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Film comparison

ADOX KB 27 / R 27 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 ADOX KB 27 / R 27 ADOX KB 27 / R 27 Ilford Delta 400 Professional Ilford Delta 400 Professional
Maker ADOX Ilford
ISO 400 400
Type B&W negative B&W negative
Process B&W B&W
Status Discontinued In production
Formats — —
Grain (RMS) — —
Resolving power — —
Latitude — −1.0 / +3.0 stops
First released 1973 2001
Reciprocity data No Yes
Published times 0 267

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.

No developer has a time for all of these at the same dilution and temperature

Each film’s own page lists every developer it has published times in.