RE: Filters for EIR

[Clive Warren <Clive.Warren@xxxxxxxxxxxxxx>]

>>Kodak recommend a starting point using a Wratten 12 filter which is an
>>orange and an ASA index of 200 for development in E6. From comments
>given
>>by various EIR users on the list they do not make much of a correction
>for
>>the filter. Bracketing is always a good idea.
>
>uh, #12 is a yellow, at least to my eyes. It is also known as a "minus-
>blue" filter, AFAIK.
>
>Be seeing you.
>
>
>Dirk Wright


Dirk,

Had this discussion with someone else a while ago.  If the filter complies
to the Wratten standards then a Wratten #16 is an orangy yellow sort of
colour ......

Certainly more orange than a Wratten #8 which is yellow.



All the best,

             Clive   http://www.cocam.co.uk
                     Photographic Services, Filters and Equipment, Infrared FAQ


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