Extremely high resolving power, suited for general graphic purposes
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 offers an extraordinary sharpness extreme fine grain. The ROLLEI ORTHO 25 is suitable very well for technical-scientific applications and as a half-tone film in the pictorial
Properties:
- orthochromatic sensitised with low speed ISO 25/15;
- spectral sensitvity 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, as a base for negatives with an excellent qualityh;
- with “non-curling” backside coating to improve flatness;
- especially suited for digital application for scanner;
© Ivan Nehara, Tschechische Republik