P3D Re: Cleaning the rangefinder on a realist

["Robert R" <robert_3d@xxxxxxxxxxx>]

George,

Thanks for the info, I figure the dust spots are on the inside of the 
glass at the front of the camera kind of looks like you can see them 
when looking at it from the front. They really don't affect anything, 
just make it a little harder to see through in low light.  I am familiar 
with front surface mirrors from building telescopes, so I know the harm 
that can be done from touching them,  I am in a way surprised to hear 
that it has mirrors in it though. figured that there would be prisms in 
there. I'm still getting used to the camera, and haven't finished my 
first roll of film yet, so I'll file your information away for a day 
when I have a little more experience, and feel a little more brave about 
taking it apart.

Thanks......... Robert Radtke


>To: photo-3d@xxxxxxxxxxxxxxxxx
>From: "Dr. George A. Themelis" <DrT-3d@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>Subject: Re: Cleaning the rangefinder on a realist
>Cc: robert_3d@xxxxxxxxxxx
>Date: Sat, 5 Dec 1998 22:18:37 +0000
>
>>The top window on mine is good and clear, but the lower one 
>>seems to have a little dirt in it.
>
>By top and bottom window you mean the glass in front, the mirrors 
inside,
>or the little viewing lens in the back?
>
>To access most of it without removing the bottom, start by taking the
>lens board off (4 screws in front, two at the top).  With the lens
>board off you can remove and clean the rangefinder glass windows
>in the front and blow air to remove dust in the mirrors.
>
>For total access to the rangefinder mechanisms, you should remove the
>bottom plate.  There are five small screws hidden behind the leather.
>Four are at the four corners and one close to the serial mumber.  
>Peal the edges of the leather carefully.  With the bottom removed
>you can see how the thing works and clean anything you like.  I caution
>against touching the front surface mirrors.  You can also adjust the
>rangefinder.  When done, put the screws back and glue the leather back
>with rubber cement.  (Do not use paper glue).
>
>George Themelis
>


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