A skylight filter is essentially a UV filter with a slight (and hard to see)
tint toward the red. Many folks (not me) use them as a protective cover for
a lens as some would use a UV filter. The filter is often useful at midday
and when there is some haze or other condition where the scene has an
unwanted cold cast. The effect is sometimes too subtle for the eye to
recognize as our eyes (brain) adjust, but the film sees it. My bet is a
subtle difference in development, most likely temperature.
Regards,
Bob...
--------------------------------------
"Those who say that life is worth living at any cost
have already written an epitaph of infamy,
for there is no cause and no person
that they will not betray to stay alive."
Sidney Hook
From: "Hugo Kok" <[EMAIL PROTECTED]>
>
> there have NO filters been used, just plain camera + lens. Yhe
> Hardanger Vidda is on 1100-1300 meter height, so there could be a
> warrant to use skylight. But then again, the results between our two
> systems should be tending towards the same blue-magenta side of the
> spectrum. Moreover, scanning slides made backwards in time this same
> difference is noticed now I've come to this conclusion. I wonder how it
> is that it occured to me so late in time. The difference IS obvious.
>
> It's true that I didn't notice this before and I do realize that the
> blue-ish representation often is more realistic in my eyes. But I
> wondered if there were more fellows having discovered this same trend.
>
> By the way, what does a skylight filter do exactly and when is the use
> of it warranted? Is it some kind of UV filter? Thought of the latter
> that Pentax lenses were coated enough just to leave them be...
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