Re: E-6 Infrared Filter?

["Willem-Jan Markerink" <w.j.markerink@xxxxx>]

On  1 Sep 99 at 22:36, ZmanPhotog@xxxxxxx wrote:

> 
>   Is it true that a person can use an Unexposed but Developed sheet of E-6 
> film for an infrared filter?  Are the results good?  Will it work on a flash? 
>  Does it matter what brand or type of film is used?   Does anyone have 
> examples scanned in using this process?
>   Sorry for all of the questions, but I'm trying to find a cheaper way for my 
> students to use an infrared filter.

Is this a long-term IR project, or is IR just a short-term subject in 
a larger program?
If the first: have you considered using thin IR foil, and taping that on 
the inside of the camera, behind the shutter, between the film rails?
Given the small size (24x45mm), and a price of US$0.50 pro square cm, 
this would be relatively cheap, but optically better than using 
unexposed & developed E-6, and it totally avoids the hassle of opaque 
filters in front of the lens/viewfinder (tripod/framing/focusing).

This polyester foil is available in 0.1mm thickness (same as 
gelatine) in colors #89B and #87, and in 0.4mm thickness as 
#87C....taped on the left & right with ordinary clear office tape.

I have been using one such #87C in my EOS-1 for almost 3 years now,
and also a #12 medium-yellow (for Kodak EIR) temporarily mounted 
during skiing trips (if there is one place where you don't want to 
klutz around with filters for 3 different films, that is it!....8-))

Mail me privately if you want more details.

--                 
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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