Canon G15 Strange Behavior

Started Jan 26, 2013 | Discussions thread
PC Wheeler
PC Wheeler Forum Pro • Posts: 17,441
Re: Canon G15 Strange Behavior

Dale Buhanan wrote:

Actually, it makes sense. I don't think they had a choice. With the lens wide open the hole is bigger. ...... Since the shutter has further to move with a big hole, it takes longer for transit, and 1/2000 is as fast as it can go. When the hole is smaller, then the transit time is less and it can go faster. At least I think that is what is happening...

Good analysis, Dale. This is true for many cameras for exactly the reasons Dale describes. Fortunately, the G15 has a built-in ND filter which can remove the need for a fast shutter in bright, lens wide open situations.

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