Orthochromatic sensitized with low speed ISO 25/15
Spectral sensitivity 380 - 610nm
Special coating for an improvement of the transport properties of the cameras
Suitable for daylight and tungsten
Polyester base support guarantees the highest level of archive stability (LE 500)
Excellent resolving power of 330 lines/mm
Extreme fine grain and highest sharpness
Non-curling backside coating to improve flatness
Especially suited for scanning
Rollei was founded in 1920 and is known for its top-of-the-line Rolleiflex and Rolleicord medium-format cameras. No longer producing cameras, MACO is now the licensee of the Rollei brand products, that includes a line of black and white films. Rollei’s films range from 25 ISO panchromatic fine-grained film to other film types like the near-infrared 400 ISO and the ultra-sharp Ortho Plus 25 ISO orthochromatic.
A technical, orthochromatic black and white photographic film. Rollei ORTHO Plus 25 has a nominal sensitivity of ISO 25. Rollei ORTHO is characterized by a high sensitivity reserve of up to two f-stops, depending upon development.
The document emulsion offers exceptionally fine grain images with high sharpness. Rollei ORTHO 25 is ideal for technical and scientific applications and as a half-tone film for pictorial photography (e.g. street photography, landscape photography, portraits).