Film comparison
Foma Bohemia Foma Ortho 400 vs Rollei/Maco Ortho 25 Plus
- Foma Ortho 400 is 4 stops faster (ISO 400 vs 25).
- Ortho 25 Plus has finer grain.
Side by side
| Foma Ortho 400 | Ortho 25 Plus | |
|---|---|---|
| Manufacturer | Foma Bohemia | Rollei/Maco |
| Type | Black & white | Black & white |
| Box speed | ISO 400 | ISO 25 |
| Process | B&W | B&W |
| Formats | 35mm, 120, 4x5 | 35mm, 120, 4x5 |
| Grain | Fine | Very fine |
| Contrast | — | — |
| Latitude | — | — |
| Saturation | — | — |
| Price, 35mm | — | — |
| Price, 120 | — | — |
| 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 25 Plus
- Very fine grained, high-resolution orthochromatic film; replaced Rollei Ortho 25 in 2017.
Which suits what
Better pick: Foma Ortho 400
—
Both work well
Portraits, Architecture
Better pick: Ortho 25 Plus
Copy work
Long exposures (reciprocity)
| Metered | Foma Ortho 400 | Ortho 25 Plus |
|---|---|---|
| 1s | No data | 1s |
| 10s | No data | 20s |
| 30s | No data | 1m 15s |
| 2m | No data | 6m |
Corrected exposure from each film’s published reciprocity data. Reciprocity calculator