CMS 20 II PRO

Nominal ISO

20

Process

B&W

Status

In production

First released

—not given

Available formats

—not given

BaseFilm base The clear, flexible support that carries the emulsion. Read more in the glossary ›

PET

EmulsionEmulsion The light-sensitive layer of a film: tiny crystals of silver halide held in gelatin. Read more in the glossary ›

Hybrid

Spectral sensitivitySpectral sensitivity Which colours of light a film responds to, and how strongly. Read more in the glossary ›

Orthochromatic ? — what this means

Sensitive to blue and green but effectively blind to red. Reds go very dark and blues go light, which is why skin blemishes stand out and skies wash out. The compensation is that it can be handled under a deep red safelight, so you can watch it develop.

Grain (RMS)Grain The visible, sand-like texture in a photograph that comes from the clumps of silver or dye that form the image. Read more in the glossary ›

14.0

Resolving power, line pairs / mm

800

Maximum densityDensity How much light a negative, transparency or print blocks. Read more in the glossary ›

—not given

Latitude overExposure latitude How far a film can be over- or underexposed and still give a usable result. Read more in the glossary ›

—not given

Latitude under

—not given

A dash means the figure has not been read off a datasheet. Nothing here is estimated.