What is focal-length? Are focal-length and zoom synonymous? How does the focal length of a photo affect it?
What is the ISO setting on my camera? What does it represent? What should I be aware of with regards to ISO when taking photographs
I'd like a clear & easy-to-understand (especially for non-physics-types) explanation of what Hyperfocal Distance is, how it affects photographs, and what determines its value.
How does aperture affect my photographs? Why should I care about the aperture with which a photo was taken?