Re: Cachet Infrared News

["phillip geller" <filje@xxxxxxxxxxx>]

Subject: Re: Cachet Infrared News


> Phillip,
>
> What kind of filtration have you used?
>
> An where can one find an 87c or 89b or the Heliopan filters recommended
for
> Maco film.
>
> I'm champing at the bit to shoot some of my 4x5 Maco.
>
> Thanks,
>
> Don Bryant

I've used an 89b and 88a. The 88a is better but the E.I. is only about 8.
My local film supplier ordered a B+W  092 for me. It is the same as an
89b. There are some IR filters in 4x5 inch resin available through
Edmund Scientific at a really reasonable price. You can see through them
because they leak about 1 percent green light. The effect on IR is
equvalent to an 89b. You should also be able to order an 89b gel from any
pro kodak  dealer. As far a heliopan  , they are about $100 per filter and
special order here in the U.S. and non-returnable. Ike at Cachet  said he
may
consider importing some for his customers and might get a better price too.

Phil

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