Posted: Sep 27, 2008, 10:27 AM
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Join Date: Mar 2004
Posts: 9,120
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I have two cameras now:
Canon 5D, in service since October 2005, about 40,000
Canon Digital Rebel Xti, in service since June 2008, about 2,000
The big dSLRs have something like 200,000 shutter actuations (e.g. 1DS Mark II or III). The middle dSLRs like the 5D have 100,000, and lesser dSLRs like the Xti are rated for 50,000.
I interpret this information to mean that these numbers are probably an average, but just because you hit that number does not mean your camera is going to blow up and stop functioning. I believe you run an increasing risk of shutter failure as you near or pass that number, and then you have to replace the shutter, which frankly I know nothing about.
--don
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