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Canon DSLR Challenge | all galleries >> Challenge 38 : Inanimate Objects (By :Sergio Rojkes) >> Eligible > Crooked Smile*
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01-APR-2005 Olaf.dk

Crooked Smile*

Canon EOS 20D ,Canon EF 50mm f/1.4 USM
1/250s f/16.0 at 50.0mm iso100 with Flash hide exif
Full EXIF Info
Date/Time01-Apr-2005 16:10:49
MakeCanon
ModelCanon EOS 20D
Flash UsedYes
Focal Length50 mm
Exposure Time1/250 sec
Aperturef/16
ISO Equivalent100
Exposure Bias
White Balance (-1)
Metering Modematrix (5)
JPEG Quality (6)
Exposure Programprogram (1)
Focus Distance

other sizes: small medium original auto
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Canon DSLR Challenge08-Apr-2005 11:46
Thanks, Olaf. I sort of came to the conclusion as well that the pattern was caused by the lighting, but I couldn't decide more specifically than that how I thought it was generated. Could it maybe be an interference pattern between the shadow of the comb and the reflection of the comb? -- Victor
Canon DSLR Challenge06-Apr-2005 18:04
Victor, I don't know exactly. I can tell you that it is there in the original 8MP file as well. I had taken "Teeth" first, utilizing sunlight streaming through the window and the shadow was sharp and well defined. When I took this shot, the direct sunlight was no longer entering the room, so I tried using an external flash (550EX remote controlled by ST-E2) instead. As you can see here, the flash was really too close for the shadows to become as sharp and well defined as the sunlit shot (In the original it is obvious there is plenty of DOF here, so the softness is not due to lack of DOF). My guess is that the "interference-pattern" in the shadows has to do with the lighting: The shadow tells you where the flash was positioned, behind the comb and a bit up, but there is perhaps a reflection of the flash in the surface of the tabletop which is causing that "interference-pattern" - just a guess. --Olaf.dk
Canon DSLR Challenge06-Apr-2005 10:32
Interesting, but what causes the moire pattern visible only in the reflection? -- Victor
Canon DSLR Challenge02-Apr-2005 06:52
Lovely...all of them...just simply lovely. Great work! A master of P/S and color choice!

:-D
Canon DSLR Challenge02-Apr-2005 04:55
Well - all of it! This is a black comb on a white table. The color is achieved quite simply by an orange solid color adjustment layer whose blending mode was set to difference. --Olaf.dk
alexeig01-Apr-2005 20:59
Very nice and unusual. I wonder what part of this color is from PS?