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ctfchallenge | all galleries >> Challenge 81: Perspective Disproportion >> Challenge 81 : Eligible > Thousand Times *
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19-MAY-2005 Oved

Thousand Times *

A double challenge - to come up with a new idea (after seeing some here and thinking "why didn't I think of it?"), and to have both the coin and the 10000 Lireta note not too blurry :-)

Canon PowerShot S1 IS
1/4s f/8.0 at 5.8mm hide exif
Full EXIF Info
Date/Time19-May-2005 16:22:15
MakeCanon
ModelCanon PowerShot S1 IS
Flash UsedNo
Focal Length5.8 mm
Exposure Time1/4 sec
Aperturef/8
ISO Equivalent
Exposure Bias0.00
White Balance (-1)
Metering Modematrix (5)
JPEG Quality (6)
Exposure Program
Focus Distance

other sizes: small medium original auto
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ctfchallenge20-May-2005 19:41
OOPS, just saw my typo: coin size is 22mm not 12. \Oved
ctfchallenge20-May-2005 19:08
Abstract, the first setup you suggested had exactly the numbers I calculated! I had a test shot just before I read your last comment. The DOF was fine, but I was not satisfied with the disproportion. Might be because I had the composition changed too. I'll try again tomorrow, and then decide.
\Oved
ctfchallenge20-May-2005 16:23
Oved, with this setup f/8, at 5.8mm...i would set camera in MF and set it to focus at 15in. put coin at 11in and note at 27in...finally, tight crop. i have tried that settings before and it should give you enough disproportion.
OR
set MF to hyperfocal distance about 33in and coin at 17in...note placement should not matter.
-Abstract
ctfchallenge20-May-2005 08:43
Thanks Pedro and Abs. Pedro, the coin diameter is 12mm (7/8"), the note 133X70mm. Abstarct, like you I have just mosedt equepment - I used a tripod with the S1 IS, set the money on a table and took numerous shots, light coming in through the windows. I now did some DOF calculations, and it seems that at the distance the coin was from the lens there was no way to get both in focus (Note to myself: calculations should be the first step, not after shooting:). I may try to shoot again if I have the chance, but I guess the disproportion won't be as pronounced with both inside the DOF. \Oved
ctfchallenge20-May-2005 00:06
oved, nice title and nice conceptual disproportion size/value. imho you should try to get coin more in focus though. -Abstract
Guest 19-May-2005 23:25
What's the real size of the coin? I like the title.