Canon EOS 30D shutter effect

Started Apr 21, 2013 | Questions thread
blåland
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Re: The shutter blades move in an arc
In reply to Leonard Migliore, Apr 22, 2013

Leonard Migliore wrote:

blåland wrote:

Why would a failing shutter create a circular pattern when the shutter isn't round in any way?

The shutter has blades that move from the top to the bottoom (or the bottom to the top) of the sensor. Each blade is on a pair of pivots located on one side of the sensor. The blade moves in an arc as it crosses the sensor; its orientation remains horizontal because the pivot set forms a parallelogram.

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Leonard Migliore

I see, that makes sense.

It's probably cheaper to get a new (used) 30D than repairing it.

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