NathanHamler Offline Upload & Sell: Off
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There is a $2.99 app on the App Store that tests your shutter speeds....to make sure they're accurate...since the FM is fully mechanical, and speeds can change over time....you gotta buy a little thing off ebay that senses the light, but it's a handy tool...other than that, check that the shutter curtains aren't wrinkled, check for corrosion in the battery compartment, check they the AI indexing ring moves and returns freely, obviously that if winds and the shutter re-cocks between frames, check the foam lining on the film door that prevents light leaks......etc...then, put a roll of film through it...
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