A simple trick can override your camera's DX reading - The image above illustrates how to trick the DX reading of a simple point-and-shoot camera to expose Kodak Tri-X 400 at 1600 ISO...
the process works with any DX reading camera and with any other exposure count / ISO combo:
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ASA
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1
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2
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3
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4
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5
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6
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ASA
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1
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2
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3
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4
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5
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6
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Frames
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A
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B
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C
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D
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E
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F
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25
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400
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12
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32
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500
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20
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40
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640
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24
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50
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800
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36
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64
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1000
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48
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80
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1250
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60
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100
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1600
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72
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125
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2000
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no std.
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160
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2500
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f-stops
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A
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B
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C
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D
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E
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F
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200
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3200
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+1/2 | -1/2
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250
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4000
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+1 | -1
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320
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5000
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+2 | -1
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+3 | -1
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Comments (5)
how about small square self adhesive aluminum foil?
Posted by sasa | November 15, 2006 12:06 AM
Posted on November 15, 2006 00:06
same thing
Posted by Markus Hartel | November 15, 2006 7:37 AM
Posted on November 15, 2006 07:37
Camera Hacking! Yes! THX for the tip.
Posted by ryangwillim | January 4, 2007 9:43 PM
Posted on January 4, 2007 21:43
Great! I was looking for this!
Posted by cristiano007 | May 22, 2009 9:36 AM
Posted on May 22, 2009 09:36
hi, can you explain to me what is this DX sensor and what can we do if we trick him ? thanks a lot
Posted by Calin Burlan | December 7, 2009 9:29 AM
Posted on December 7, 2009 09:29