Re: IR Ektachrome E-6

[Dan Cardish <dcardish@xxxxxxxxxxxx>]

At 12:29 PM 24-02-97 GMT, w.j.markerink wrote:
[snip]
>Am I the only one being somewhat disturbed about the note, where it 
>says that E-6 should not be regarded as appropriate for scientific 
>and technical use?
>I wonder what they mean with this....the only fact I can extract from 
>this page is that it will be 200 ASA in E-6, and 100 ASA in AR-5, and 
>that human lips will render yellow....
>Assuming a larger format in this same emulsion will follow, 
>resolution should not be the main argument....the actual spectral range 
>doesn't seem likely either, as it is film related, not process. That 
>leaves the possibility that the interaction of the three layers in 
>E-6 prevents good foliage-analysis....maybe the shift from 100 to 200 
>ASA isn't equal for all three layers....

What is the AR-5 process.  Is it available commercially?  The note states
that film processed in E6 will have higher contrast and higher colour
saturation.  

Dan C.


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