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
- BaseFilm base The clear, flexible support that carries the emulsion. Read more in the glossary ›
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- EmulsionEmulsion The light-sensitive layer of a film: tiny crystals of silver halide held in gelatin. Read more in the glossary ›
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- Spectral sensitivitySpectral sensitivity Which colours of light a film responds to, and how strongly. Read more in the glossary ›
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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)Grain The visible, sand-like texture in a photograph that comes from the clumps of silver or dye that form the image. Read more in the glossary ›
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- Resolving power line pairs / mm
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- Maximum densityDensity How much light a negative, transparency or print blocks. Read more in the glossary ›
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- Latitude overExposure latitude How far a film can be over- or underexposed and still give a usable result. Read more in the glossary ›
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- Latitude under
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- First released
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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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