Development time

FILM Ferrania P30 in ID-11

7:00 at 20°C, stock dilution, box speed.

Start timer · 7:00

Time

7:00

Standard

Dilution

Stock

Temperature

20°C

Box speed

ISO 80

B&W

Development time

Dilution	EI	Time	Temp	Agitation	Timer
Stock	80	7:00	20°C / 68°F	Standard	Start timer

EI is the speed the film was rated at when shooting. Times marked “not yet verified” come from secondary sources and haven’t been checked against a manufacturer datasheet.

Other temperatures

18°C	19°C	20°C	21°C	22°C	23°C	24°C
8:45	7:50	7:00	6:18	5:36	5:02	4:33

Calculated from the 20°C time using Ilford’s temperature compensation factors, not taken from a datasheet. Most B&W developers behave well between 18°C and 24°C.

Mixing

Dilution	300 ml (one 35mm roll)	500 ml (one 120 roll)
Stock	Use as mixed, undiluted	Use as mixed, undiluted

How they work together

ID-11: Fine grain, moderate acutance, full film speed, normal contrast. Excellent balance of fine grain, sharpness, and tonal rendition.
FILM Ferrania P30: Revived cinema-origin emulsion inspired by Ferrania's historic formulations. Very high contrast with crushed shadows. High silver content (5g/sqm). Requires accurate metering - shoot at exactly ISO 80.
Notes on this pairing: ID-11 equivalent to D-76 stock.

P30 in other developers

D-76