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You know, I don't think that what I said above is correct. If they defined their primaries then maybe the software vendors can adjust WB properly and the spectra doesn't need to be disclosed. It also strikes me that if you have the right equipment, measuring the spectral response is a simple exercise. Maybe better to just concentrate on what we point the damned things at... 😄 -
I was just wondering if it would make any difference, doing it before or after, but I think I don't know enough about how the debayering is actually done. I suppose that if manufacturers don't share the spectral responses of the channels then no-one can know what the primaries are, so although they'll know the gamma is Linear they won't know the colour space. Therefore if they want to make the image more warm along the neutral axis, they'll be boosting red and green but won't know the correct proportions to move along the right vector (unless they do some testing to determine this). I guess it's a situation where you have all the usual suspects feeding into it, like corporate secrecy and paranoia (in the guise of "competitive advantage") and poor understanding of transparency and the benefits of open standards, but also poor business management and inability to understand how the customer experiences their products. Industrial espionage is also something that happens and there's a balance between being transparent and making it easy for your competitors to undercut you in the market. I think for ARRI the marketplace might be somewhat different, but perhaps not. Then again, ARRI got sold and not all the Japanese manufacturers needed to be put on the market, so maybe their curmudgeonly ways paid off...
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Interesting. Makes sense to shoot both so you can review coverage and make decisions on-set rather than waiting days/weeks to see the footage. Of course, their page doesn't get off to the best start..... umm... sure, if you say so!
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WB should be before any creative operation, but before debayering is another story. Some still camera makers did that to make an "agreeable base point" for raw development softwares so they don't mess up with the brand's "image look" when they're doing their own WB process. Some differences in rendering we got used to see between LR and C1 is caused by the fact that there is very little communication between Japan and these software vendors. Some things like sharing the data of spectral response of the sensor with them. So instead of being more open, they place some pre scaling in the raw as baked in process. This practice makes less sense for Arri as they have a very good communication with software industry. But what do I know. -
Looks like someone has made the ultimate A/B tool for your matching experiments. https://www.cineluxcinematools.com/sixteen
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