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H–4
H
(GN)
(. ISO 100) = (.) ×
SB-910 34 . ( ISO 100 : 35 ., FX,
: , : 20 C) (ISO) 100
8
SB-910 4.25 .
(4.25 .) = (34 .) / (8)
(ISO) 100 (• (ISO))
ISO 25 50 100 200 400 800 1600 3200 6400
0.5 0.71 1 1.4 2 2.8 4 5.6 8
“” (•
0
H-18)
t
= (GN ISO 100; .)
× (ISO) / (.)
(.)
= (GN ISO 100; .)
× (ISO) /