The Rollei RPX 25 is a black and white film. It was introduced by Rollei in December 2013. It is probably manufactured by Harman Technology (Ilford) on behalf of Rollei.
The Rollei RPX 25 is a black and white film with a sensitivity of ISO 25. This ISO value makes it well suited for shooting in sunshine with an open aperture or long exposures during the day.
It is available as 35mm film and as medium format film. In addition to the RPX 25, there is also the RPX 100 and the RPX 400.
Development of the film
Times for the development of the Rollei RPX 25
| Developer | Dilution | ISO | Time | Temperature |
|---|---|---|---|---|
| D-76 | 1+1 | ISO 25 | 8 min | 20 °C |
| ID-11 | 1+1 | ISO 25 | 8 min | 20 °C |
| Rodinal | 1+25 | ISO 25 | 6 min | 20 °C |
| Rodinal | 1+50 | ISO 25 | 11 min | 20 °C |
| Xtol | 1+1 | ISO 25 | 8 min | 20 °C |
Calculation of the development solution
| Dilution | Developer (ml) | Water (ml) |
|---|---|---|
| 1+1 | 250 | 250 |
| 1+25 | 19 | 481 |
| 1+50 | 10 | 490 |
Sample photos
The pictures were taken with an Olympus OM 2 and a 50 mm f/1.4. Developed Rollei RPX 25 in Rodinal (1+50, 11 minutes, 20 degrees) in a developing can.
