rolllog

Development times

Ilford Delta 100 Professional in Ilford Perceptol

6 times for 1+1, 1+3, stock, EI 50–100, 20 °C. From HARMAN technology DELTA 100 PROFESSIONAL Technical Information (2023-04).

Box speed (EI 100), 20 °C, 1+1, intermittent
17:00
Box speed (EI 100), 20 °C, 1+3, intermittent
22:00
Box speed (EI 100), 20 °C, stock, intermittent
15:00

Times

1+1 · intermittent

Ilford Delta 100 Professional in Ilford Perceptol 1+1 · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
5013:00
10017:00

1+3 · intermittent

Ilford Delta 100 Professional in Ilford Perceptol 1+3 · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
5016:00
10022:00

Stock · intermittent

Ilford Delta 100 Professional in Ilford Perceptol Stock · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
5012:00
10015:00

Source: HARMAN technology DELTA 100 PROFESSIONAL Technical Information (2023-04)

Time in min:sec. A dash means the source gives no time for that combination; rolllog doesn't fill gaps. These are starting points: test with your own process.

Ilford Delta 100 Professional in other developers

Other films in Ilford Perceptol

Same data from the API

curl "https://rolllog.io/api/v1/films/ilford-delta-100/dev-times?developer=ilford-perceptol"

All of Ilford Delta 100 Professional: exposure, reciprocity, formats and prices.