Mamiya RB67 - 250 mm f;4.5 Lens Details; 250 mm f;4.5 Specifications; 250 mm f;4.5 Depth of Field

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Depth of Field Table
Di stance in Meter
Aperture
Aperture
x
50
30 20 15 10 7
5
3
2
y
200
4.5
155 37 .9 25 .2 17.8 13.7 9.44 6. 73 4. 87 2.96 1.98
00
73 .5 37.0 22 .9 16.5 10.6 7.30 5. 14 3.04 2. 02
4.5
507 ·
144
~
328
5.6
123 35.7 24.2 17.3 13.4 9.30 6. 66 4. 83 2.95 1. 98
x
83 .6
39 .4 23.7 17.0 10.8 7. 38 5.18 3.06 2.02
5.6
404
134
ce
393
8
87.1
3 2. 0 22 .5 16.4 12 .9 9 .04 6. 53 4.77 2.92 1.97
x
116 45 .3 25 .7 18.0 11.2 7.54 5.26 3.08 2. 03
8
286 118
er>
657
11
61.6 27. 8 20 .3 15.2 12 .2 8.69 6.36 4.68 2.89 1. 96
~
25 7 57 .5 29.2 19 .6 118 7. 80 5. 37
3. 11 2.04
11
202 10 1
co
00
16
43 .7 23 .5
18.0 13.9
11 .3 8. 25 6. 12 4. 56 2.85 1.94
~ ~
93.1
36. 1 22 .4
12.7
8.19 5.55 3. 16 2.06
16
143 84 1
'"
'X)
22
30.9 19.3
15.4 12.3 10.3 7.70 5.82 440 2.80
1.92
~
,
y
54.4 28.2 14 .4 8.81 5.81 3.24 2. 09
22
1 02 67 11
ce
y
32
22 .0 15.4 12.9
10.7 9. 09 7. 03 5.45 4 .1 9 2.72 189
~ ~ ~
1 95
44.7
l f6 9.88 6.23 3. 35 2.12
32
72 53 5
ce
45
15.6
12. 0 10.4 8. 95 7. 84 6.28 5. 00 3. 93
2.62 1. 85
y y
~
~
.y
25.8 11.9 6.96
3.
52 2. 18
45
51 2 41 2
y
00
Campasitian : 5 elements in 4 grau ps
Picture angle : 20 °
Minimum aperture : 45
Filter diameter : 77 mm
Haad : Screw·in type
Weight : 46·3 /1 6 az (1310 g)
Depth of Field Table
Distance in Feet
100 50 30 20 15
10 7
8310
45 9 28 5 19 4 14 8
9
10 ·
611 Y,
124
55 ·
2 3r 9 209 15
5 ·
10" 2 ··
7
1
80 6
44
9 28 1
19 · 2 ·
14
7 ·
9
10 6 11"
132 56
8
32
2
20 11 15
6
10 2 7 1
74 7 42 10
27
4 18 10 14
4
9 9 610 Y,
152 60 1 33 3 21 4 15 8
10 3 ·
71 Y,
67 5 40
6
26
5
18 5 ·
14
1
9 7 Y,
6 ·10
1 95
65 6
34
9
2111 ·
16
0 10 5
7
2 ·
59 6
37 6 25 2 17 10 1310 9
6 ·
6 9 Y,
321 75 3
37
3
2210
16 ·
5
10 7 ·
7 ·
3
51
34 1 23 7 17 1
13 · 4
9 3
Y, 6 8 Y,
CD
95 5 41 5 24 3 17 2 10 10 7 4
42 6
30
1
2r 8
16 1
12 9 9
H'
6 7
00
154 49 3 26 8 18 3 11
2 ·
7 ·
6
34 5 25 11 19
6
14
11 12
1
8 8 Y,
6 5
m
co
67
6
30 11 20
1 119
7 8 Y,
37