Ortho 25 Plus Orthochromatic B&W Negative Film, 35mm
135-36 exp. ISO 25

  • $11.99



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Features

  • 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

Product Details

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). 

 


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