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  • Is it possible that a camera body could cause slow aperture blades, not the lens? Got an ME Super and the aperture blades are super slow to close down on dry firing, but seems to be fine on my MV body. Real shame if this is the case as the viewfinder is super clean

  • As @supersalad expertly demonstrated, it could be either. Should be easy to find out which one though by working the levers manually, both should snap back instantly. Should be a fair bit of resistance on the body lever also.

    I'd still guess at it being gunk on the aperture blades in the lens causing problems, with perhaps the MV body lever having a bit more snap on stop down.

  • Ok I'll test the lens seperately and the ME body with a different lens when I'm home tonight. Thanks for the advice :)

  • Turns out it was the lens that was the problem! This is the dinky 40 2.8 so I'll go down a youtube rabbit hole of learning to service vintage lenses...

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