Type a photography term below to find its definition:

 

object
object beam
object distance
objective
objective grating
object-oriented
oblique
OCR
ocular
off-line
off-set
oil-immersion objective
Olympic filter
one-shot
one-time use
one-to-one
on-line
opacity
opal glass
opaque
opaque projector
operating system
optic axis
optic disc
optical activity
optical axis
optical bench
optical blacking
optical blank
optical brightener
optical character recognition
optical contact
optical density
optical distance
optical element
optical fibre
optical flat
optical path difference
optical resolution
optical sapphire
optical spectrum
optical system
optical transfer function
optical transform image modulation
optical viewfinder
optical-grade silicon
optically active material
optics
optoelectronic
optometer
Orange Book
orange peel
orthochromatic film
orthogonal
orthographic camera
orthoscopic
OS
Ostwald ripening
Ostwald system
OTF
otoscope
out-of-date
out-of-focus
out-of-gamut
output
output device
output resolution
out-take
overall distance
overcoat
over-correct
over-develop
overexposure
overhead projector
overlap
overlay
over-sampling
overscanning