M-Componon 4/28mm

 

Minimum Magnifications for negative sizes (mm x mm)

Lens
65 x 90
90 x 120
130 x 180
M-Componon 28mm/4.0
3.6x
5.1x
7.4x
M-Componon 50mm/4.0
1.8x
2.3x
3.5x
M-Componon 80mm/4.0
1.0x
1.2x
1.9x

 

Engraved Apertures

Engraved Aperture
Relative Aperture
1
f/4.0
2
f/5.6
4
f/8
8
f/11
16
f/16
32
f/32

 

Depth of Field in mm

Reproduction
Ratio
Engraved Apertures
1
2
4
8
16
32
1:1
1.6
2.2
3.2
4.4
6.4
8.8
1.5:1
0.9
1.2
1.8
2.4
3.6
4.9
2:1
0.6
0.8
1.2
1.7
2.4
3.3
2.5:1
0.4
0.6
0.9
1.2
1.8
2.5
3:1
0.4
0.5
0.7
1.0
1.4
2.0
4:1
0.3
0.4
0.5
0.7
1.0
1.4
5:1
0.2
0.3
0.4
0.5
0.8
1.1
6:1
0.2
0.2
0.3
0.4
0.6
-
7:1
0.1
0.2
0.3
0.4
0.5
-
8:1
0.1
0.2
0.2
0.3
0.5
-
10:1
0.1
0.1
0.2
0.2
-
-
12:1
0.1
0.1
0.1
0.2
-
-
16:1
0.1
0.1
0.1
-
-
-
20:1
0.0
0.1
-
-
-
-

 

Optical Data
Object field for negative size
Reproduction Ratio
Flange Focal Distance
Subject to Film Distance
Working Distance
Multiplying factor for exposure time
65x90
90x120
130x180
4:1
140
181
21.3
25
14.5x20.3
-
-
6:1
199
238
18.8
50
9.7x13.5
13.8x19.0
-
8:1
258
295
17.6
80
7.2x10.1
10.4x14.3
15.2x21.4
10:1
317
354
16.9
120
5.8x8.1
8.3x11.4
12.2x17.1
12:1
378
412
16.4
170
4.8x6.7
6.9x9.5
10.2x14.2
16:1
494
530
15.7
300
3.6x5.1
5.2x7.1
7.6x10.7
20:1
612
647
15.4
440
2.9x4.0
4.2x5.7
6.1x8.5