Wratten #12 gel filter in 67mm diameter

[Richard Fung <rfung@xxxxxxxxxxxxxxxxxxx>]

Hi group,

A basic question on how to use the Wratten #12 Gel with Konica 120 IR film.
The filter gel is not mounted - can I attach this somehow onto my 67mm
skylight filter? Will it yield the same results if I add this to a skylight
filter versus use it by itself. How about adding the Wratten #12 onto a 29A
filter? Finally, what settings should I start off with using Konica -200ASA?
I will be photographing landscapes such as marsh and ponds with dark water
and trees with my Pentax 645 45mm lens. I would actually like to shoot at
f/16 around 1/2 second if possible. Any help would be appreciated.

Thanks in advance,

Richard Fung
rfung@xxxxxxxxxxxxxxxxxxx
Richard Fung
Planning, Evaluation & Information Systems
University of California, Berkeley
207 University Hall
Berkeley, CA 94720
(510) 642-1198

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