From somewhat inauspicious beginnings, firmware updates are turning the EOS R5 into an increasingly capable video camera With its latest firmware, the Canon EOS R5 gains the Canon Log 3 profile for video. In this article, we’re taking a closer look at C-Log3 and how it differs from the existing C-Log profile. In doing so, we hope to make clear why cameras sometimes offer multiple Log profiles, to help you decide which one to use. Why Log? To understand why cameras have different Log profiles, it’s worth going back to basics to explain why videographers shoot Log at all. In stills photography we generally choose between JPEG files (a small and efficient compressed format but one that has limited editing flexibility), and Raw files (larger but retaining the greatest flexibility). Log is an attempt at a middle ground between these two: it’s subject to a lot of the processing and compression that a JPEG file is, but has been expressly designed to retain enough information about the original capture to remain flexible. Crucially, it tends to be relatively small, which is valuable in video: when you’re measuring file sizes in data per second, then the clock is ticking from […]
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