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Dry bubble level in Mamiya 7 accessory finder
Old 4 Weeks Ago   #1
ka7197
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Dry bubble level in Mamiya 7 accessory finder

I acquired a used Mamiya finder for the N 43 mm L lens. The bubble level has dried out—apparently a frequent issue with these finders. The top of the bubble level looks as if it could be unscrewed. Has anybody ever fixed one of those dried-out levels? If so, what kind of liquid goes there? Oil, alcohol, water ...?
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Old 4 Weeks Ago   #2
Niko
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I would simply replace the bubble level. Mamiya part number is: Y25732

Ask https://www.precisioncameraworks.com if they have those.
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Old 4 Weeks Ago   #3
Steve M.
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If it unscrews, just put some water in it. You can usually find small bubble levels at a hardware store or even Walmart.
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Old 4 Weeks Ago   #4
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Problem with those levels from a hardware store is that you can´t see through them but can only be viewed from the top. At least that´s what i found out when replacing the bubble on my Xpan viewfinder, finally bought the original spare.
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Old 4 Weeks Ago   #5
EdSawyer
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I've replaced these before. They are glued in, not screwed in. You can remove them with a small pointed spanner wrench, the glue is not super strong. The replacements from MAC at the time were about $30-40 as I recall. They are sealed and not user-refillable, sadly. It would be nice to know if they are still available from precisioncameraworks.
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Old 4 Weeks Ago   #6
Nokton48
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Luckily my 43mm Mamiya finder came with levels fully filled.
Still, do they have replacements?
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Old 4 Weeks Ago   #7
ka7197
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Quote:
Originally Posted by EdSawyer View Post
I've replaced these before. They are glued in, not screwed in. You can remove them with a small pointed spanner wrench, the glue is not super strong. [...] They are sealed and not user-refillable, sadly.
Thank you very much! This is the information I was looking for. So I'll have to find a spare part ...
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Old 4 Weeks Ago   #8
Karlovak
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I've used my 50mm finder just fine without the level. It came with the bubble piece missing.

Gathers dust though, so I might be interested as well. Did you write to PCW?
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Old 3 Weeks Ago   #9
mooge
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Don't put water in it! Use something that won't freeze - the internet seems to say ethanol or mineral oil.
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