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Polarising filter


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45 replies to this topic

#1 danaa

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Posted 30 January 2013 - 18:20

Do you still use a polarising filter?
Dan

#2 arthurking83

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Posted 31 January 2013 - 02:47

yep! .. almost always for me.

#3 Alan7140

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Posted 31 January 2013 - 02:53

For photographic copy work only.

#4 Jan Anne

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Posted 31 January 2013 - 03:15

Yes, the Nikon slim CPL 77mm but I haven't used it in years as I've sold all my 77mm zooms.

Only the mediocre are always at their best....

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#5 Amberglass

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Posted 31 January 2013 - 08:23

Yes, and it's the only filter that really can't be fully reproduced in post processing successfully. Well at least for me that is.
I think that emotional content is an image's most important element, regardless of the photographic technique. Much of the work I see these days lacks the emotional impact to draw a reaction from viewers, or remain in their hearts.  Anne Geddes

#6 Alan7140

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Posted 31 January 2013 - 09:55

Yes, and it's the only filter that really can't be fully reproduced in post processing successfully. Well at least for me that is.


Nor for anyone else.
Polarizers change the physical nature of naturally incoherent reflected visible light into coherent, aligned (polarized) rays. This cannot be done after the incoherent rays have been captured as such, it has to be done between the source and the capture.

#7 Bjørn J

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Posted 31 January 2013 - 12:38

Of course I use polarizing filters when needed. Other filters I use are ND-grads, and ND-filter (Big Stopper and Vari-ND) when I want less light to reach the sensor.
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#8 Bart Willems

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Posted 31 January 2013 - 12:44

Yes, and it's the only filter that really can't be fully reproduced in post processing successfully. Well at least for me that is.


Please advise me on how to apply the time stretching abilities of an ND-filter in post :)
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#9 wildoat

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Posted 31 January 2013 - 12:55

Please advise me on how to apply the time stretching abilities of an ND-filter in post :)

Yeah I'd like to know that one too :)
 

 

 

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#10 Amberglass

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Posted 31 January 2013 - 15:26

Please advise me on how to apply the time stretching abilities of an ND-filter in post :)


It's easy really. 3 consecutive shots of Tequila with one fast face plant on the desk in front of the monitor you're editing from LOL. :D
I think that emotional content is an image's most important element, regardless of the photographic technique. Much of the work I see these days lacks the emotional impact to draw a reaction from viewers, or remain in their hearts.  Anne Geddes

#11 seric

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Posted 31 January 2013 - 20:27

I could see if being possible by blending multiple exposures in some circumstances.
--
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#12 danaa

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Posted 01 February 2013 - 07:32

OK, I have to upgrade my old ones. There are some from Hoya that can be used for "wide angle" too.
Dan

#13 JohnBrew

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Posted 01 February 2013 - 12:39

I use a B+W 82mm Kasseman MRC circular to fit a Zeiss 21 and with a 77mm step down ring for Nikon glass. I also have a Hoya, but it's really a piece of junk.

#14 danaa

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Posted 01 February 2013 - 14:02

Ah, step-down rings may be a suitable solution. I do have a 77mm B+W but it is rather thick.
Do you really think that all Hoya is junk?
Dan

#15 JohnBrew

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Posted 01 February 2013 - 20:12

Nope, just the one I have :D .

One problem with using a step-down ring is you can't use the hood which can be a giant pita.

Edited by JohnBrew, 01 February 2013 - 20:14 .


#16 Colin-M

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Posted 01 February 2013 - 20:18

Hey guys, from a simple question we have a whole load of replies.....

...but no one's posted some examples, or reasons why they still find these so valueable. I'm sure some of you have some gems that will inspire danaa to try using one a bit more.
Colin
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#17 helioer

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Posted 01 February 2013 - 21:51

Yep. Polarizers are the only filters I carry in my bag these days. When I shot film I carried a full stack of Cokin filters...

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#18 Alan7140

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Posted 02 February 2013 - 07:09

Well probably that the OP didn't ask for examples was the reason no-one posted any.

Why you use the contra-polarizing technique in copying photographs (photographing stippled paper without polarized lights & lens filter at left):

Posted Image

For silvered photographs:

Copy without polarizers, restoration after copying with polarizers and retouching.
Posted Image

Sorry, I couldn't find any bigger saved files.

Edited by Fred Nirque, 02 February 2013 - 12:41 .

  • yunfat and Colin-M like this

#19 Tejpor

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Posted 02 February 2013 - 09:05

Very englightening, Fred. Thanks for the tip!

#20 danaa

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Posted 02 February 2013 - 09:22

I have done a lot of copying work, but never thought on using a polarising filter. I will try so next time. Thanks!
  • yunfat likes this
Dan




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