focal length
distance from the lens to the image sensor
aperture
the opening in a lens through which light enters
field of view
ow much of a scene is visible through a lens
depth of field
the amount of a scene that is in focus from front to back
f-stop
a measure of lens “speed” or sensitivity
shot
a section of a video from when recording started to when it ended
pan
to pivot the camera horizontally while recording
tilt
to pivot the camera vertically while recording
zoom
to keep the camera in one location while changing the lens setting to make the image larger
white balance
the calibration of the camera so that colour appears properly
shutter
a circuit that samples the colour values of the image sensor
shutter speed
how many times a second an image is sampled
jump cut
a change of video shot without a transition
transition
crossfade or similar effect providing a smooth change from one shot to the next
framing
the manner in which a subject is placed within the viewing area of the lens
storyboard
a cartoon-like depiction of what action will be shot from what angles
memory card
removable digital storage dvise commonly used in still and vieo cameras
H.254
specific video codec
.mp4
video format
video mode
video resolution in pixels per line and lines per vertical scan
interlaced
video displayed using two successive frames at a time on alternating scan lines
progressive
video displayed using a single frame for all scan lines
aspect ratio
the ratio of width to height for display systems
letterbox
display method of showing 4:3 images on 16:9 systems so to avoid distortion