Mailinglist Archives:
Infrared
Panorama
Photo-3D
Tech-3D
Sell-3D
MF3D

Notice
This mailinglist archive is frozen since May 2001, i.e. it will stay online but will not be updated.
<-- Date Index --> <-- Thread Index --> [Author Index]

Re: Cameras and film fog


  • From: "Willem-Jan Markerink" <w.j.markerink@xxxxx>
  • Subject: Re: Cameras and film fog
  • Date: Tue, 8 Oct 1996 13:37:22 +0000

On  8 Oct 96 at 11:58, JonP53@xxxxxxx wrote:

> Has anyone else experienced imaging of the film pressure plate pattern on IR
> film?  I have several customers who are using Olympus and other cameras whose
> plate has a grid pattern of dimples that is reproduced on the film under
> certain conditions, rendering those frames unusable.

Yep, is a known problem. The Pentax K-1000 also suffers from this.
An UK mag suggested taping a piece of 120 paper backing on the 
pressure plate. Note that this conflicts with the assumption that 
Kodak HIE in 120/220 is impossible because of an IR leaking paper 
backing....8-))

--
Bye,

       _/      _/       _/_/_/_/_/       _/_/_/_/_/
     _/  _/  _/               _/       _/  _/  _/
     _/  _/ illem    _/     _/ an    _/  _/  _/ arkerink
                     _/_/_/  



      The desire to understand 
is sometimes far less intelligent than
     the inability to understand


<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]

------------------------------

Topic No. 8