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Film comparison

Foma Ortho 400 vs Ilford Delta 400 Professional

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.

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Specification side by side

Table 1
Film Foma Ortho 400 Foma Ortho 400 Ilford Delta 400 Professional Ilford Delta 400 Professional
Maker Foma Ilford
ISO 400 400
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 / +3.0 stops
First released 2023 2001
Reciprocity data No Yes
Published times 22 267

Developers in common

Table 2

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.

Fomadon Excel W27
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 6:00 7:00
Fomadon P
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 9:30 10:00
Fomadon R09
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
1+50 · 20 °C 10:00 18:00
Ilford ID-11
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 7:00 9:30
Ilford Microphen
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 8:00 6:30
Kodak D-76
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 7:00 9:30
Tetenal Ultrafin Plus
Dilution · °C Foma Ortho 400 EI 400 Delta 400 Professional EI 400
1+4 · 20 °C 7:00 7:30