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service-repair manual for Mamiya 645 Pro



 
 
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  #1  
Old November 11th 09, 11:23 AM posted to rec.photo.equipment.medium-format
Armando[_2_]
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Posts: 2
Default service-repair manual for Mamiya 645 Pro

Hi,

I need to change the bayonet on my 645 Pro TL camera. A repair manual
could be useful to know how to open the camera body. I didn't find it by
Google...

Any help is appreciated
Thank You
Armando
  #2  
Old November 14th 09, 12:21 AM posted to rec.photo.equipment.medium-format
Armando[_2_]
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Posts: 2
Default service-repair manual for Mamiya 645 Pro

Ric Trexell wrote:
Many times repair manuals are available on ebay for your camera. The mount
must be exactly what the manufacturer calls for in the distance from the
mount to the film plane. A depth micrometer guage will almost be needed for
this. A repair shop would use a collimator to make sure the focus is
correct. If you don't have these things, make sure any spacers are replaced
where they came from. However, since one mount is different from the next,
even getting spacers replaced exactly might not make for a good set up. Ric
in Wisconsin.


Thank You for Your answer.
I think I won't make any change on my camera.
The reason why I bought the bayonet is a little "play" of some heavy
lenses I had noticed. I use the camera for astroimaging and during long
exposures the rotation of the camera (to have no stars motion on the
frame) together with the weight of the lens could cause a little shift
of the lens... But I need to be sure this problem occurs since I have to
make some pressure to be able to manually "shift" the lens attached to
the bayonet.

Thank You again
Armando
  #3  
Old December 23rd 09, 01:53 AM posted to rec.photo.equipment.medium-format
krishnananda[_4_]
external usenet poster
 
Posts: 77
Default service-repair manual for Mamiya 645 Pro

In article ,
Armando wrote:

Ric Trexell wrote:
Many times repair manuals are available on ebay for your camera. The mount
must be exactly what the manufacturer calls for in the distance from the
mount to the film plane. A depth micrometer guage will almost be needed for
this. A repair shop would use a collimator to make sure the focus is
correct. If you don't have these things, make sure any spacers are replaced
where they came from. However, since one mount is different from the next,
even getting spacers replaced exactly might not make for a good set up. Ric
in Wisconsin.


Thank You for Your answer.
I think I won't make any change on my camera.
The reason why I bought the bayonet is a little "play" of some heavy
lenses I had noticed. I use the camera for astroimaging and during long
exposures the rotation of the camera (to have no stars motion on the
frame) together with the weight of the lens could cause a little shift
of the lens... But I need to be sure this problem occurs since I have to
make some pressure to be able to manually "shift" the lens attached to
the bayonet.

Thank You again
Armando


John Craig of Craig Camera sells user and repair manuals -- literally
thousands of them. If what you are looking for isn't on his website
http://www.craigcamera.com you can contact him directly and request
it.

On his repair manual page he lists various M645 models -- just scroll
down to the "M"s http://http://www.craigcamera.com/lit_newrep.htm

He sells both originals and xerox copies, often (but not always) for
less than they can be found on ebay.

Hope this helps.
  #4  
Old December 23rd 09, 10:48 PM posted to rec.photo.equipment.medium-format
Richard Knoppow
external usenet poster
 
Posts: 751
Default service-repair manual for Mamiya 645 Pro


"krishnananda" wrote in
message
...
In article ,
Armando wrote:

Ric Trexell wrote:
Many times repair manuals are available on ebay for
your camera. The mount
must be exactly what the manufacturer calls for in the
distance from the
mount to the film plane. A depth micrometer guage will
almost be needed for
this. A repair shop would use a collimator to make
sure the focus is
correct. If you don't have these things, make sure any
spacers are replaced
where they came from. However, since one mount is
different from the next,
even getting spacers replaced exactly might not make
for a good set up. Ric
in Wisconsin.


Thank You for Your answer.
I think I won't make any change on my camera.
The reason why I bought the bayonet is a little "play" of
some heavy
lenses I had noticed. I use the camera for astroimaging
and during long
exposures the rotation of the camera (to have no stars
motion on the
frame) together with the weight of the lens could cause a
little shift
of the lens... But I need to be sure this problem occurs
since I have to
make some pressure to be able to manually "shift" the
lens attached to
the bayonet.

Thank You again
Armando


John Craig of Craig Camera sells user and repair
manuals -- literally
thousands of them. If what you are looking for isn't on
his website
http://www.craigcamera.com you can contact him directly
and request
it.

On his repair manual page he lists various M645 models --
just scroll
down to the "M"s
http://http://www.craigcamera.com/lit_newrep.htm

He sells both originals and xerox copies, often (but not
always) for
less than they can be found on ebay.

Hope this helps.


I haven't gotten anything from John for a while but
used to do a fair amount of business with him. I can
recommend him. He is honest and friendly. He also often has
stuff that is not on his web site so an e-mail or phone call
is worth the effort.

--
Richard Knoppow
Los Angeles, CA, USA



 




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