Thomas Bantel wrote:
>
> Brendan Bleheen wrote:
>
> > I've been meaning to buy a red filter for my EOS 50 f1.4 for a while, and
> > got to wondering whether having a red filter over a lens would negate the
> > effect of the AF assist light on my EOS 5. The AF assist works by projecting
> > a red/infrared pattern onto the subject, and red filters block the red end
> > of the spectrum (I may be wrong here, physics was never my strong point).
> > Therefore the AF assist light will be useless when the red filter is
> > attached.
>
> A red filter doesn't block red light, it blocks other colors and lets the
> red light pass through. Now if you'd be talking about a blue filter ... ;-)
>
> Thomas Bantel
So what will an 80A do? Make the lens hunt for focus? I used one
yesterday, but on my 1n, which, of course, doesn't have an assist light.
Skip
--
Shadowcatcher Imagery
http://www.shadowcatcherimagery.com
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