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Ilford IR

I also have tested SFX with TMAX-RS diluted 1:9 and processed for 12-minutes @
75F to obtain:

 No filter:  ISO 320
 Wratten #25:  ISO 160
 These film exposure indices were obtained with a spot meter, not through the
filter.

 Cheers,

 Jim Henderson

 >> Hi gang,

 Filter experiments with Ilford SFX-200, developed in ID-11, 1+1 solution
(according to Ilford spec sheet)

 Test results:

 No filter: ISO 200/24
 Wratten #25: ISO 50-100/18-21
 Wratten #29: ISO 50/18
 Wratten #70: ISO 50/18
 Wratten #89B: ISO 50-25/18-15
 Wratten #88A: ISO 9/6

 [For a conversion table of Wratten with B+W and Heliopan, see my homepage:
http://www.a1.nl/phomepag/markerink/mainpage.htm]

 Note that the first and fourth result comply with the official Ilford
recommendation. <<


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Topic No. 5