Ryan Earl Posted April 27, 2022 Share Posted April 27, 2022 6 hours ago, Owlgreen said: Thank you OleB and Ryan. I'm curious why it is not advisable to use a similar workflow but to substitute Blackmagic Design colorspace instead of P30 D60. What I understand is that the Blackmagic Design Color Space and Blackmagic Film Gamma was specific to Blackmagic's cameras like the original Blackmagic Cinema Camera and URSA 4.6K. The conversion will be inaccurate but some users have found it pleasing or workable. I personally compared the DNGs as P3 D60 and Linear to the URSA 4.6K in Blackmagic and found the colors to be more accurate with a transform to REC709 and with the tone mapping tool better access to the highlights from the Sigma. I think as the Sigma happened to use DNG people just started using the Blackmagic gamma because it gave you an instant log to grade but since Sigma had not given a log profile for it, it's linear, then it's most appropriate to transform from linear. PannySVHS 1 Quote Link to comment Share on other sites More sharing options...
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