> Say you've got a UV filter on a 28-70 on an OM-1. Say you then want to
> use a Polariser on that lens. Do you take the UV filter off first, or
> just stack them ? The blurb from the UV filter says " it reduces the
> excess bluishness the frequently occurs in outdoor colour photography."
> However the polariser tends to heighten blues in the sky and make cloud
> bolder. Will they cancel out to some extent ?
It will cancel out sharpness and increase flare.
Never stack filters, as the possibilities of degraded images increases a
lot.
to put my iron in the first fire, I never use UV or protective filters. If I
need some haze reduction, such as I will in the area around Santa Fe next
month, I use an 81A or such. It is especially valuable at higher altitudes.
Otherwise, with color film, it's a polarizer if required, otherwise I go
commando, so to speak.
With B&W, I frequently use a yellow or red filter. Ggenerally, I use filters
more with B&W than with color. For protection, I use a hood. I find the
rubber hoods especially helpful. The tunnel-like hoods with the Xpan are
especially nice in both protection and flare reduction.
Tulip hoods are, in my opinion, a benefit only to the manufacturer that
wants to save a few grams of plastic pellets, and to the photographer that
demands reversability over effectiveness.
Bill Pearce
>
> Your thoughts appreciated,
>
> Jon
>
>
>
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