Crosby
TPF Noob!
- Joined
- Mar 7, 2008
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- 269
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- Location
- Arkansas
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I am seeing a lot of threads mentioning "fast glass." What does this mean? I know we are talking about lenses.
1) Is it in relation to shutterspeed, aperture size, auto focus, or what?
2) When buying a lens, what specs should I look at to know it is 'fast glass'?
Thanks.
1) Is it in relation to shutterspeed, aperture size, auto focus, or what?
2) When buying a lens, what specs should I look at to know it is 'fast glass'?
Thanks.