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PostPosted: Mon Aug 12, 2013 11:18 am 
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I'm shooting with a 50D and would like to shoot timelapse images raw. How fast CF should I get if I want to shoot like every 2-3 seconds?

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PostPosted: Mon Aug 12, 2013 5:27 pm 
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Joined: Sun May 25, 2008 12:48 pm
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If memory serves me correct a typical RAW from a 50D is perhaps 20-25MB? If so, divide that by however many seconds it takes to write. To be safe, let's call it 15MB/s. Upper end CF cards have been around 30MB/s+ for a while so you should have some headroom there. How much cheaper and slower you go you'd need to work out. I'd allow some writing speed headroom to be safe regardless.

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