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Film comparison

Kodak Tri-X 400 vs Rollei RPX 400

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 Kodak Tri-X 400 Kodak Tri-X 400 Rollei RPX 400 Rollei RPX 400
Maker Kodak Rollei
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 — —
First released — 2014
Reciprocity data No No
Published times 216 59

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.

Ilford ID-11
Dilution · °C Tri-X 400 EI 400 RPX 400 EI 400
stock · 20 °C 7:30 8:00
1+1 · 20 °C 11:00 14:00
1+3 · 20 °C 19:00 25:30
Kodak D-76
Dilution · °C Tri-X 400 EI 400 RPX 400 EI 400
stock · 20 °C 6:45 8:00
1+1 · 20 °C 9:45 14:00
Kodak HC-110
Dilution · °C Tri-X 400 EI 400 RPX 400 EI 400
Dilution B (1+31) · 20 °C 3:45 6:00
Kodak T-Max Developer
Dilution · °C Tri-X 400 EI 400 RPX 400 EI 400
1+4 · 20 °C 6:00 7:00
Kodak XTOL
Dilution · °C Tri-X 400 EI 400 RPX 400 EI 400
stock · 20 °C 7:00 9:00
1+1 · 20 °C 9:00 12:00