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normal_dev.md

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Formulas

Theses formulas and devs times are for normal dev process:

  • Continious agitation first 30 sec
  • 10 to 15 seconds flip/flop each minutes (each move take more or less 2s. not so fast, not so slow)
  • temp is +/- 20°C

Existing Formulas

Devs

Ilford LC29 Formula

Film name iso 1+9 1+19 1+29
Ilford DELTA 3200 400 6
Ilford DELTA 3200 800 7:30
Ilford DELTA 3200 1600 5 9
Ilford DELTA 3200 3200 8 14:30
Ilford DELTA 3200 6400 13
Ilford PAN F+ 50 4 5:30
Ilford FP4+ 50 6 8
 Ilford FP4+ 125 4 8  12
Ilford FP4+ 200 5 9
Ilford HP5+ 400 6:30 9
Ilford HP5+ 800 5 9:30
Ilford HP5+ 1600 7:30 14
Ilford HP5+ 3200 11
Ilford PAN 100 50 6 8
Ilford PAN 100 125 4 8 12
Ilford PAN 100 200 5 9
Ilford PAN 400 400 6:30 9
Ilford PAN 400 800 5 9:30
Ilford PAN 400 1600 7:30 14
Ilford PAN 400 3200 11

Ilford Ilfosol 3

Film name iso 1+9 1+14 1+19 1+29
 Ilford FP4+ 100 4.25 7.5 -  -
Ilford HP5+ 100 4.5 - - -
Ilford HP5+ 400 6.5 - -

Rodinal/Fomadon

Film name iso 1+25 1+50 1+100 1+200
Fomapan 100 50 - - 7 -
Fomapan 100 100 4 8.5 18 30
Fomapan 100 200 - 12 - -
Fomapan 100 400 6.5 21.5 26 -
Fomapan 100 800 12 23 - -
Fomapan 400 100 - 7 - -
Fomapan 400 200 - 11 - -
Fomapan 400 400 5.5 11 30 -
Fomapan 400 800 10 19 - -
Fomapan 400 1600 20 24 - -
Fomapan 400 3200 25 52 - -
Ilford FP4+ 100 9 - - -
Ilford HP5+ 400 6 - - -
Rollei RPX 25 25 - 11 - -

Tetenal Paranol S

Film name iso 1+25 1+50 1+100 1+200
Ilford FP4+ 100 11 30 - -
Ilford HP5+ 400 11 25 - -
Ilford HP5+ 800 14 - - -
Fomapan 100 100 4 10 - -
Fomapan 400 400 7 15 - -
Kentmere 100 100 11 27 - -
Kentmere 400 400 14 35 - -

Stop

  • Water: more or less 10 to 30 secondes

Fix

  • Ilford Rapid fixer 1+4: not less than 5 and no more than 15 minutes.

Wash

  • I use ilford washing technique :
    • Fill tank and give 5 inversions, let 10 sec, dump
    • Fill tank and give 10 inversions, let 10 sec, dump
    • Fill tank and give 20 inversions, let 10 sec, dump

This technic is sometimes described as Ilford way of washing.