Zoom lens: has a range of lenses and can zoom in and out
Prime lens: has only one focal length and cant zoom out, tend to be more portable, tend to produce sharper images then zoom lenses, are cheaper than a zoom lens, not as convenient as zoom
Wide lens:exaggerate distance, are 24-35 millimeters
Normal lens:
Telephoto lens:
Focal length: is marked on lens
Aperture: opening on the back on the lens
Fixed Aperture: has complex insides that allows you to maintain a fixed aperture
Fast/Slow Lenses:slow lenses can only open to 3.5
Field of View (FoV): how much stuff you can see in the frame
Perspective:
Lens Distortion:wide angel lenses tend to produce lens distortion, things towards the edge of the field of view can get distorted
Lens Compression: longer focal lengths cause lens compression, is more flattering for close ups,
Filters:
Macro: if your lens is capable of macro photograph it will say macro on the lens
Lens Mounts: interchangeable cameras have different lens mounts, make sure you have a camera
Cinema Lenses: are designed specifically for film making, has bigger zoom lenses
Lens Breathing: when you use a photography lens you can get some lens breathing when the focus changes ever so slightly, even worse if you use non cinema lenses
Cleaning Lenses: start with a blower to blow things off, don’t ever put cleaning solution on the lens
Lens Protection: screw a uv filter on the lens, use lens hood acts as a bumper for your lens