Originally posted by Rondec Sorry, I still don't buy it. Fuji works most of their magic by overstating their iso levels, making Fuji image files seem cleaner at a given iso than competitors. By using the x trans sensor, they make certain that DXO Mark doesn't test their images to clarify the situation.
The way this is phrased implies that a reason Fuji uses X-Trans is to "make certain that DXO Mark doesn't test their images". Fuji has been using "alternative" sensor technology since before DXO existed. DXO itself claims that it is possible to modify their procedures and software to measure the X-Trans sensor, but they don't feel it's the best use of their resources to do so at this time. Same thing with Foveon sensors. If Fuji and Sigma (whose RAWs are even more proprietary than Fuji and highly modified) were to gain large marketshare, you bet DXO would begin to measure the sensors.
Quote: Beyond which RAW files should not have proprietary processing applied. If Fuji is applying processing that sticks with an image when you open it in Lightroom, then that is bad on their part. You should have a clean, neutral file that you can then process however you want.
Pentax has been cooking their RAW files since the K-5, and even moreso in the K-70.
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But yeah, I think this sounds like marketspeak shenanigans on Fuji's part, if the story is fairly close to the truth.