Top Results for Orthochromatic
Ilford Ortho Plus is a black-and-white negative film with an orthochromatic spectral response. Unlike panchromatic films, orthochromatic materials have limited sensitivity to red light, which changes how colored subjects are rendered as shades of gray. Ilford markets Ortho Plus for applications such...
Why this score
Distinctive specialist film offering high sharpness and controllable contrast, with restricted red sensitivity limiting everyday versatility.
Scoring methodology
Rollei Ortho 25 is a very slow, orthochromatic black-and-white negative film with a nominal sensitivity of ISO 25. It is designed for photographers who want high resolving power and strong tonal separation in controlled lighting. The film is available in 35 mm, 120 roll film, bulk 35 mm, and selecte...
Why this score
Exceptionally sharp, fine-grained specialist film with distinctive tonal response, constrained by very low speed and orthochromatic rendering.
Scoring methodology
