid...
https://luminous-landscape.com/sony-a7rii-review-and-hands-on-report/
Steve Huff also includes this in his review here...
http://www.stevehuffphoto.com/2015/08/31/the-sony-a7rii-camera-review-a-real-world-look/
Neither of these reviewers think the lossy raw issue is much of a real world issue.
I've never worried about this issue with my A7 and it wouldn't put me off buying another A7 series camera. A top Sony guy (I forget who he was...) said in an interview that they're aware of the issue and are looking at it, there's some talk of a possible firmware update but we'll have to wait and see. Personally I think the lossy raw issue is a pixel peeper issue and will possibly rarely if ever be a real world issue. Just my opinion.
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