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Heres a shot that I took today using Seeto's Tokina 12-24 and a Marumi DHG C-PL (I almost had to give that filter to Seeto because I trouble getting it off)

The strange thing is the lack of uniformity in the contrast/saturation boost from the C-PL, I should have gotten the ND filters out but I was feeling lazy. Anyone else ever experienced this strange effect with a C-PL?



Thanks for looking, c & c are much appreciated

This may have something to do with the angle of the sun and the filter... What angle were you to the sun when you took this shot? Max effect is 90 degrees I believe..

it definitely has to do with the angle of the light source, def not 90 deg lol

This is normal for a polariser. Unless you are after this effect, polarisers and UW lenses don't mix.

Light is most polarised by the sky at 90 deg to the light source (sun in most cases)
This means that at 90 Deg to the sun, the effect is most marked (as pointed out by others). It decreases progressively as you get closer to inline with the sun. (i.e directly towards or away)

EDIT refer my post in this thread for some examples (I think the photos are still there)
http://dslrusers.net/viewtopic.php?f=25&t=31725&sid=175ed450f620777d52b1fa299c973770

Thanks Mr Darcy, great set really illustrates the effect of a CPL.

Funny that my net downloaded them almost instantly.

I was a little weirded out by the effect in my pic initially but I have come to like it. I think next time I will reach for the ND4 or ND8 though.

sooo Cameron.. how many threads did you cross?

nice experiment, i've been meaning to get a CPL for that lens for a while.. wait.. a UV should come first

-j

that looks alot like Victoria Park, Broadway ?! in particular vic parl pool, correct?!

biggerry wrote::ot:

that looks alot like Victoria Park, Broadway ?! in particular vic parl pool, correct?!

Right on!!