TYPES OF LENSES

The main division of lenses is between prime and zoom lenses.

Prime lenses have a fixed focal length, i.e 35mm or 50mm. Zoom lenses can adjust between a set amount of focal length, i.e 28-75mm.

PRIME

Prime lenses are specialists with better optics. They’re typically faster (a term meaning wider aperture, e.g f/2.8 or better) sharper, have less aberrations and are both smaller and lighter. They can be cheaper but a quality prime is still typically more expensive than a budget