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Minolta Rokkor-X MD 50mm 1.4, aperture ball bearing reassembly

Started Sep 8, 2017 | Questions thread
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brianhcjeong New Member • Posts: 2
Minolta Rokkor-X MD 50mm 1.4, aperture ball bearing reassembly

Hi everyone,

Recently, I was disassembling my favorite Minolta MD 50mm 1.4 lens and realized that it was impossible to put back the ball bearing into the aperture ring.

Without the ball bearing, the aperture ring does not stay open and become loose and will not stay wide open.

I found the little dent where the ball sits but the gap between the lens and the aperture is really tight, every time I try to stick the ball, it would either shoot out or move out of place.

I would really appreciate any tips or advice on how to replace the ball bearing.

Thank you all in advance for your help!

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