Rollei Ortho 25 ISO 5x7/25 Sheets

Updated version of the Rollei Ortho 25

The Rollei Ortho 25 is a monochrome photographic film with a nominal sensitivity of ISO 25. The Rollei Ortho 25 is characterized by a high sensitivity reserve of up to two f-stops, depending upon development. The document emulsion offers offers an extraordinary sharpness and extremely fine grain. The Rollei Ortho 25 is suitable for technical-scientific applications and as a half-tone film in the pictorial photography. The highly clear transparent PET substrate opens the possibility of processing as black and white slide film also.

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
• Film may not fit in 5x7 film holders. Manual trimming may be required.