Re: Answers to several EIR questions

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

On 24 Sep 99 at 18:29, Rolland Elliott wrote:

> EIR does NOT have an antihalation layer.  To experience this for
> your self, load the film in fairly bright light (say in partial
> shade around noontime on a sunny day) rate your film at ISO=640,
> meter through a #12 yellow filter, and E-6 push process the film two
> stops. You'll get nice red bands through the first 8 or 10 frames,
> exactly like the bands of density you get when you load HIE in
> light.

I even noticed them with normal exposure & development....Kodak does 
have a point here....

Btw, what are the pictorial consequences of underexposing & push 
developing?
Have you also tried overexposure and pull developing?
 
> Kodak says to load color IR film (EIR) in total darkness because
> they want to protect the consumer against any possible fogging. 
> This is a reasonable precaution, but unecessary for the many people
> who rate it at around ISO=250 and develope it in E-6 chemicals. 
> Unfortunately Kodak takes the same stance about 120 and 220 format
> IR films.  They claim they can't manufacture 120/220 IR films
> because IR light fogs the film from the edges.  They are right, but
> it is not noticible under most circumstances.  And if you can't
> notice it, it doesn't really matter.

Didn't someone once posted a Kodak argument that 120/220 couldn't be 
cut with the same machines as for other films, because it relied on 
IR-detection? This sounded much more plausible than any 
user-argument. 

You don't want a separate production/cutting solution for 120/220, as
that would make it way too expensive....any HIE/EIR can only survive
on the market when it uses the same core production facilities as
other films.... 

--                 
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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