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Feb 04

Digicam Info

Found a few informative links related to digital photography. This first article explains why when you affix a standard lens to a DSLR the focal length (zoom) changes and is given as an “equivalent” millimetre rating.

The second article, which is fairly technical, attempts to compare relative image quality between digital media and traditional film media. Interestingly, an 11mp camera like the Canon 1Ds will output photos of a quality that marginally exceeds standard 35mm film. This means that all the benefits of film cameras are slowly being eroded away. Once the price for processing digital images falls to a level comparable to processing rolls of film (it’s still always nicer to have photos you can physically handle), film cameras will really start to wane.

DOFMaster is a program that prints out “circles of confusion”. The circles give you the range that will be in focus (the depth of field) given a certain aperture and focal length.