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Posted in Computing Hardware on Jul 22nd, 2007
If your camera requires that your CF Memory Cards be formatted in FAT32 (Canon 5D, 1DsMII, 1DMIII, Nikon D2X, et. al.), and you format a 12GB or 16GB card in the camera, the card will transmogrify into an 8GB card.
Posted in Color Science on Jul 21st, 2007
Gamma is the rate of change in the luminosity of a pixel relative to the change in that pixel’s input value. At a gamma of 1, a perfectly black pixel will be perfectly black and a fully energized pixel will be perfectly white, with all intermediate steps produced in equal increments. This is the way that most digital camera sensors capture images, and it is termed a “linear” format.
Posted in Extremely Extreme Photoshop on Jul 19th, 2007
The real power in Apply Image used to build a Layer Mask is in the wide latitude you are provided to customize the Layer Mask.
Posted in Photographic Optics on Jul 18th, 2007
The size of a sensor has absolutely no effect on the lens. Decreasing sensor size does not increase the magnification of the lens, reduce aberrations, or increase the depth of field (DOF).
Posted in Color Science, Extremely Extreme Photoshop on Jul 18th, 2007
The classic .jpg compression with which most practitioners are familiar is in fact a “lossy” compression algorithm, and the derogatory effects of the compression increase as the compression is more aggressively applied.
