Film comparison
Foma Bohemia Foma Ortho 400 vs Ilford Ortho Plus
- Foma Ortho 400 is 2.3 stops faster (ISO 400 vs 80).
Side by side
| Foma Ortho 400 | Ortho Plus | |
|---|---|---|
| Manufacturer | Foma Bohemia | Ilford |
| Type | Black & white | Black & white |
| Box speed | ISO 400 | ISO 80 |
| Process | B&W | B&W |
| Formats | 35mm, 120, 4x5 | 35mm, 120, 4x5, 8x10 |
| Grain | Fine | Fine |
| Contrast | — | 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
- Foma Ortho 400
- Orthochromatic (red-blind) B&W negative film; Foma cites good resolving power and sharpness, fine grain and high maximum density, with unusually high speed for an ortho stock.
- 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: Foma Ortho 400
Architecture
Both work well
Portraits
Better pick: Ortho Plus
Foliage, Darkroom handling
Long exposures (reciprocity)
| Metered | Foma Ortho 400 | 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