light leak in the mamiya rb67


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baats

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Aug 24, 2006
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i just got a rb 67 and during one of my first test rolls, the first three shots were terribly overexposed while the rest were foggy and overexposed at the edges. the thing is, my exposure reading was taken with a handheld lightmeter and was supposed to be accurate. I suspect a light leak, but shinning it through my enlarger i could see no light leaks, though the foam is indeed "gummy" and flaking off. should i get it repaired? or is it something to do with the loading of film ? i find 120 film terribly hard to load!
 

light leak could be the crack/ holes at the focusing bellows, the P adapter, and the film back.

if the leak is within the negative frame, mostly likely is the bellows or the p adapter.

but the leak is outside the negative frame, mostly likely is loading problem.

loading 120 film is very easy, you just need to practice more.
 

i agree, i definitely need to practice more. it feels so much more different to 35mm. i checked the bellows seems theres no leak... i read that a highly problematic area is usually the foam parts which might let light seep in... the thing is , maybe its too small to be visible? maybe i should shoot a few more rolls then confirm...
thanks for your help!
 

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