RE: Filters

["Jason Revell (in5)" <jason.revell@xxxxxxxxx>]

The difference between the Hoya yellow and a Kodak #12 is very
noticeable, certainly when compared side by side.
I have also found that the Hoya filter allows about 1 stop more
light through so I expose in our studio at about 400 asa as opposed
to 250asa for the #12 filter (not metered through the filter).  I am
still
waiting for the B+W colour IR filter the arrive.  Has anyone here used
it?

A light Orange filter I think can sometimes look the best for
pictorial work and I have found they need about the same exposure
as the #12.  I am just waiting for a sunny weekend to try some of the
other filters.

Jason Revell
jason.revell@xxxxxxxxx


>Last summer I tested EIR with yellow (Hoya K2), orange (Hoya G) and
>red (Hoya 25A) filter, and the orange filter was the best. I can not
>compare
>the results with #12 filter, because I don't have it!
>
>Three rolls of Konica IR-750 are waiting to be developed next weekend.
>
>Greetings,  Hannu

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