Re: Kodak to discontinue HSI?

[Joshua_Putnam <josh@xxxxxxxxxxxx>]

Ben Kreunen <ben@xxxxxxxxxxxxxxxxxxxxxxx> writes:

>>[...]
>> > The latest story is that Kodak are going to discontinue the Estar-based HSI
>> > (how it is normally supplied) and will in the future supply HSI in the
>> > thinner acetate base as used in 35mm HIE.
>>
>>However, your concerns regarding its handling are probably correct.

>I've used 4x5 TechPan which is also a fairly thin emulsion. 

At least according to my 1993 catalog, Tech Pan in 4x5 is also a 7 mil
ESTAR thick base, like current HSI.  35mm Tech Pan, like 35mm
HIE, is on a 4 mil ESTAR-AH base.  (AH being anti-halation if I
remember correctly.)

The thinnest base they mention for any film is 3.6 mil acetate,
which is used for Tech Pan in 120 format.  

(All info is from the 1993 edition of Kodak Publication L-9,
_Professional Photographic Catalog_.)

-- 

 Josh@xxxxxxxxxxxx  is  Joshua Putnam / P.O. Box 13220 / Burton, WA 98013
                       "My other bike is a car."                   
                     http://www.wolfenet.com/~josh/
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