Why doesn't Canon implement expansion levels of ISO 50 and ISO 25? It sure would help on those super sunny days.
circa Senior Member  595 posts Joined Apr 2006 More info | Oct 07, 2007 10:08 | #1 Why doesn't Canon implement expansion levels of ISO 50 and ISO 25? It sure would help on those super sunny days. wonderful skateboard adventures:
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Jon Cream of the Crop  69,628 posts Likes: 227 Joined Jun 2004 Location: Bethesda, MD USA More info | Oct 07, 2007 10:10 | #2 They have implemented ISO 50 (effective) as part of ISO expansion on the 5D and beyond. But you lose a stop of dynamic range. Super sunny days you'll benefit more from a polarizer. Gives you about 2 stops (so the same as ISO 25), and helps with glare and saturation. Jon
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Oct 07, 2007 10:12 | #3 not gunna be able to throw a filter on a fisheye lens. wonderful skateboard adventures:
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Jon Cream of the Crop 69,628 posts Likes: 227 Joined Jun 2004 Location: Bethesda, MD USA More info | Oct 07, 2007 10:17 | #4 They've got gel holders in the rear, so use a 3" 2-3 stop ND gel - it'll support dozens of lenses. But you've got at least 4 stops worth of shutter speed beyond "sunny 16" available, too. Jon
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