RPX 25
Nominal ISO
25
B&W negative
B&W
In production
Development times
| Developer | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| Supergrain | 1+9 | 25 | 20.0 °C | 4:30 | — |
Verified
Datasheet
|
| Supergrain | 1+12 | 25 | 20.0 °C | 5:30 | — |
Verified
Datasheet
|
| Supergrain | 1+15 | 25 | 20.0 °C | 6:30 | — |
Verified
Datasheet
|
| RLS | 1+4 | 25 | 24.0 °C | 12:00 | — |
Verified
Datasheet
|
| R09 One Shot | 1+25 | 25 | 20.0 °C | 6:00 | — |
Verified
Datasheet
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| Rodinal | 1+25 | 25 | 20.0 °C | 6:00 | — |
Verified
Datasheet
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| R09 One Shot | 1+50 | 25 | 20.0 °C | 11:00 | — |
Verified
Datasheet
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| Rodinal | 1+50 | 25 | 20.0 °C | 11:00 | — |
Verified
Datasheet
|
| R09 Spezial | 1+15 | 25 | 20.0 °C | 5:30 | — |
Verified
Datasheet
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| R09 Studio | 1+15 | 25 | 20.0 °C | 5:30 | — |
Verified
Datasheet
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| R09 Spezial | 1+31 | 25 | 20.0 °C | 7:00 | — |
Verified
Datasheet
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| R09 Studio | 1+31 | 25 | 20.0 °C | 7:00 | — |
Verified
Datasheet
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| ID-11 | 1+1 | 25 | 20.0 °C | 8:00 | — |
Verified
Datasheet
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| Perceptol | 1+1 | 25 | 20.0 °C | 10:00 | — |
Verified
Datasheet
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| D-76 | 1+1 | 25 | 20.0 °C | 8:00 | — |
Verified
Datasheet
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| XTOL | 1+1 | 25 | 20.0 °C | 8:00 | — |
Verified
Datasheet
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| HC-110 | Dilution B (1+31) | 25 | 20.0 °C | 5:00 | — |
Verified
Datasheet
|
| Ultrafin Plus | 1+4 | 25 | 20.0 °C | 5:00 | — |
Verified
Datasheet
|
Development times by developer
14 developers
Link to this page
Specification
- Base
- Polyester
- Emulsion
- —
- Spectral sensitivity
-
Panchromatic — what this means
Sensitive to the whole visible spectrum, so colours turn into greys roughly the way the eye weighs them. This is what almost every general-purpose black and white film is. It has to be loaded and developed in complete darkness — no safelight is safe for it.
- Grain (RMS)
- —
- Resolving power line pairs / mm
- —
- Maximum density
- —
- Latitude over
- —
- Latitude under
- —
- First released
- 2014
A dash means the figure has not been read off a datasheet. Nothing here is estimated.
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Written by photographers, under their own profile — so you can see what they shoot before you weigh what they say.
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Notes on how this behaves in practice — what it does in the field is worth as much as what the datasheet says.
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