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4
questions
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3
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What is the relationship of aperture, focal length, and ISO in a SLR?
I was using Nikon digital camera, and recently bought a Canon 550D. I am totally new to SLR.
I am not familiar with SLR terms: Aperture, focal length and ISO, and their relation to one another.
What ...
10
votes
3
answers
2k
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What is the technical name for a zoom lens which has a fixed maximum aperture?
What is the technical name for a lens which has the same maximum aperture throughout the entire zoom range?
68
votes
4
answers
153k
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What does f-stop mean?
What does f-stop mean? Is it the same thing when people say "2 stops" for example?
57
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9
answers
144k
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What is aperture, and how does it affect my photographs?
How does aperture affect my photographs?
Why should I care about the aperture with which a photo was taken?