54.
Kelvin temperature selector switch, (para 1-21a(7))
55.
Operate the back focusing handle, (para 1-24f)
56.
Close the lens, (para 1-24i)
BE 2
35 2
57.
or
CES = ( FL ) x EM
( 23 ) x 8 =
1225
X
8 = 2.3 x 8 = 18.5 seconds
529
CES = 18.5 seconds @ f/32, (para 1-25b(3)(a)(b)).
58.
6.7 seconds @ f/16, (para 1-25b(3)(a)(b)).
59.
Time (T), (para 1-26c(2)(a)).
60.
True, (para 1-26c).
81