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Film comparison

Kodak Tri-X vs CatLABS X FILM 320 Pro

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 Kodak Tri-X Kodak Tri-X CatLABS X FILM 320 Pro CatLABS X FILM 320 Pro
Maker Kodak CatLABS
ISO 320 320
Type B&W negative B&W negative
Process B&W B&W
Status In production In production
Formats — —
Grain (RMS) — —
Resolving power — —
Latitude — —
First released 1940 2022
Reciprocity data No No
Published times 217 15

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.

Kodak D-76
Dilution · °C Tri-X EI 320 X FILM 320 Pro EI 320
stock · 20 °C 9:00 6:00
1+1 · 20 °C 12:45 10:00
Kodak T-Max Developer
Dilution · °C Tri-X EI 320 X FILM 320 Pro EI 320
1+4 · 20 °C 7:15 9:30
Kodak XTOL
Dilution · °C Tri-X EI 320 X FILM 320 Pro EI 320
stock · 20 °C 7:45 11:00