Then looking at a lens name there is a lot of acronyms in the name describing it's features (often specific to the manufacturer). Examples, Nikon: Nikon AF-S DX 16-85mm VR f/3.5-5.6G IF-ED Nikon ...
What is the point at which a lens is considered "ultra-wide angle" vs just wide angle?
What is Chromatic Aberration? Is it a physical part of the lens, or just an optical illusion?
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?