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Film · Black and white negative

Harman Technology Kentmere Pan 400

In productionBW

Harman's budget ISO 400 line: general-purpose panchromatic film with a flat, clean negative that scans well; Harman says it has excellent push characteristics, with more visible grain than Pan 100 and slightly less contrast. 120 added December 2022.

Also sold as: Kosmo Foto Agent Shadow 400

Box speed
ISO 400
Process
BW
Formats
35mm, 120
Grain
Medium
Latitude
Good
Reciprocity
t^1.3
Power-law factor

Characteristics

GrainMedium, level 3 of 4
ContrastMedium, level 2 of 4
LatitudeGood, level 3 of 4

Reciprocity failure

Compensation Formula

t' = t1.3

Ilford's published factor P = 1.3: corrected time = metered time ^ 1.3. Ilford says one second or less needs no compensation, and that very long exposures at low light may need some trial and error.

Development times

DeveloperDilutionISOTimeTemp
ID-11stock4009m 30s20°C
HC-1101+314008m20°C
Rodinal1+2540017m20°C
Rodinal1+5040020m20°C
Rodinal1+10040060m20°C
510-Pyro1+10040020m 30s20°C
510-Pyro1+1004008m 30s21°C
510-Pyro1+100160019m21°C
Ilfotec DD-X1+440011m 30s20°C
Ilfotec DD-X1+480013m20°C

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Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.