Rollei RPX 25 is a low-speed, panchromatic, black and white film with a nominal sensitivity of ISO 25/15°.
The Rollei RPX 25 has a high sensitivity reserve of one f-stop, depending upon development. In many developers a speed of ISO 40/17° can be reached. The film base is transparent. The RPX 25 has much stronger contrast than RPX 100 and 400.This film has fine grain and good sharpness.
1x Rollei RPX 25 4x5/25 Sheet