Terms starting with U
7 terms
Ultraviolet Photography
Photography using ultraviolet light, either reflected from a subject or as induced visible fluorescence.
Lighting & FlashUmbrella
A collapsible reflective or translucent modifier that spreads light quickly and cheaply over a wide area.
Exposure & MeteringUnderexposure
An exposure that records less light than the scene needs, producing dark, noisy shadows and muddy colour.
Genres, Movements & TheoryUnderwater Photography
Photography made beneath the surface of water, using housings and dedicated lighting.
Post-Processing & RetouchingUnsharp Mask
A sharpening method that subtracts a blurred copy of the image from the original to find and enhance edges.
Post-Processing & RetouchingUpscaling
Increasing an image's pixel dimensions beyond those captured, either by interpolation or by machine-learning reconstruction.
Optics, Lenses & FiltersUV Filter
A clear filter that blocks ultraviolet light, now used mainly as physical protection for the front element.