My circular polarizing filter doesn't seem to have a very wide change spectrum?

[iris]

Do circular polarizing filters come in various strenghts or ranges of change?  ARe all C-polarizing filters the same?  Yes, I know how to use them. I know the 90degree angle to the sun and all that ...I feel that I should be able to rotate the filter and see through the lens excactly what the change will be...frankly I find it very difficult to see the amount of change in the blue of the sky using the filter that I have....shouldn't you be able to rotate the filter and observe the change gradations?  Shouldn't they be obvious as in a ND filter?  Should I ask for a "stronger" polarizing filter?

[Waddizzle]

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@iris wrote:

It occurred to me the other day that if the 90 degree angle rule to the sun is always applied, one can only get good blue sky effect faceing North or South....youll never be 90 degrees to the sun facing East or West?

I find some of the best use for polarizing filter for seeing though windows or removing glare from surface water.....

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You can get dramatically blue skies during the golden hours, too.

[ebiggs1]

"...one can only get good blue sky effect faceing North or South....youll never be 90 degrees to the sun facing East or West?"

Yo always get blue skies in Photoshop!  

[logan78]

I followed the method you have posted and it did not work out for me and I am a user of canon error b200 and I purchased it 2 months ago.

[yopifaklo]

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@iris wrote:

Do circular polarizing filters come in various strenghts or ranges of change?  ARe all C-polarizing filters the same?  Yes, I know how to use them. I know the 90degree angle to the sun and all that ...I feel that I should be able to rotate the filter and see through the lens excactly what the change will be...frankly I find it very difficult to see the amount of change in the blue of the sky using the filter that I have....shouldn't you be able to rotate the filter and observe the change gradations?  Shouldn't they be obvious as in a ND filter?  Should I ask for a "stronger" polarizing filter?

[links removed per forum guidelines]

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I look through the lens and turn it  how much I am affecting the "blueness of those patches".  I thought you were supposed to be able to see those changes as you rotate the lens...but I have not found much success noting those changes using the LD display or through the lens

[RobertTheFat]

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@yopifaklo wrote:

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@iris wrote:

Do circular polarizing filters come in various strenghts or ranges of change?  ARe all C-polarizing filters the same?  Yes, I know how to use them. I know the 90degree angle to the sun and all that ...I feel that I should be able to rotate the filter and see through the lens excactly what the change will be...frankly I find it very difficult to see the amount of change in the blue of the sky using the filter that I have....shouldn't you be able to rotate the filter and observe the change gradations?  Shouldn't they be obvious as in a ND filter?  Should I ask for a "stronger" polarizing filter?

[links removed per forum guidelines]

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I look through the lens and turn it  how much I am affecting the "blueness of those patches".  I thought you were supposed to be able to see those changes as you rotate the lens...but I have not found much success noting those changes using the LD display or through the lens

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Remember that when you're looking through the lens, the lens is at full aperture, which is not necessarily the aperture at which the image will be captured. You might get more accurate results by using the preview button.

[sergiuslane]

Polarizing filters, first of all, are made to reduce reflections. A polarizing filter can occasionally be used when a longer exposure is necessary. For example, when photographing waterfalls, it is an indispensable tool. If you are thinking that a polarizing filter is just needed to create the sky bluer, you certainly require some help in understanding their principal function.

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[iris]

I have stopped,using the polarizing filter except for lowering glare and haze in otherwise BLUE skies. It 8s also great for taking glare off of water....I Now meter for the sky and usually under expose it....and usually just opening shadows in PS does the rest.

[guitarpicker7]

Grey, overcast sky is caused by clouds. Clouds disperse the sunlight from behind in every direction. That light is UnPolarized. You are using a Polarizing Filer, designed to filter out Polarized Light. As you turn the filter, you won't see a difference because there is none. FYI: It might help to Google POLARIZED LIGHT to learn what "polarized light" means. Happy Fotoing!

[JosephOwen]

it might be teh cheap polarizers. Go for best polarizers to get the best results. basically they have many varients according to their strengths. so take higher to one to see the change

[jimmy1]

If you used a polarizer in the film days you might be disappointed by they way they work with digital because the effect isn't as dramatic. Same goes for comparing a polarizer to polarized sunglasses. 

I have no idea if this is correct, but I assume the reason is that lenses today are better at cutting through glare. 

They still have their uses and they still make blue skies bluer and let you see past the glare on water so I don't leave home without mine. 

But yes, you're correct, they don't change images as much as I remember them doing in the 80s.