rolllog

Development times

Ilford SFX 200 in Ilford Ilfotec HC

6 times for 1+15, 1+31, EI 200–800, 20 °C. From HARMAN technology SFX 200 Technical Information (2018-11).

Box speed (EI 200), 20 °C, 1+15, intermittent
5:00
Box speed (EI 200), 20 °C, 1+31, intermittent
9:00

Times

1+15 · intermittent

Ilford SFX 200 in Ilford Ilfotec HC 1+15 · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
2005:00
4007:00
80010:30

1+31 · intermittent

Ilford SFX 200 in Ilford Ilfotec HC 1+31 · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
2009:00
40013:00
80019:00

Source: HARMAN technology SFX 200 Technical Information (2018-11)

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 SFX 200 in other developers

Other films in Ilford Ilfotec HC

Same data from the API

curl "https://rolllog.io/api/v1/films/ilford-sfx-200/dev-times?developer=ilford-ilfotec-hc"

All of Ilford SFX 200: exposure, reciprocity, formats and prices.