Monday, April 19, 2010

class 29/3

Crop Factor

full frame sensor is 24mm X 36mm - which is the same as a 35mm camera

*it is full frame
then 1.3 1.5 1.6

crop factor relates to the cropping of the angle of veiw as a result of the smaller sensor

eg -- if had a 200mm lens with a crop factor of 1.5 - it turns out to be effectively a 300mm

200mm X 1.5= 300

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