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K-S2 Aperture block failure repaired Locked

Started Nov 6, 2017 | Discussions thread
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flektogon
flektogon Veteran Member • Posts: 6,226
Re: K-S2 Aperture block failure repaired

You know, repeatedly and quickly checking DOF is just one way exercising with the aperture mechanism. It's possible that this aperture driving solenoid has some lubricant inside, which needs to be periodically "stirred out".  The same effect should have taking a burst of pictures, just I am not 100% sure whether during such operation the aperture won't stay in the working position. In the LV mode I am sure that the burst mode would exercise with the lens aperture, as everything is in a move there, including the mirror.

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Regards,
Peter

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