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miamivice
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Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 8:08 am

I usually book a window seat (like many of you, I guess) and try to take some photos during the flight, but slightly often my in flight photos are ruined by reflections generated by the glass of the window (sometimes scratched) and they lose quality. Speaking with some friends came off the topic "polarizing filter" and I'd like to better understand if this tool would be appropriate for window photos during a flight.

Do you have any advice and/or opinion?

Thanks!

Carlo
 
angad84
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 10:32 am

Yes, a circular polariser would do the trick, but only if you have enough light. The filter reduces light hitting the sensor by about one f-stop, or at least it does on my B+W filter. I suppose it varies across brands.

Also keep in mind that you cannot use a hood with a circular polariser, which shouldn't really matter for in-flight window shots, but is worth mentioning for general photography.

Cheers
Angad
 
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miamivice
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 1:08 pm

Thank you Angad. If I buy one of these filters, should I consider some other particular feature?
 
Stealthz
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 3:09 pm

Quoting angad84 (Reply 1):
Yes, a circular polariser would do the trick

NO it won't.. you will end up with a whole lot of rainbow patterns from the "plastic" components of the
window
 
angad84
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 3:09 pm

Quoting miamivice (Reply 2):
Thank you Angad. If I buy one of these filters, should I consider some other particular feature?

Not sure. I don't really use mine for aircraft, mainly landscapes and such.

When I was buying, I just looked at reviews and the B+W was consistently rated highly.

Cheers
Angad
 
Stealthz
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 3:28 pm

Aircraft windows are made of various components some of these are "plexiglass", "Perspex", basically different types of plastic.. this is likely to happen using a polarising filter..

Without a "pol" filter..



With a "pol" filter(and it was a circ polarising filter)




Cheers
 
vikkyvik
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 3:56 pm

Quoting angad84 (Reply 1):
Also keep in mind that you cannot use a hood with a circular polariser

You can't? I've never taken off my lens hood when i've used any filter.
 
angad84
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 5:09 pm

Quoting vikkyvik (Reply 6):
You can't? I've never taken off my lens hood when i've used any filter.

Ugh, I typed that in a hurry.

Should have said: You can't adjust the polariser if you're using a hood.

Cheers
Angad
 
vikkyvik
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RE: Window Seat: Should I Use Polarizing Filter?

Tue Mar 17, 2015 7:41 pm

Quoting angad84 (Reply 7):
Should have said: You can't adjust the polariser if you're using a hood.

Ah. Makes more sense, though that depends on the focal length (and therefore hood length). With my 17-40, it works just fine. 100-400, not so much.
 
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miamivice
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RE: Window Seat: Should I Use Polarizing Filter?

Wed Mar 18, 2015 7:12 am

Thanks mates for all the tips, really helpful for a newbie like me!  
 
ckw
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RE: Window Seat: Should I Use Polarizing Filter?

Wed Mar 18, 2015 8:51 pm

As has been said, a polarizer is likely to make things worse. The best way to avoid reflections is to a) screen the window with a blanket or something and/or press the lens against the window - a cheap rubber lens hood against the glass works well.

Never had any problems with polarizers and hoods - it's a bit awkward, but do -able. Mind you I have long fingers.

I have seen some people have cut slots in the lens hood to allow easy access to the polarizer.

Cheers,

Colin
 
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miamivice
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RE: Window Seat: Should I Use Polarizing Filter?

Wed Mar 18, 2015 9:46 pm

Quoting ckw (Reply 10):
a cheap rubber lens hood against the glass works well

Really interesting, I've found really cheaper solutions on the most famous ecommerce websites. Any tip about for the use of this tool?

Thanks,

Carlo
 
dendrobatid
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RE: Window Seat: Should I Use Polarizing Filter?

Thu Mar 19, 2015 6:49 am

Quoting miamivice (Reply 11):
Really interesting, I've found really cheaper solutions on the most famous ecommerce websites. Any tip about for the use of this tool?

Best tip I can give is to not overuse it.

We are (almost) all the same - get a new 'toy' and you want to play and it is very easy to overuse it. Try it out before you use it on anything important as a Polariser can affect the exposure meter in the camera leading to underxposure as well as the loss of at least a stop.

I believe the patterns in plastics when you use a polariser, not simply a circular one, are caused by internal stresses in the plastic.

Mick Bajcar
 
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miamivice
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RE: Window Seat: Should I Use Polarizing Filter?

Thu Mar 19, 2015 3:28 pm

Quoting dendrobatid (Reply 12):
We are (almost) all the same - get a new 'toy' and you want to play and it is very easy to overuse it. Try it out before you use it on anything important as a Polariser can affect the exposure meter in the camera leading to underxposure as well as the loss of at least a stop.

Yeah I understand and I recognize myself in those kind of people!  
 
ckw
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RE: Window Seat: Should I Use Polarizing Filter?

Fri Mar 20, 2015 2:00 pm

Quoting miamivice (Reply 11):
Really interesting, I've found really cheaper solutions on the most famous ecommerce websites. Any tip about for the use of this tool?


If you mean the rubber lens hood - well it works just like any lens hood, so be sure to get one designed for the particular lens you are using otherwise you'll get vignetting. It has some advantages over the ridged hoods normally supplied with the lens, primarily you can hold it against glass surfaces without clunking the glass, and it will help cancel out any vibrations transmitted through the airframe. You can eliminate most of the internal reflections on the glass this way (though because of the multiple layers of a passenger window, maybe not all).

On the minus side, I find the rubber hoods do tend to perish over time. Also they will not be optimised for the lens, (esp wide angle) as they do not have the petal design.

Colin
 
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miamivice
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RE: Window Seat: Should I Use Polarizing Filter?

Sat Mar 21, 2015 9:08 am

Quoting ckw (Reply 14):
so be sure to get one designed for the particular lens

Oh good to know! Until now I wasn't able to find online something designed for my Zuiko lenses, I've found only something "compatible", but since I wasn't sure to make a good buy I have not yet purchased it.
 
ckw
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RE: Window Seat: Should I Use Polarizing Filter?

Sat Mar 21, 2015 9:15 pm

What you need to check is if it suits the focal length of your lens and matches the filter size.

Cheers,

Colin
 
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miamivice
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RE: Window Seat: Should I Use Polarizing Filter?

Sun Mar 22, 2015 2:37 pm

Thank you Colin!



Carlo
 
jpmagero
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RE: Window Seat: Should I Use Polarizing Filter?

Mon Mar 23, 2015 5:28 pm

Quoting vikkyvik (Reply 8):
Ah. Makes more sense, though that depends on the focal length (and therefore hood length). With my 17-40, it works just fine. 100-400, not so much.

Unless, of course, you have the new hood for the 100-400 mk2  

It has a small sliding opening to allow adjustments to the filters with the hood on.

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