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Re: Focus rules of thumb



SARAH

i was having difficulty
remembering to focus for IR
so i just started using f11
all the time

BB
josh


>From: Sarah Morgan <sarah_morgan@xxxxxxxx>
>Reply-To: infrared@xxxxx
>To: "'infrared@xxxxx'" <infrared@xxxxx>
>Subject: Focus rules of thumb
>Date: Mon, 12 Jun 2000 16:00:00 -0400
>
>
>What are the general rules of thumb when adjusting focus and exposure to go
>from regular color film to IR film (EIR 135-36 exp).  Is there a difference
>in the angle the wavelengths of light strike the film in visible v. IR
>range?  How critical is the exposure.  These questions are for shooting
>around 10 foot away from subject (not aerial shots).
>
>What filtration effects does an overcast day have v. a sunny day or partly
>cloudy day.  What setting must you change for each circumstance?
>
>Cheers,
>Sarah
>*
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*  To remove yourself from this list, send:          *
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