A UV/Haze will reduce the UV component, but not the visible, which hazes
film to some extent because film is sensitive to UV just above the visible
spectrum. Glass does not block out UV, it only attenuates it. Images made
using a zoom with many elements will suffer less from UV haze (but suffer
more from other compromises). Images made using a prime with just a few
elements (especially thin ones) suffer more.
A polarizer can remove the polarized component but only works in some
directions compared to the light direction, not all, and only reduces the
effect of light reflected from it. It won't rid you of the problem with
the light it blocks which still reduces contrast.
In short, with SMOG you're stuck with much of what you see. There's no
magic filter to rid the sky of it.
-- John
At 20:02 6/18/01, Mike Lazzari wrote:
Anybody else in the Pacific NW notice how bad the air quality is getting
these days? I used to be able to see Mt Rainier to the SW or the coast
mtns to the N on an average clear day, now i rarely see either.
What do you recommend for a haze filter? A polarizer is a bit too blue
and harsh. A warm polarizer or skylite tends to enhance the brownish
haze. What I want is a filter that zaps away the smog and returns the
skies to the way they were 25 years ago :>) Yeah, I know i'm dreaming
but short of that what is recommended?
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