Film comparison
Ilford Delta 100 Pro vs Silberra Ultima 100
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 Delta 100 Pro
|
Silberra Ultima 100
|
|---|---|---|
| Maker | Ilford | Silberra |
| ISO | 100 | 100 |
| Type | B&W negative | B&W negative |
| Process | B&W | B&W |
| Status | In production | In production |
| Formats | — | — |
| Grain (RMS) | — | — |
| Resolving power | — | — |
| Latitude | −1.0 / +1.0 stops | — |
| First released | 1992 | 2017 |
| Reciprocity data | Yes | No |
| Published times | 107 | 9 |
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 | Ilford Delta 100 Pro EI 100 | Ultima 100 EI 100 |
|---|---|---|
| 1+25 · 20 °C | 9:00 | 6:00 |
Also with a box-speed time for each film, but not at a shared dilution and temperature: Kodak D-76, Kodak XTOL, Photographers' Formulary Pyrocat-HD.