Film comparison
Ilford FP4 Plus vs Kodak Plus-X Pan
What the catalogue holds about each, and the times they share. A dash means a figure has not been read off a datasheet — nothing here is estimated.
Specification side by side
| Film |
Ilford FP4 Plus
|
Kodak Plus-X Pan
|
|---|---|---|
| Maker | Ilford | Kodak |
| ISO | 125 | 125 |
| Type | B&W negative | B&W negative |
| Process | B&W | B&W |
| Status | In production | Discontinued (2011) |
| Formats | — | — |
| Grain (RMS) | — | — |
| Resolving power | — | — |
| Latitude | — | — |
| First released | 1990 | 1954 |
| Reciprocity data | Yes | No |
| Published times | 89 | 304 |
Developers in common
Each film’s time at its own box speed in the same developer, at the same dilution and temperature. Every time opens the full table for that film in that developer.
| Dilution · °C | FP4 Plus EI 125 | Plus-X Pan EI 125 |
|---|---|---|
| stock · 20 °C | 8:30 | 7:00 |
| 1+1 · 20 °C | 11:00 | 8:00 |
| 1+3 · 20 °C | 20:00 | 13:00 |
| Dilution · °C | FP4 Plus EI 125 | Plus-X Pan EI 125 |
|---|---|---|
| stock · 20 °C | 8:00 | 5:30 |
| 1+1 · 20 °C | 11:00 | 8:30 |
| Dilution · °C | FP4 Plus EI 125 | Plus-X Pan EI 125 |
|---|---|---|
| Dilution B (1+31) · 20 °C | 9:00 | 3:30 |
| Dilution · °C | FP4 Plus EI 125 | Plus-X Pan EI 125 |
|---|---|---|
| 1+4 · 20 °C | 8:00 | 5:45 |
| Dilution · °C | FP4 Plus EI 125 | Plus-X Pan EI 125 |
|---|---|---|
| stock · 20 °C | 8:30 | 5:30 |
| stock · 24 °C | 7:00 | 4:00 |
Also with a box-speed time for each film, but not at a shared dilution and temperature: Kodak T-Max RS.