Archived posting to the Leica Users Group, 2003/06/02

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Subject: Re: [Leica] R8 light leak?
From: grduprey@rockwellcollins.com
Date: Mon, 2 Jun 2003 08:54:11 -0500

David

Call Dave at Leica and ask for the foam frame for the film window on the
back of the camera.  It is worn out and leaking light through there.  I had
the same problem.  To Verify put a piece of black electrical tape over the
window on the camera back.  It should fix the problem.  the reason it is
not there all the time is dependant on where you put your fingers when
holding the camera.  When you block the window with your fingers teh
problem goes away, and when you do not have a finger on the window it is
back.  Dave sent me the foam frame at no cost, or just put the electrical
tape over the window and forget about it.

Gene



                                                                                                                                            
                      David Young                                                                                                           
                      <dnr@horizon.bc.ca>                 To:       leica-users@mejac.palo-alto.ca.us                                       
                      Sent by:                            cc:                                                                               
                      owner-leica-users@mejac.palo        Subject:  [Leica] R8 light leak?                                                  
                      -alto.ca.us                                                                                                           
                                                                                                                                            
                                                                                                                                            
                      05/31/2003 05:04 PM                                                                                                   
                      Please respond to                                                                                                     
                      leica-users                                                                                                           
                                                                                                                                            
                                                                                                                                            




All:

I am having a problem with my last few rolls of film...

I am getting (reddish) light streaks on numerous (but by no means all)
frames.  These streaks are always in the same position.

I have posted two shots showing the problem at
http://www.horizon.bc.ca/~dnr/problem.htm

I would suspect light leaking through the felt trap when loading, but if
this were so, would it not affect frames in some sequence, as the film is
wrapped around the core?

However, on one roll, exposed all in the same day, the problem shows on
exposures 3,6,9,10 & 15.  Another roll, exposed over two days, shows the
problem on exposures 3a,15a,18a & 23a.  All other exposures on both rolls
are fine.

If it were a light leak through the camera back, I would think the amount
of fogging would be determined by how long the frame was in the film guides

between exposures.  However, it appears that this is not the case.  It can
appear on frames shot very close together and not on ones where the film
has sat in the gate for a day or more, between exposures.

The light streaks always have one fuzzy edge and one razor sharp edge.  I'd

suspect the shutter, but it runs vertically, while the bands appear to run
horizontally.

My lab says it is not a problem with their processing.

Can anyone here give me an idea as to what may be causing this? The camera
is under warranty.

Many thanks, for any and all ideas.

David.
- ----------

David Young,     | Libertè, egalitè,
Victoria, CANADA | fraternitè, et beaujolais.

Website at: www.horizon.bc.ca/~dnr

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