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Subject: "Circular polarizer example of too much" Archived thread - Read only
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bclaff</b>donator_silver
Member since 26-Oct-04
2273 posts		 31-Mar-05, 00:06 AM (GMT+2)
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"Circular polarizer example of too much"
 
   Here is an example where I overused a circular polarizing filter:

12-24mm Nikkor at 24mm f/5 1/1000th second (not post processed, just resized)

Bill

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  Subject     Author     Message Date     ID  
Circular polarizer example of too much [View All] bclaff</b>donator_silver 31-Mar-05 TOP
  RE: Circular polarizer example of too much Bigcapedonator_gold 04-Apr-05 1
     RE: Circular polarizer example of too much bclaff</b>donator_silver 04-Apr-05 2
         RE: Circular polarizer example of too much Bigcapedonator_gold 04-Apr-05 3
             RE: Circular polarizer example of too much bclaff</b>donator_silver 05-Apr-05 4
  RE: Circular polarizer example of too much Beer 05-Apr-05 5
  RE: Circular polarizer example of too much Dave Cdonator_silver 05-Apr-05 6
     RE: Circular polarizer example of too much onimod 05-Apr-05 7
         RE: Circular polarizer example of too much Dave Cdonator_silver 05-Apr-05 8
             RE: Circular polarizer example of too much Bigcapedonator_gold 06-Apr-05 9
     RE: Circular polarizer example of too much bclaff</b>donator_silver 06-Apr-05 10
  RE: Circular polarizer example of too much bclaff</b>donator_silver 06-Apr-05 11
     RE: Circular polarizer example of too much Flaskmoderator 07-Apr-05 12

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Bigcapedonator_gold
Member since 3-Mar-05
76 posts		 04-Apr-05, 05:11 AM (GMT+2)
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1. "RE: Circular polarizer example of too much"
In response to message #0
 
   What do you mean by "overused"? The color of the sky?


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bclaff</b>donator_silver
Member since 26-Oct-04
2273 posts		 04-Apr-05, 05:46 PM (GMT+2)
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2. "RE: Circular polarizer example of too much"
In response to message #1
 
   Sean,

Yes, the sky is too dark, almost back; rather than a dark blue.
I consider it operator error on my part.

Bill

Visit me, info and galleries at: Nikon Photos and Information


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Bigcapedonator_gold
Member since 3-Mar-05
76 posts		 04-Apr-05, 05:54 PM (GMT+2)
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3. "RE: Circular polarizer example of too much"
In response to message #2
 
   LAST EDITED ON 04-Apr-05 AT 05:57 PM (GMT 1)
 
You can see the effect change of the polorizer as you rotate it looking through the lens. So, all you would have had to do would be to back off a bit...right?

Sean


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bclaff</b>donator_silver
Member since 26-Oct-04
2273 posts		 05-Apr-05, 00:10 AM (GMT+2)
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4. "RE: Circular polarizer example of too much"
In response to message #3
 
   Sean,

Yes, it's just an example of what happens if you are careless.
I really should have found a good side by side example

Bill

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Beer
Member since 19-Oct-02
186 posts		 05-Apr-05, 01:25 PM (GMT+2)
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5. "RE: Circular polarizer example of too much"
In response to message #0
 
   IMHO, the problem with this image is not the effect of a polarizer. The problem lies in the underexposure of the whole image.

The white building fooled the meter, and produced an exposure which yielded something nearer to grey than to white.

If you had compensated for the white building (+1 compensation, maybe), the whole image would have looked intense but still natural. And also the sky would have been a dark blue instead of black.


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Dave Cdonator_silver
Member since 10-Mar-02
917 posts		 05-Apr-05, 02:12 PM (GMT+2)
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6. "RE: Circular polarizer example of too much"
In response to message #0
 
   Hi Bill,

I did a little tweak just to get the building white, hope you don't mind. It makes the sky a bit better but it is still a reminder to look at all areas of the viewfinder before pushing the button.

May the light be with you
Dave C
Scottish Nikonian
My Gallery

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onimod
Member since 20-Nov-04
126 posts		 05-Apr-05, 02:54 PM (GMT+2)
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7. "RE: Circular polarizer example of too much"
In response to message #6
 
   I'll bet that building isn't white - it's actually grey, but I do like the white picture better.


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Dave Cdonator_silver
Member since 10-Mar-02
917 posts		 05-Apr-05, 03:25 PM (GMT+2)
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8. "RE: Circular polarizer example of too much"
In response to message #7
 
   Hi,

I went back and looked at the histogram again. The shot is definately underexposed but you are kind of right. I would guess it is slightly off-white rather than grey. The white makes it more dramatic though and the bricks are a nice warm colour.
In my humble opinion.

May the light be with you
Dave C
Scottish Nikonian
My Gallery


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Bigcapedonator_gold
Member since 3-Mar-05
76 posts		 06-Apr-05, 00:49 AM (GMT+2)
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9. "RE: Circular polarizer example of too much"
In response to message #8
 
   Dave, how are you able to look at the histogram when you did not take the shot? I thought that was an in camera thing. Newbe here!

And too, if you don't mind? How are you able to identify the correct color of a photograph from the histogram that is basically a grey scale??

Sean


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bclaff</b>donator_silver
Member since 26-Oct-04
2273 posts		 06-Apr-05, 01:24 AM (GMT+2)
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10. "RE: Circular polarizer example of too much"
In response to message #6
 
   Dave,

Good try, but remember, I was there!

I intentionally did the minimum on the initial post.

Here is the same image corrected for exposure and slightly for white balance:

It's much improved but really the sky is still too blue.
This is because I over polarized and not because it's underexposed.

Respectfully,
Bill

Visit me, info and galleries at: Nikon Photos and Information


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bclaff</b>donator_silver
Member since 26-Oct-04
2273 posts		 06-Apr-05, 01:28 AM (GMT+2)
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11. "RE: Circular polarizer example of too much"
In response to message #0
 
   LAST EDITED ON 06-Apr-05 AT 01:31 AM (GMT 1)
 
Perhaps my first example misses the point because the sky is so uniform it's easy to think it's simply underexposed.

Here is another shot from the same day.

This is not underexposed. The tower is almost blown out!
The sky in the lower right is light blue but the upper sky is too dark.
Again, IMO, I overpolarized this shot.
(In bright sunlight it is pretty hard to review on the LCD, isn't it?)

Bill

Edited to add shooting info:
D70 18-70mm @18mm f/7.1 1/250 ISO200 w/polarizer

Visit me, info and galleries at: Nikon Photos and Information


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Flaskmoderator
Member since 30-Sep-02
3443 posts		 07-Apr-05, 07:04 PM (GMT+2)
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12. "RE: Circular polarizer example of too much"
In response to message #11
 
  


I tend to use my polarizers to reduce reflections only. Only on rare occasions do I use one for landscapes and scenic shots. I like to keep things as real as possible.

http://flaskphoto.com


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