![]() What is slimRaw and how does this help our situation? SlimRaw is a post production application, available for both Windows and Mac OS X, that allows you to recompress CinemaDNG files to save space & improve playback performance. The significant improvements during color grading and VFX work is something you need to consider when choosing a recording format, especially when a film may record hundreds of hours of material throughout its production (ignoring post, VFX, etc). As a colorist and VFX artist, I can attest that the exact same camera recording in ProRes and CinemaDNG will always provides a superior result with CinemaDNG. It is a RAW format, similar to RED's proprietary "REDCODE" format, which provides a very high quality image that is highly flexible throughout post-production. Why record in CinemaDNG if it is so large? Well, there are a lot of reasons why you would want to record in CinemaDNG. This massive data rate can eat up your storage space fairly quickly, especially when you have multiple back-ups for your footage. ![]() At 2.5K resolution, a single frame of CinemaDNG video (1/24th of a second) can run up to 5MB in size, or ~7GB a minute. However, to handle this amazing image quality, all Blackmagic and ML Raw cameras record to a the data-intensive CinemaDNG format. No other cameras in that price range ($500-$4000) can capture such high quality imagery at up to resolutions of 4.6K. Most people who know me or follow my blog know I'm a huge fan of the Magic Lantern Raw 'hack' and Blackmagic cameras, not only due to their great price-to-performance ratio but also because they can use the great CinemaDNG format to capture raw video. Update 1/2016: Added reference to new lossy compression feature.
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