Mamiya 7 Lens Leaf Shutter Issue?

fadedpastels

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I received a Mamiya 7 80mm via Adorama and I noticed that the leaf shutter in the lens does not open up all the way when fired. I couldn't find any issues out there similar to this one. Is this just normal operation? I attached a photo of the lens in bulb mode. Any insight would be appreciated. Thanks.
 

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MattKing

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What aperture setting are you using for that photo?
 
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fadedpastels

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Wide open at f4 but its the same for any aperture any speed that is the most the leaf shutter will open up.
 
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fadedpastels

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The previously mentioned lens went back to Adorama for a refund. I now have received another 80mm from KEH in EX condition this time but It happens to have a few hairs/scratches inside the rear elements of the glass think this might have any impact on the photos at all? (see photo attached) I was only able to get a photo of the largest hair/scratch. I assume it won't from experience but would also appreciate another opinion on the matter. I would love to actually test it out myself but the Mamiya 7 I purchased also from KEH had a sticky shutter button and had to go back for a warranty repair.
 

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moto-uno

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If it's a hair , who cares , but a scratch is a long way from EX condition ! Peter
 
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