Re: polarizer and IR (Re: Focusing/Best time of day)

[bond@xxxxxxxxxxx (Ryan Bond)]

>
>>Look up in the sky before shooting next time.  Is the sky a washed out
>>blue, or is it a deep blue color.  If it's the former, then forget it,
>>if the latter then shoot in that direction.  That's right, look around
>>and you'll see a difference in the sky's color.  Midday, it'll be
>>difficult to get that dark sky, but early/late is a different story.
>>
>Will put a polarizer help darken the sky?  Will it bounce out the IR...
>
>Remi
>
>
>A polarizing filter will indeed darken the sky with infra film.  A
combination of a polarizer and a Wratten # 87 gives the msot dramatic
results.  I recommend the Kodak publication "Applied Infrared Photography",
Kodak publication M-28 for further details.

Ryan Bond


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Topic No. 6