Film comparison
FILM Ferrania Orto vs Ilford Ortho Plus
- Ortho Plus is 0.7 stops faster (ISO 80 vs 50).
Side by side
| Orto | Ortho Plus | |
|---|---|---|
| Manufacturer | FILM Ferrania | Ilford |
| Type | Black & white | Black & white |
| Box speed | ISO 50 | ISO 80 |
| Process | B&W | B&W |
| Formats | 35mm, 120 | 35mm, 120, 4x5, 8x10 |
| Grain | — | Fine |
| Contrast | High | Medium high |
| Latitude | — | Good |
| Saturation | — | — |
| Price, 35mm | — | about £9.00 |
| Price, 120 | — | about £8.00 |
| Availability | Current | Current |
Rows that differ are in bold. Prices are typical UK prices and change often.
How they look
- Orto
- Orthochromatic version of the P30 cine-derived emulsion (2023), with high silver content and strong contrast; development close to P30.
- Ortho Plus
- Orthochromatic film sensitive to blue and green only. Can be handled under red safelight. Reds and oranges render dark.
Which suits what
Better pick: Orto
Architecture
Both work well
Portraits
Better pick: Ortho Plus
Foliage, Darkroom handling
Long exposures (reciprocity)
| Metered | Orto | Ortho Plus |
|---|---|---|
| 1s | No data | 1s |
| 10s | No data | 18s |
| 30s | No data | 1m 10s |
| 2m | No data | 6m 37s |
Corrected exposure from each film’s published reciprocity data. Reciprocity calculator