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Old Apr 3, 2007, 7:13 PM   #6
TDN
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Maybe mention for people new to photography that any lens with an f number of 2.8 or lower, is referred to as a "fast" lens. (referring to the faster shutter speed you can use when you have more light available)


Also, check this out: http://www.visual-memory.co.uk/sk/ac/len/page1.htm

it's an f/0.7 (!!!) lens Stanley Kubrick used to film by candlelight.
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