Marumi DHG Super UV Filter 72mm

CMOS - Complementary metal oxide semiconductor

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

Ink - A liquid containing pigments and dyes

Satin - A weaving technique which provides a glossy surface and dull back

Digital - A system that uses only 0s and 1s to transmit data

Glass - A solid, typically transparent. Brittle and used in windows. The first patent granted in the UK was for Glass.

UV - Ultraviolet - a specific wavelength of light invisible to the human eye

Filter - A device used to separate mixtures

Filter - An optical device to remove or enhance particular wavelengths of light.

edge - Enhanced data rates for GSM evolution also known as enhanced GPRS. A mobile phone technology with improved data transmission rates.

edge - The point at which two surfaces meet

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