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BTRF
Hi Willem,
I am interested in buying a few of the polyester foil 0.4mm IR
filters(#87C). I have an F801s like Jaap, so the dimensions of 24.0x0.4x??mm
would suit my camera. I currently use a #89B in front of my lens and you said
you were researching about a #89B BTRF at the moment. Is this a glass or
polyester type you are looking into?
Is the material for the 0.4mm polyester foil #87C BTRF commonly available, or do
I buy some through you??
regards
Peter B.
PS. I shortened 'BTFR filter' to 'BTRF'!
______________________________ Reply Separator _________________________________
Subject: Re: filter between the rails
Author: infrared@xxxxx at INTERNET
Date: 09/8/97 6:37 PM
..........
I am currently also doing some research on a thin #89B for the same
application, but then of course for Konica, Ilford and Agfa. I have
at least one solution, but it requires a rather large minimum order,
so this is only feasible if I can get a bunch of filters cut in
exactly the same size....and fitting more than one brand/model of
camera....my EOS-1 measures an exact 24.0mm height
between the filmrails (width is not crucial, I point at 45mm).
So a question for those having a depth-gauge at hand: would this
24.0mm fit other brands & models of cameras?
PS: don't poke that depth-gauge through your shutter....pick the
sides of the frame rails, not the middle....;-))
- --
Bye,
Willem-Jan Markerink
The desire to understand
is sometimes far less intelligent than
the inability to understand
<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]
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