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25th January 2005
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#1 |
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Member
Join Date: Sep 2003
Posts: 1,791
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Canon 20D + ELP Filter Tests.
 SHUTTER SPEED: 1/320s | APERTURE: f/5 | ISO: 100 Normal Picture, wall is overexposed, metering was taken off the grey card.  SHUTTER SPEED: 1/1s | APERTURE: f/2 | ISO: 100 IR version, using "Brads IR channel swap" action if I'm not wrong, this is 2 x ELP, I believe more than 2 doesn't seem to improve things. |
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25th January 2005
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#2 |
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Member
Join Date: Sep 2003
Posts: 1,791
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This is the source image, white balance not done, (unnecessary cos its raw file)
  I've set white balance to "as shot" before conversion. (ie: using camera auto white balance) |
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25th January 2005
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#3 |
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Member
Join Date: May 2004
Location: Small island....
Posts: 1,566
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So brother.... What's your conclusion?
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25th January 2005
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#4 |
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Member
Join Date: Sep 2003
Posts: 1,791
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nothing yet, I'll try to do some more tmr morning if I manage to wake up early on a wider range of subjects. but I can see the green plant = white thing with the above picture.
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26th January 2005
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#5 |
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Member
Join Date: Sep 2003
Posts: 1,791
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ignore the crappy focusing. didn't know I exerted that much pressure on the lens to cause it to go out of focus.
seems like 2x elp or 3x will do, just need to get proper exposure. unlike d70, trees in shade will be black. as can be seen in the background trees.  SHUTTER SPEED: 1/6s | APERTURE: f/1.8 | ISO: 100  SHUTTER SPEED: 8s | APERTURE: f/1.8 | ISO: 100 |  SHUTTER SPEED: 16s | APERTURE: f/1.8 | ISO: 100  SHUTTER SPEED: 25s | APERTURE: f/1.8 | ISO: 100 |
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