Mamiya 6 75mm Damaged Coating

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punkzter

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I have a Mamiya 6 75mm lens with a spot of damaged coating. I can get it replaced for $120, which...given the cost of this system...isn't that awful. Bob Watkins (Precision Camera Works) said that it wouldn't impact image quality. I've included a picture. The spot is in the 12 o'clock position. Is it worth getting this fixed?

Thanks,
Brad
 

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JPD

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That small white-ish dot? I wouldn't worry about it. It will not affect the sharpness of the lens, and not cause any noticeable abount of extra flare even if you shoot wide open.
 

ic-racer

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You need to take a picture WITH that lens, not OF that lens, to evaluate it's performance.
 

JPD

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See it this way: That tiny spot has lost its coating, so now that spot is transmitting 96% and reflecting 4% of the light compared of the rest of the surface that is transmitting 99,5% and reflecting 0,5%. Not a problem, especially when that spot is less than 1/10 000 of the surface. :smile:
 
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