Tagged Questions
21
votes
5answers
3k views
Are there general rules for selecting the correct shutter speed and ISO in manual mode?
I have purchased my first DSLR (a Canon 500D) and have been playing around quite a lot within the aperture priority mode, with auto shutter speed and ISO.
Anyways as I would like to become a better ...
1
vote
2answers
424 views
What is the quantitative relation between f/# of the lens (aperture), exposure, and ISO?
Let's say we shoot with a DSLR camera and we have two interchangeable lenses.
Lens #1 has aperture f/X, X between 1 and 2 (see below).
Lens #2 is f/4.5. Same focal length and other characteristics as ...
