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Thread started 16 Jun 2004 (Wednesday) 15:51
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polarizer

 
c0ntr0lz
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Jun 16, 2004 15:51 |  #1

got the 55mm quantaray circular polarizer today and here are the test shots

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now when i shot i'll have to over expose

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scottbergerphoto
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Jun 16, 2004 19:53 |  #2

The camera will automatically compensate for the light loss unless you are in Manual mode. In Manual, just move the exposure to center the needle and compensate for very white or black subjects.
Scott


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Scott
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c0ntr0lz
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Jun 17, 2004 01:02 |  #3

when i started using the camera i was using M but now i let it sit in P
so it runs itself


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Olegis
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Jun 17, 2004 01:11 |  #4

The polarizer filter works the best (or "has the maximum effect" in another words) in the mornings and in the evenings when the sun goes low, and when you're pointing the camera to 90 degrees angle from the sun direction :

IMAGE: http://www.cs.mtu.edu/~shene/DigiCam/User-Guide/2500/Accessories/Filters/Polarizers/polarizer-angle.jpg
image taken from this page (external link), which is also a good source for info on polarizers

The Luminous landscape site has a great article (external link) on polarizers as well.

Best wishes,
Oleg.

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c0ntr0lz
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Jun 17, 2004 02:35 |  #5

cool thanks for the link
and the info


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scottbergerphoto
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Jun 17, 2004 05:47 |  #6

The image with the polarizer looks darker because the polarizer makes blue skies look darker. You can adjust that in levels. I would leave the exposure settings alone, with regards to the sky, The foreground (house) is under exposed in both pictures because the camera meter is being fooled by the bright sky. This is not a result of the polarizer. You can take a reading off the house and one off the sky and pick a setting in between the two. Alternatively you could lose the polarizer and use a split ND filter to darken the sky so that its exposure is closer to the foreground.
Regards,
Scott


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c0ntr0lz
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Jun 17, 2004 15:56 |  #7

ok kool thanks


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