Reciprocity Charts


Reciprocity Charts used for the exposure calculations on Exposures for Moonlight Photography


table 1: Films: Fuji 64T, Fuji Velvia
Indicated: 4s 8s 10s 16s 20s 30s 40s 1m 2m 4m 6m 10m 15m 20m 30m 1 hr
Adjusted: 5s 12s 16s 28s 39s 1m 1m 28s 2m 30s 4m 50s 10m 15m 25m 37m 50m 1m 14m 2 hr 30m

table 2:Films: Kodak Tri-X, Kodak Plus-X
Indicated: 2s 3s 4s 8s 10s 15s 20s 30s 40s 1m 2m 3m 4m 6m 10m 15m 20m 30m 1 hr
Adjusted: 4s 8s 12s 36s 50s 1m 35s 2m 3m 30s 4m 40s 8m 18m 25m 40m 1 hr 2 hr 3 hr 20m 4 hr 6 hr 20m 12hr 30m

table 3:Films: Kodak 160t
Indicated: 4s 8s 16s 30s 1m 1m 30s 2m 3m 4m 6m 8m 12m 16m 30m 1 hr
Adjusted: 5s 12s 26s 54s 2m 6s 3m 26s 5m 8m 11m 22s 18m 39s 26m 29s 43m 1 hr 2 hr 3hr 50m

table 4: Films: Kodak T-MAX
Indicated: 2s 5s 10s 15s 20s 30s 1m 2m 4m 10m 20m 1 hr
Adjusted: 3s 7s 15s 25s 35s 50s 2m 4m 30s 10m 30m 1 hr 10m 3 hr

table 5: Films: Ilford HP5, Ilford FP4
Indicated: 5s 10s 15s 20s 25s 30s 1m 2m 4m 6m 10m 20m 1 hr
Adjusted: 13s 31s 55s 1m 23s 1m 57s 2m 35s 7m 8s 17m 21s 36m 55m 1hr 32m 3 hr 9hr 20m

table 6: Films: Fuji Provia 100F
Indicated: 2m 5m 20s 6m 40s 8m 20s 10m 40s 13m 20s 16m 40s 21m
Adjusted: 2m 5m 32s 7m 10s 9m 30s 13m 31s 19m 27s 29m 33s 50m

  • Table 1 Velvia data from Michael Davis. Fuji 64T equivalence from Olympus Reciprocity Table
  • Table 2 Tri-X data from The Nocturnes, includes Kodak Plus-X equivalence from Kodak reciprocity data sheets.
  • Table 3 Kodak 160T data from Lunar Light
  • Table 4 T-MAX data from The Nocturnes
  • Table 5 Ilford FP4 and HP5 data from Ilford Data Sheets and [pdf] data was not available for the higher indicated exposure values, the adjusted values were extrapolated out.
  • Table 6 Fuji Provia 100F data from Lunar Light