Cinematographic annual : 1930 (1930)
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MISCELLANEOUS TABLES
593
Exposure Guide for Cine-Kodak, Model BB, with/.1.9 Lens (Black and White Pictures Only)
(These 6gures, except as noted, apply only when the camera is operated at full, or normal speed.)
SUBJECT
TIME
Bright— No Clouds Over Sim
Light Clouds Over Sun
Cloudy Dull
Apr.-Sept.
Diaphragm
Diaphragm
Diaphragm
A. Sea, Sky, Beach and Snow Scenes
/.16
/.ll
/.8
Oct.-March
/.ll
/.8
/.5.6
B. Close-ups* of Group A
Open Landscapes, Games, etc., with no heavy shade
Apr.-Sept.
/.ll
/.8
f.5.6
Oct.-March
/.8
/.5.6
f*
C. Close-ups* of Group B
Apr.-Sept.
/.8
/.5.6
f*
obstruct part of the light from the sky
Oct.-March
/.5.6
/•*
/.2.8
D. Close-ups* of Group C
Scenes on shady side of streets Boating scenes out of direct sunlight
Apr.-Sept.
/.5.6
S*
f.i.8
Oct.-March
/<
f.i.S
SAM
E. Close-ups* of Group D
Scenes on heavily shaded streets Scenes on heavily shaded porches
Apr.-Sept.
S*
/.2.8
SAM
Oct.-March
f.i.S
f.\.9
f.1.9 half-speed
•The term "close-up" means pictures taken from 2 feet to 6 feet from the lens. Figures above are for the hours from two hours after sunrise until two hours before sunset. To make pictures earlier or later, use the next larger diaphragm opening. The above figures apply to the temperate zone; for exposures in the tropics, see the manual.
These rules do not apply to Kodacolor — home movies in full color. Kodacolor pictures must be made with the diaphragm set at /. 1 9, and the Kodacolor Filter in position before the lens (see folder).
The above table can be used with the/.4.5 Long Focus Lens by substituting "/.4.5" wherever "fA" appears, and "Too dark wherever "/.2.8" or "/.1.9" appears. For "close-ups," subjects must not be nearer than 6 feet from the/.4.5 Long Focus Lens.
Use the half speed, see page 11, with the largest diaphragm opening in position, when the light conditions are unfavorable for making exposures at normal speed, as on very dark and rainy days; also for exposures earlier and later than the hours given above, when an opening larger than the largest one of the .lens would be required.
The Projected Field for Filmo Camera Lenses, showing Approximate Picture Areas Obtained
Lam, Focal
Distance From Camera (Feet ) 1
.•-iv'-'iiiiiMftiiiriiiviifliiiiii.ii ir n ir nir in k 11 ir u ll 1
20m/m
Horizontal
26* 4'
49
73
98
15
2 0
2 4
2 9
3 4
3 9
7 3
12 2
14 7
19 5
24 4
29 3
36 7
48 9
73 3
97 8
146 7
195.6
244 5
489.
Vertical
I9*.$4'
36
54
72
II
1.4
18
2 2
2 5
2 9
5 4
9
10 9
14 5
18 1
21 7
27 1
36 2
54 3
72 4
108 6
1448
181
362.
25m/m
Horizontal
21 '-22'
39
59
78
12
1 6
2 0
2 3
2 7
3.1
5 9
9 7
117
15 6
19 5
23 5
29 3
39 1
58 7
78 2
In 3
156$
195 6
391 2
Vertical
16*y
29
43
58
87
12
14
17
2 0
2 3
4 3
7.2
8 7
116
14 5
17 4
21 7
28 9
43 4
57.9
86 9
115 8
144 8
289.6
35m/m
Horizontal
I5*.J7'
28
.42
56
84
II
1.4
1.7
19
2 2
4 2
6 9
8 4
112
13 9
16 8
20 9
27.9
41 9
55 8
83 8
III. 7
139 7
279 4
Vertical
1 .Mi
21
31
41
62
83
1 0
12
1.4
16
3 1
5 1
6 2
8 3
10.3
12 4
15 5
20 7
31
41 3
62
82 7
103 4
2068
SOm/m
Horizontal
ll*. 4'
19
29
39
59
.78
.98
1.2
1 4
1 6
2 9
4 8
5 9
7 8
9 8
II 7
14 6
19 5
29 3
39 1
58 7
78 2
97 8
195 6
Vertical
8". 14'
14
22
29
43
58
72
87
1 0
1 1
2 2
3 6
4 3
5 8
7 2
8 7
108
14 5
21 7;28 9
43 4
57 9
72 4
144 8
J*
Horizontal
r.»
13
19
26
38
51
.64
.77
90
1 0
1 9
i 2
3 8
5 1
6 4
7 7
9.6112.8
19 225 7
38 5
51 3
64 2
128 6
Vertical
y-iw
09
14
19
.28
38
47
57
66
76
1 4
2 4
2 8
3 8
4 7
5 7
7 1
9 5
14 2 19 0
28 5
38 0
47 6
95 0
*c
Horizontal
$'-52'
10
15
21
31
41
.51
.62
72
82
15
2 6
3 1
4 1
5 1
6 2
7 7
10 3
Ts-J
20 5
30 8
41.1
51 4
102 7
Vertical
4°-2l'
07
11
15
23
30
.38
46
51
61
1 1
1 9
2 3
3 0
3 8
4 6
5 7
7 6
11.4
15 2
22 8
30 4
38 0
760
r
Horizontal
$'30'
10
14
19
29
38
.48
.58
67
77
1 4
2 4
2 9
3 8
4 8
5 8
7 2
9 6
14 4
19 2
28 9
38 5
48 1
96 2
Vertical
4' y
07
M
14
21
28
36
43
50
57
1 |
1 8
2 1
2 8
3 5
4 3
5 3
7 1
10 7
14 2
21 3
28 5
35 6
71 2
*•
Horizontal
3*-40
06
09
13
19
26
.32
.38
45
51
%
16
1 9
2 5
3 2
3 8
4 8
6 4
9 b
12 8
19 2
25 7
32
64 1
(Vertical /
r-43
05
07
09
14
.19
.24
.28
33
38
.71
1 2
14
19
2 4
2 8
3 5
4.7
7 1
9 5
14 2
19.
23 7
47 $