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DEPTH-OF-FIELD TABLE
(ft.)
Focused
distance
16.4
20
25
30
40
50
70
100
•0
Depth of field
f/4
16'
4"
—
16'5"
19'11"
—
20'
24'
10"
—
25'
1"
29'
10"
—
30'
1"
39'
8"
—
40' 3"
49'
7"
—
50'
4"
69'
2"
—
70'
9"
98'
4"
—
101'
5796'
—
OO
f/5.6
16'
4"
—
16'
5"
19'
11"
—
20'
24'
10"
—
25'
1"
29' 9" —
30' 2"
39'
7"
—
40' 4"
49'
5"
—
50'
6"
68'
10"
—
71'
1"
97' 9" —
102'
4223'
—
OO
f/8
16'
3"
—
16'
5"
19'
10"
—
20'1"
24' 9"
—
25'
2"
29' 8" —
30' 3"
39' 6" —
40'
6"
49'
2"
—
50'
9"
68'
5"
—
71'7"
96' 9" —
103'
2957'
—
OO
mi
16'
3"
—
16'
6"
19'10"
—
20'
1"
24'
8"
—
25' 3"
29'
7"
—
30'
4"
39'
3"
—
40'
8"
48'
11"
—
51'1"
67'
10"
—
72' 2"
95'
8"
—
104'
2152' —
OO
vu
16'
3"
—
16'
6"
19'
9" —
20' 2"
24'
7"
—
25' 4"
29'
5"
—
30'
6"
39'
—
41'
48'
5"
—
51'7"
66'
11"
—
73'
3"
93'
10"—
107'
1480' —
OO
f/22
16'
2"
—
16'
7"
19'8" —
20' 3"
24' 6" —
25'
6"
29'
3"
—
30'
9"
38'
8"
—
41'5"
47'
11"
—
52' 3"
65'11"—
74'
7"
91'
9" —
109'
1077'
—
OO
Reproduction
ratio
1/9.0
1/11.2
1/14.3
1/17.4
1/23.7
1/29.9
1/42.3
1/61
l/oo
By using Internal Focusing (IF), the closest focusing distance of this lens is shorter than
previous models at the same focal length, which utilized traditional helicoid focusing.
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