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04-05-2009, 12:13 PM   #1
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Live view and camera longevity

I never used the live view feature on my P&S camera and I obviously don't have it on my K10D, but I was thinking how much extra wear it puts on the mirror and shutter..

or is there an extra sensor somewhere above the mirror?

04-05-2009, 06:12 PM   #2
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When you enter Live View mode on a DSLR the mirror retracts and the shutter opens just like it does when taking a picture. Only difference is that the shutter stays open as long as Live View is enabled. I doubt that this would cause any undue wear and tear on the shutter mechanism (it doesn't work like a movie camera). The wear and tear it does on your batteries is another matter.

BTW, Olympus had a very clever Live View mode on their E-10 digital SLR. It featured a prism instead of a mirror that split the image between the viewfinder and the sensor. Unfortunately, this resulted in a relatively dim viewfinder and the Live View image was pretty much useless.

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