Ortho Plus
Nominal ISO
80
B&W negative
B&W
In production
Development times
Open in the calculator ›| Developer | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| ID-11 | 1+1 | 80 | 20.0 °C | 10:30 | Ilford — 4 inversions every 60 s | |
| ID-11 | 1+3 | 80 | 20.0 °C | 16:00 | Ilford — 4 inversions every 60 s | |
| ID-11 | stock | 80 | 20.0 °C | 8:00 | Ilford — 4 inversions every 60 s | |
| Ilfosol 3 | 1+14 | 80 | 20.0 °C | 7:00 | Ilford — 4 inversions every 60 s | |
| Ilfosol 3 | 1+9 | 80 | 20.0 °C | 5:00 | Ilford — 4 inversions every 60 s | |
| Ilfotec DD-X | 1+4 | 80 | 20.0 °C | 10:30 | Ilford — 4 inversions every 60 s | |
| Ilfotec HC | 1+15 | 80 | 20.0 °C | 4:00 | Ilford — 4 inversions every 60 s | |
| Ilfotec HC | 1+31 | 80 | 20.0 °C | 6:00 | Ilford — 4 inversions every 60 s | |
| Microphen | 1+1 | 80 | 20.0 °C | 11:30 | Ilford — 4 inversions every 60 s | |
| Microphen | 1+3 | 80 | 20.0 °C | 13:30 | Ilford — 4 inversions every 60 s | |
| Microphen | stock | 80 | 20.0 °C | 9:00 | Ilford — 4 inversions every 60 s | |
| Perceptol | stock | 80 | 20.0 °C | 13:00 | Ilford — 4 inversions every 60 s | |
| Ilfotec DD | 1+4 | 80 | 24.0 °C | 5:30 | Machine — continuous | |
| Ilfotec RT Rapid | 1+1+2 | 80 | 26.0 °C | 1:05 | Machine — continuous | |
| Ilfotec RT Rapid | 1+1+5 | 80 | 26.0 °C | 1:18 | Machine — continuous |
Development times by developer
8 developers
Link to this page
Specification
- Base
- —
- Emulsion
- —
- Spectral sensitivity
-
Orthochromatic — what this means
Sensitive to blue and green but effectively blind to red. Reds go very dark and blues go light, which is why skin blemishes stand out and skies wash out. The compensation is that it can be handled under a deep red safelight, so you can watch it develop.
- Grain (RMS)
- —
- Resolving power line pairs / mm
- —
- Maximum density
- —
- Latitude over
- —
- Latitude under
- —
- First released
- —
A dash means the figure has not been read off a datasheet. Nothing here is estimated.
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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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