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Bvandrasik
Tinkerer
Username: Bvandrasik

Post Number: 1
Registered: 03-2009

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Posted on Friday, March 06, 2009 - 11:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I'm looking for some guidance on adjusting the RF of a Minolta HiMatic 7S. I took the top cover off to clean the internal glass, also removed the beam-splitter while cleaning to be sure I didn't accidentally damage the surface. On re-assembly, the vertical alignment appears to be way off. Did I mention this is my first attempted camera repair? (although I do have experience in clock repair)

Thanks!
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Nickon51
Tinkerer
Username: Nickon51

Post Number: 58
Registered: 05-2008

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Posted on Tuesday, March 10, 2009 - 05:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

It shouldn't be "way" off. Some error is to be expected. I guess you have checked that it's up the right way?

Here is a picture of the rangefinder. From memory the screws that you can see behind the first mirror, set the vertical alignment.

Minolta 7s upper deck
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Bvandrasik
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Username: Bvandrasik

Post Number: 2
Registered: 03-2009

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Posted on Wednesday, March 11, 2009 - 04:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

By "first mirror", do you mean the one on the right (not the beam splitter) ?
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Nickon51
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Username: Nickon51

Post Number: 59
Registered: 05-2008

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Posted on Wednesday, March 11, 2009 - 07:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Yes that is the mirror that I was referring to.
I've taken a rangefinder out of a camera. I'm not sure now that the screws behind the first mirror are the right ones. I'll have another look at it tomorrow.
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Bvandrasik
Tinkerer
Username: Bvandrasik

Post Number: 3
Registered: 03-2009

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Posted on Thursday, March 12, 2009 - 04:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

OK, I figured this out. Forgive me if I do not use the proper part names, I'm new at this. There are 3 screws attaching the frame that supports the front element of the straight light path to the rangefinder assembly. I adjusted the outer 2 screws in equal amounts to bring the images into vertical alignment.

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