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120 / 220 film RF's 120 / 220 format rangefinders including Fuji, Koni-Omega, Mamiya Press, Linhof 6x7/6x9 cameras, Mamiya 6/7 among others, but excluding the 120 folders and the Voigtlander 667 cameras that have their own forums.

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Mamiya 7 150 shutter lag
Old 07-21-2018   #1
rionda
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Mamiya 7 150 shutter lag

My Mamiya 7 works great with the 43 and the 80, but the 150 doesn't shoot immediately when I click. Rather, it does nothing for about 4 seconds and then doesn't keep the shutter open for the given amount of time (it is probably shooting at the fastest speed possible, as I got very underexposed slides).

The contacts seem clean. Is there anything I can check/do before sending the lens for repair (and any suggestion of where to send it to)?

Thanks.
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Old 07-21-2018   #2
Oren Grad
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Ask Bob Watkins:

https://www.precisioncameraworks.com/mamiya/
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Old 07-21-2018   #3
DMA1965
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Sounds like the interlock magnet is bad.
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Old 07-22-2018   #4
john_s
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Quote:
Originally Posted by DMA1965 View Post
Sounds like the interlock magnet is bad.

I don't know how that would cause a problem with one lens but not others. I do have a Mamiya 6 with the magnet problem but its behaviour is the same with all lenses.
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