boxhead
02-02-2008, 02:54 PM
PhotoPixelTest
http://photopixeltest.googlepages.com/PhotoPixelTest.gif
Free download:
http://photopixeltest.googlepages.com/PhotoPixelTest.zip
Home page:
http://photopixeltest.googlepages.com
This tool allows you to check your camera for dead pixels. It also reports hot pixels which depending on the length of the exposure and the threshold used in the test can be attributed to normal noise.
How it works: Make a lens cap shot. Close the lens with your lens cap, also make sure to close the viewfinder so no light can get into the camera. Now make exposures with different shutter speeds ranging from 1/30, 1 second, 2 second and more. Click the ‘Open’ button and select one of the files to be tested. Then click the ‘Test’ button.
http://photopixeltest.googlepages.com/PhotoPixelTest.gif
Free download:
http://photopixeltest.googlepages.com/PhotoPixelTest.zip
Home page:
http://photopixeltest.googlepages.com
This tool allows you to check your camera for dead pixels. It also reports hot pixels which depending on the length of the exposure and the threshold used in the test can be attributed to normal noise.
How it works: Make a lens cap shot. Close the lens with your lens cap, also make sure to close the viewfinder so no light can get into the camera. Now make exposures with different shutter speeds ranging from 1/30, 1 second, 2 second and more. Click the ‘Open’ button and select one of the files to be tested. Then click the ‘Test’ button.