Terms starting with L
56 terms · page 3 of 3
Low-dispersion Glass
Special optical glass, marketed as ED, UD, LD or SLD, that bends different wavelengths by more nearly equal amounts.
Lighting & FlashLow-key Lighting
A lighting approach in which most tones sit in the lower half of the range, with a small lit area surrounded by darkness.
Focus & Depth of FieldLow-light AF Rating
The dimmest light level at which a camera's autofocus is specified to work, quoted in EV at a stated aperture and ISO.
Printing, Display & OutputLPI
Lines per inch: the frequency of the halftone screen used in commercial printing.
Exposure & MeteringLuminance
The brightness of a surface as seen from a given direction, measured in candela per square metre.
Post-Processing & RetouchingLuminance Noise Reduction
Processing that smooths brightness variation between neighbouring pixels to reduce the appearance of grain.
Post-Processing & RetouchingLuminosity Mask
A mask generated from the image's own brightness values, restricting an adjustment to a specific tonal range.
Printing, Display & OutputLustre Surface
A semi-gloss paper finish with a fine texture, offering much of gloss's density with reduced reflection.