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Film comparison

Silberra U400 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

Film Silberra U400 Silberra U400 Ilford Delta 400 Professional Ilford Delta 400 Professional
Maker Silberra 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 2018 2001
Reciprocity data No Yes
Published times 11 267

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.

ADOX Rodinal
Dilution · °C U400 EI 400 Delta 400 Professional EI 400
1+50 · 20 °C 7:30 20:00
Kodak D-76
Dilution · °C U400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 7:00 9:30
1+1 · 20 °C 10:00 14:00
Kodak HC-110
Dilution · °C U400 EI 400 Delta 400 Professional EI 400
Dilution B (1+31) · 20 °C 5:00 7:30
Kodak XTOL
Dilution · °C U400 EI 400 Delta 400 Professional EI 400
stock · 20 °C 5:30 7:30