Decisive moment The split-second when all the elements of a photograph simultaneously come together. The decisive moment is associated with Cartier-Bresson, who described photography as “the simultaneous recognition, in a fraction of a second,…
DC This features on the range of Sigma lenses that are designed specifically for use with crop-factor SLRs, and which can’t be used with full-frame models. Sources: Pixabay, NASA,Wikipedia, Susan Wingfield Lamar…
Daguerre, Louis Louis Daguerre (1787-1851) was an artist and inventor who devised one of the earliest photographic processes, the daguerreotype, announced in 1839. It was made by coating a silver-plated copper sheet with light-sensitive…
Darkroom A light-tight room for processing and printing Traditional photographs. Negatives are loaded into the processing tank in complete darkness, while a red/orange safelight can be used at the printing stage. Sources: Pixabay, NASA,…
DA Stands for Digital Auto, which features on a range of Pentax lenses that (unlike some earlier ranges) don’t have a manual aperture ring. They have a ‘Quick Shift’ mechanism that enables you…