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Rollei Ortho 25 Plus 4x5"-5x7"-8x10"

€55.00

Rollei Ortho 25 Plus 4x5"-5x7"-8x10"

€55.00

The ROLLEI ORTHO 25 is a technical, steeply working monochrome photographic film with a nominal sensitivity of ISO 25/15°. The ROLLEI ORTHO 25 is characterized by a high sensitivity reserve of up to two f-stops, depending upon development. The document emulsion offers an extraordinary sharpness of extremely fine grain. The ROLLEI ORTHO 25 is suitable very well for technical-scientific applications and as a half-tone film in pictorial photography. The highly clear transparent PET substrate opens the possibility of application as a b&w slide film also. Properties: - orthochromatic sensitized with low-speed ISO 25/15; - spectral sensitivity 380 – 610nm; - special coating for 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, as a base for negatives with excellent quality; - with “non-curling” backside coating to improve flatness; - especially suited for digital application for scanner;