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2
questions
3
votes
2
answers
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How does physical aperture size relate to f/stop?
There are two lenses on the market I am comparing
AF Micro-Nikkor 60mm f/2.8D
AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED
If I use the formula for calculating apertures of both the lenses I will use the ...
- 131
2
votes
3
answers
16k
views
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 ...
- 121
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