Orthochromatic (ortho) film

EN: Orthochromatic filter


A green or yellow-green filter used with black-and-white film, it compensates for the difference between the color sensitivity of film and the relative luminous efficiency of the human eye for more natural-looking pictures.
Nikon Grossary



Orthochromatic or ortho

(1) Representing correctly the relations of colors as found in a photographic subject. (2) A photographic emulsion sensitive to all visible colors except red - i.e. an ortho film is sensitive to blue and green light.

Cel Mai folosit cuvant: colors | Domeniu Aplicare : Fotografie | Caractere: 172 Cuvinte: 36 | Limba: Engleza | Sursa Photo Tips



Orthochromatic (ortho) film

Film that is sensitive to only blue and green light.

Cel Mai folosit cuvant: film | Domeniu Aplicare : Fotografie Analog | Caractere: 42 Cuvinte: 11 | Limba: Engleza | Sursa Kodak cine