Komaflex-S. I got it unlocked and everything works, only to find the aperture is sticky.

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Wolfram Malukker

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Apr 13, 2024
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167
Location
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My grandfather gave me a locked up Komaflex-S box SLR. I was able to get it unlocked and everything now works correctly, all the interlocks and levers function properly. The only problem, is that the Seikosha-SLV shutter feels like all the lube inside has turned into goo.

Cocking the shutter (and setting the aperture) works, but at any aperture other than wide-open at F2.8 the aperture blades slowly start to close down to the requested setting, only to snap back open when the shutter closes, which is AFAIK the proper behavior.

Timing the shutter, it's pretty close on all the shutter speeds, it's just the aperture is gummed.

Does anyone know anybody who will have a go at cleaning up this type of shutter assembly? I would prefer to not remove it from the camera if I can find someone to remove and service the shutter, but if I need to remove the shutter assembly to send it out, I can.
 

Tel

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My grandfather gave me a locked up Komaflex-S box SLR. I was able to get it unlocked and everything now works correctly, all the interlocks and levers function properly. The only problem, is that the Seikosha-SLV shutter feels like all the lube inside has turned into goo.

Cocking the shutter (and setting the aperture) works, but at any aperture other than wide-open at F2.8 the aperture blades slowly start to close down to the requested setting, only to snap back open when the shutter closes, which is AFAIK the proper behavior.

Timing the shutter, it's pretty close on all the shutter speeds, it's just the aperture is gummed.

Does anyone know anybody who will have a go at cleaning up this type of shutter assembly? I would prefer to not remove it from the camera if I can find someone to remove and service the shutter, but if I need to remove the shutter assembly to send it out, I can.
You could try Flutot's camera repair:
 
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