Fill light is a secondary light that brightens the shadows created by the key light, controlling contrast without adding new visible shadows.
Film photography records images on light-sensitive silver halide emulsion, developed chemically into negatives or slides, the dominant medium before digital.
Flash sync speed is the shortest exposure time at which the whole sensor is uncovered at once, so a single flash burst…
A flash trigger in flash photography is a device that fires one or more flash units remotely when the camera shutter opens,…
Focal length is the optical distance, in millimeters, that sets a lens's magnification and, with sensor size, its angle of view in…
Focus peaking is a manual focus aid that highlights high-contrast edges in the viewfinder to show which parts of the image are…
Focus stacking in photography merges several frames focused at different distances into one image with more depth of field than any single…
Framing in photography composition is the choice of image boundaries and the use of scene elements as a frame that encloses the…
Full frame is a 36 x 24 mm camera sensor format matching 35 mm film, the reference size for crop factor, lens…