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Ilford Delta 100 Pro vs Potsdam 100
Specification side by side
Table 1
Film
Maker
Ilford
Lomography
ISO
100
100
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 / +1.0 stops
—
First released
1992
2019
Reciprocity data
Yes
No
Published times
107
7
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.
Dilution · °C
Ilford Delta 100 Pro EI 100
Potsdam 100 EI 100
1+25 · 20 °C
9:00
7:00
1+50 · 20 °C
14:00
9:30
Dilution · °C
Ilford Delta 100 Pro EI 100
Potsdam 100 EI 100
1+1 · 20 °C
11:00
7:00
Dilution · °C
Ilford Delta 100 Pro EI 100
Potsdam 100 EI 100
1+9 · 20 °C
5:00
6:00
Dilution · °C
Ilford Delta 100 Pro EI 100
Potsdam 100 EI 100
stock · 20 °C
9:00
5:30
Also with a box-speed time for each film, but not at a shared dilution and temperature: Kodak XTOL .
A reference for film photography. Every published development time carries the datasheet it came from — spotted a mistake? Use “Suggest a time or report a mistake” at the foot of any film page.
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