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Film · Black and white negative

Shanghai General Film Shanghai GP3 400

In productionBW

General-purpose ISO 400 panchromatic film coated in Europe (by ORWO, per the retailer) and packaged in China; its formula follows the original Shanghai GP3. No DX code on the 35mm.

Retailer (8 Storey Tree): 35mm, ISO 400, 36 exposures, no DX code, coated by ORWO in Germany because of Shanghai's own coating quality; Wikipedia considers it Wolfen N 74 from edge markings and lists 135 and 120.

Box speed
ISO 400
Process
BW
Formats
35mm, 120
Grain
Not published
Latitude
Not published
Reciprocity
Not published

Characteristics

GrainNot published
ContrastNot published
LatitudeNot published

Reciprocity failure

No official data available. The manufacturer hasn't published reciprocity specifications for this film.

For long exposures, try starting with a 1.3 exponent (t' = t1.3) as a baseline and bracket your shots. This is a reasonable middle ground that works for many films.

No datasheet available. Chinese-manufactured emulsion.

Open in Reciprocity Calculator →

Development times

DeveloperDilutionISOTimeTemp
D-76stock40010m20°C
ID-11stock40010m20°C
HC-1101+314007m 30s20°C

Temperatures, mixing and push times for every developer →

Often used for

budget projectsstreet photographyexperiments

Help improve this page. Some information for this film is limited. If you have experience shooting Shanghai GP3 400 or know of published data we're missing, we'd love to hear from you.

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