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FORUMS Photo Sharing & Visual Enjoyment Nature & Landscapes 
Thread started 05 Nov 2010 (Friday) 16:45
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For anyone considering a CPL...

 
cptrios
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Nov 05, 2010 16:45 |  #1

I picked up my first CPL (A Marumi DHG) about a month ago, and I haven't used it all that much but I just wanted to share my most obvious (so far) example of how dramatically it can improve a shot if used well. So hopefully this'll help anyone who's on the fence about dropping some cash on one!

Both of these are SOC with no PP.

No CPL (well, with CPL but turned to minimize the effect):

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/png'


With CPL:
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/png'


Not a particularly great picture...but I just thought it was a pretty remarkable difference!

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ReubenH
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Nov 07, 2010 05:25 |  #2

Commercial Pilots License? Lol. I'm new at this. I don't know what it is (i'm googling now), but that's incredible. I want one!


Edit:
Oh lol, another name for circular polariser, i'm def getting one when i finally get my first DSLR. They look like so much fun to play with.

Those are unedited right, you haven't tweaked the saturation in the second pic?


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CameraBuff
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Nov 07, 2010 11:11 |  #3

That's a great example; "a picture is worth a thousand words".


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plasticmotif
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Nov 07, 2010 11:27 |  #4

Where'd the shadows go?


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Nov 07, 2010 12:05 |  #5

plasticmotif wrote in post #11240622 (external link)
Where'd the shadows go?

My thoughts also. Somethings not right with the before and after.


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tkerr
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Nov 07, 2010 12:23 |  #6

How would the two pictures compare if the exposure were the same?
The Before has half the exposure as the After. 1/800s vs 1/400s shutter speed. That alone makes a difference with or without a CPL filters.


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dansoto
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Nov 07, 2010 12:29 |  #7

tkerr wrote in post #11240875 (external link)
How would the two pictures compare if the exposure were the same?
The Before has half the exposure as the After. 1/800s vs 1/400s shutter speed. That alone makes a difference with or without a CPL filters.

True. I wonder if he had to slow the speed down to compensate for loss of light with the CPL?




  
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TGrundvig
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Nov 07, 2010 12:31 |  #8

plasticmotif wrote in post #11240622 (external link)
Where'd the shadows go?

Look at the EXIF data, one was shot at 1/800 and the other at 1/400.


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TGrundvig
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Nov 07, 2010 12:34 |  #9

tkerr wrote in post #11240875 (external link)
How would the two pictures compare if the exposure were the same?
The Before has half the exposure as the After. 1/800s vs 1/400s shutter speed. That alone makes a difference with or without a CPL filters.

I think we are all accustomed to seeing CPL before and after shots with the foreground exposed for. The illustration being how the CPL brings out the highlights (skies).

In the OP's illustration, the sky was exposed for in both shots, therefore the slower shutter speed brought out the shadows.

Its the same thing, just exposed on a different area. If you can slow down the shutter speed, you bring out the shadows....there's nothing 'not right' about that. It is Photography 101.

Both shots are at the same aperture. The CPL on the slower shutter speed allowed for the shadows to be lifted and the sky to remain the same.


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TGrundvig
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Nov 07, 2010 12:44 |  #10

Here are other examples where the shadows were lifted with a CPL.

http://edkphoto.wordpr​ess.com …three-polarizer-examples/ (external link)

The bottom example looks just like the OP's example with the shadows being lifted and the tree having more color saturation.


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tkerr
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Nov 07, 2010 12:55 |  #11

dansoto wrote in post #11240894 (external link)
True. I wonder if he had to slow the speed down to compensate for loss of light with the CPL?

He probably didn't do it, the camera did. He was using (AE) Aperture Priority mode rather than full manual.


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cptrios
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Nov 08, 2010 09:29 |  #12

Yeah I was in AE mode, so the exposure difference was mostly the camera's doing and not mine (both times I exposed for the sky). Remember I didn't take these pictures for the purpose of comparison...it just turned out that way.

The impressive bit to me is less the difference in the shadows (though the CPL did make that exposure possible) but the DRAMATIC difference in color. When I looked at the second picture I wondered if I'd accidentally flipped to JPEG with some kind of Picture Style going on.


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tkerr
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Nov 08, 2010 10:37 |  #13

cptrios wrote in post #11246033 (external link)
The impressive bit to me is less the difference in the shadows (though the CPL did make that exposure possible) but the DRAMATIC difference in color.

That it is, the second shot is very nice! More vibrant and much less flat than the first.


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Harm
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Nov 08, 2010 12:30 |  #14

Well there is that about the shadows, but also glare. With less light coming through the lens, you would have to compensate and increase the exposure to get a light photo.

Taken with a CPL, purposely in the wrong "direction":

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


2nd photo, taken with CPL rotated to the best rotation for this scenario (in some cases for reflections of water, you'd adjust to maximise for that):
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


1st shot was 1/400s 2nd shot was 1/160s - to make up for the lack of light coming through.

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lostid
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Nov 08, 2010 12:50 |  #15

This reminds me of my first shot with the CPL. Here was the comparison.

With and Without CPL


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For anyone considering a CPL...
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