Poloriser

[Mr Noble]

Just been playing with my new Circ pol. P164 cokin jobby.


Whilst it does radically affect reflections in water and glass, it seems to do nothing to cloudy skies!


I thought you could massivly change the way the clouds and their linings look with a CP, but it really does nothing.


Explain!

Greg

[beano500]

Mr Noble said:

Explain!

Well have you got all cloud?

It's a blue sky that will be affected, because that's where the rays are coming from that you are going to polarise.....

[jonathanp]

It'll have most effect on the sky when you are shooting at right angles to the direction of the sun, that's where you get the most light scattered in different planes. It won't have any effect shooting towards the sun. You should also find it enhances green foliage.

Jonathan

[Mr Noble]

Thanks chaps, I'll have a little play.

Worked out after posting that its only going to straighten out light that is being reflected into the lens.

Greg

[griffsmith]

Mr Noble said:

Thanks chaps, I'll have a little play.

Worked out after posting that its only going to straighten out light that is being reflected into the lens.

Greg

No strictly speaking, I believe it blocks (not straightens) out light that is polarised in a certain direction. Light becomes polarised when it reflects off glass or water or indeed as it passes through the atmosphere. as such the light waves are aligned in one direction. when the polariser is sent in the appropriate direction it blocks these polorised waves. I presume there are aways random waves from everywhere so it can't make a seen dark...
but someone tell me if I've got it wrong....