And please someone care to explain what kind of benefits, "No compression image" gives compared to say, lossless compression to half the size.

Yes the size and all the problems caused by the size. Transcoding times, the power of the machines for DI. Cost goes upwards.
I dint mean apertus should use RC ofcourse. Compatibility with the softwares will not be a problem in long run, everything eventually catches up.
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The no compression solution breaks my heart as well. In a recent shoot, we had to shoot with a Black magic 4k camera (despite my initial choice being red scarlet/one-mx, producers went for BM 4k due to cheap rental prices) . BM 4k data is nightmare to manage, the post production costs multifolded. This made us take a decision to go with my initial choice, a Red scarlet after a schedule.