Mamiya RB67 - 50 mm f;4.5 Lens Details; 50 mm f;4.5 Specifications; 50 mm f;4.5 Depth of Field

• Lens ( with Seiko # 1 Shutter)
Depth of Field Table
Distance in Meter
Aperture
00
10 5
4 3 2.5 2
1.5 1.2
6.22 3.81
2.81 2.41
2.06
1.81
1.54 [ 1.23
1.03
4.5
00
00
24.04 10.11 5.61 4.06
2.81
I 1.92
1.45
4.96 3.35 2.53
2.25 1.91 1.10
I. 46 I 1.18 0.99
5.6
00 00 00
19.23
1.25
I 4.84
3.23 2.08
1.53
3.52 2.63
2.10
I. 91
1.66 I
1.50 1.31 1.08 0.92
8
00 00 00 00
11 .92 I
1. 91
4.35 2. 48 1.73
2.51 2.03
1.10 1.58
I ~ O I
1. 29 1.15 0. 91 0.85
11
00 00 00 00 00
8.65 3.42 2.13
1.19 1.53 1.35
1.21
1.16
1.08
I
0.98 0.85
0.16
16
00 00
00
00
00 00 00
1.49 3.11
I. 28 1.15 1.04 1.00
22
0.93 0.88 0.82 0.13 0.66
00
00 00 00 00
00
00 00
10 .90
0.92 0.85 0.80
0. 11
32
0.13
0.10
0.66 0.61 0.56
00 00 00
00
00
00 00
00 00
32
Aperture
I
0.88
4.5
I 16
0.85
5.6
1.21
0.81
1.33
0.15
II
1.55
0.68
16
2.01
0.60
22
3.51
0.52
32
00
5 0
mm
fj4.5
Composition : 11 el ements in 8 groups
Pi cture angl e: 82
0
Min imum aperture: 32
Filter di amete r ' 77m m
H
ood: Sli p-o n type
We i ght: 32 - 7/ 16 oz (920 g)
This lens has a built-in floating system which
moves apartion of the lens system to the front
or rear , according to the photographing distance ,
in order to obtain sharp resolution down to the
picture circumference .
Depth of Field Table
Distance in Feet
~ --,---,- --,---~---r--~---,-- -,-- --' ----
30
15 10
20 ' 5 ' IZ- 3'
8
9 .
6 ' W-
S
10 '
5 3 Y, '
4' 8Y.' 4
1 7(
54'
19 ' IZ- 9 '
10 ' 4 .
8 ' 3 ' 6' 572 "
16 ' 3 ' 10 ' 8 '
7 Ir
6' 3y,- 5 5Y,'
4' 5Y.'
3 ' Ir
24' 9 '
15 ' I ' 11' 10'
9 ' 2 '
6' l1 U "
11' l ' 8' 5 Y, ' 6 ' 8 ' 5 ' 6 ' 4'10 y, ' 4'5Y.' 4 ' y" 3' l K '
65 ' 2 ' 24' 2 ' f6 ' 8 ' I l' 9 ' 8 . 4 '
3
3 ' 5 '
2 ' 8'
4' 10X' 3'S'!-'(
3'3 )/( 2'7U"
5' 1 )1"
3' 6 j-(
3 ' Y.' Z- 5Y,'
5 ' 10 ' 3' lO K'
I-- -- 1-----+---4-----jf----
8' 2 Y, ' 6' 6y,-
5 ' 5 '
4'7U '
4'2 ~ 10 Y. '
3 ' 7 '
3' 2Y.'
2' 9y"
Z- 3Y,'
00 00 39 ' 10 '
19 ' 10 '
11 ' 8 '
7' 2 Yf "
4' 4Y.'
.-
f--
\---
f---
--
-
5' 10 Y,'
4' ll Y. '
4' 3Y.'
3'9U"
3 ' 6 ' 3' 3Y.'
3 ' 1 .
2 ' lO'
2 ' 6 ' 2' l Yc ·
26 ' Ir
10 ' I l'
5' 5Y,'
- -
4' 2 Y. " 3' BY.·
3' 4X'
3 ' Y.'
Z- 10 y,-
2 ' 9 ' 2 ' 7 ' 2' 4 Ys ·
2' 2 Ys ' l' 10 Y, '
00
I
00
8 ' 6 '
-
3 ' y( 2' 9U '
2
7 '
Z' H -( 2 3 Y, ' 2 2Y, '
2' 1) . .-
2 '
l' IO Ys '
l' l Y, '