roots
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Polarizer Filter... Yes Or No?

Wed Mar 03, 2004 2:55 pm

I'm thinking of getting a polarizer filter so I can darken/lighten the sky. I'm curious what other photographers think of using polarizer for photographing airplanes.

BTW, I can imagine a problem being not able to rotate the filter with the lens hood on.
 
hisham
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RE: Polarizer Filter... Yes Or No?

Wed Mar 03, 2004 3:27 pm

I use it mostly to make clouds look more dramatic and to reduce glare on the fuselage. If you just want to darken the blue sky, photoshop will do the job.

One problem is that polarizers eat a lot of light (I think up to 2 stops). It also won't have an effect if the sun is directly behind you. Shoot at 90 degrees from the sun for maximum effect.

Here's an example:


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Photo © Hisham Atallah



Hisham.
 
kc7mmi
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RE: Polarizer Filter... Yes Or No?

Wed Mar 03, 2004 4:41 pm

I leave the polarizer on my 50mm lense most of the time. I am really pleased with the affects that I have pulled off with it...below are some examples:

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Photo © Benjamin R Russell
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Photo © Benjamin R Russell


You definately should invest in a polarizer filter. When used properly it will do so much more for your photos. It can also reduce glare off of windshields and instrument panels.

-Benjamin
 
Woody001
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RE: Polarizer Filter... Yes Or No?

Wed Mar 03, 2004 9:55 pm

Benjamin,

They are two great shots, very nice blue skies, Big thumbs up something we've been lacking here in England the last couple of weeks. Crying

Ian.
If I could just get the afterburner working...
 
kc7mmi
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RE: Polarizer Filter... Yes Or No?

Thu Mar 04, 2004 12:24 am

Thanks Ian. I'm sorry to hear about your dreary weather. We've had a lot of that wet weather over here too, but since we're always dry with clear skies, we welcome clouds and rain.  Smile

-Benjamin
 
rotor1
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RE: Polarizer Filter... Yes Or No?

Thu Mar 04, 2004 3:45 am

I use a polarizer every now and then, usually to slow up the lens or get me blue skies. I probably should be using it more to kill reflections, but I'm lazy  Big grin

Using photoshop to deepen skies is one thing, but a polarizer adds a whole 'nother dimension


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Photo © Mike "Rotor" Nowak



-Mike
The best aviation photo I've ever taken was rejected by Airliners.net
 
voodoo
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RE: Polarizer Filter... Yes Or No?

Mon Mar 08, 2004 1:01 am

Dark blue skies and puffy clouds aside, it does seem to increase colour saturation doesn't it?
` Yeaah! Baade 152! Trabi of the Sky! '
 
rotor1
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RE: Polarizer Filter... Yes Or No?

Tue Mar 09, 2004 5:17 am

I think it does increase saturation because it gets rid of any reflections that could dull up the color. No window reflections = a plus, and it lowers the required shutter speed/f-stops which is cool. Only downside I can find is that on my camera (which isn't exactly a D1 or anything) it increases the visibile noise significantly. No biggie.

Spent some time playing with it the other day... nice.


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Photo © Mike "Rotor" Nowak



-Mike
The best aviation photo I've ever taken was rejected by Airliners.net
 
Daren3006
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RE: Polarizer Filter... Yes Or No?

Tue Mar 09, 2004 6:05 pm

I've never used a polarizer. I've heard though that you need to turn it until you get the shot you want. Is this correct? One reason I've not used one is I feel that I wouldn't be able judge the best shot looking through the view finder. I guess that may just be a little self doubt from a newbie.

Daren
 
kc7mmi
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RE: Polarizer Filter... Yes Or No?

Tue Mar 09, 2004 9:31 pm

Yes, you need to turn the filter to adjust for maximum sky darkness....but it's not too bad. The results are so worth it!

-Benjamin
 
lugonza_2001
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RE: Polarizer Filter... Yes Or No?

Wed Mar 10, 2004 4:54 pm

"Yes, you need to turn the filter to adjust for maximum sky darkness....but it's not too bad"


Hi!

If you have to turn the filter till you get the view you desire, will not you get out of focus as you turn the filter? I guess i should turn the filter before i focus, right?

I am planning to get a filter, my camera is auto-focus, Should i get a circular or a linear polarizer?


Thank You!

 Smile/happy/getting dizzy
 
Staffan
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RE: Polarizer Filter... Yes Or No?

Wed Mar 10, 2004 5:05 pm

Circular, linear only doesn't work with AF.

Staffan
 
wietse
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RE: Polarizer Filter... Yes Or No?

Wed Mar 10, 2004 5:43 pm

That depends. If you have a lens with a fixed front element you can fit a linear polarizer on it. A fixed front element is one that doesnt rotate during the focussing, a lot of Canon L lenses are designed that way

Wietse
Wietse de Graaf
 
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RE: Polarizer Filter... Yes Or No?

Wed Mar 10, 2004 6:23 pm

Polarizers are fantastic especially in landscape photography. I use it a lot there. It darkens the sky in certain angles. However I almost never use it while photographing airplanes except in rare cases when I like to avoid reflections in windows. I think polarizers make metal on planes look a bit dull.
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Staffan
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RE: Polarizer Filter... Yes Or No?

Wed Mar 10, 2004 11:18 pm

Wietse, AF systems in cameras have problems focusing through a linear polarizer, that's why it's usually circular filters that are used with these. Difference between a linear and a circular is that the circular filter (which in fact also has a linear element) has a second element between the linear filter and the lens. This element "unpolarizes" the light in a circular way to make it possible for the AF to work.
This is why it's so difficult to AF through polarized windows such as the ones in cockpits, they are linear.

Staffan

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