A7 sensor cannot see red

Started 7 months ago | Discussions thread
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bergenpaul
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A7 sensor cannot see red
7 months ago

I've been comparing my RX1 with an a7 + 35mm Zeiss 2.8 lens.  In addition the a7's 35mm lens having really bad vignetting and not being as sharp as the RX1's, the a7 sensor itself cannot capture red?!  I took several pictures with lots of exposure settings using the a7's kit lens, the 35mm prime, as well as an a-mount 135mm.  In every case, the a7 cannot capture red.  I've tried raw and jpeg and lightroom adjustments.  Attached is a comparison between the a7 and rx1.  I'm going to go to a camera store to see if it's an issue with my a7 or all a7's, and I'll try the a7r.  I hope I just got a defective unit, as opposed to there being a problem with the a7's sensor.

Sony Alpha 7 Sony Alpha 7R Sony RX1
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