Leica Camera Lens 11141 User Manual

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LEICA SUPER ELMAR-M 21mm f/3.4 ASPH.
MTF-graphs
The MTF is indicated at full aperture, at f/2,8 and f/5,6
at long taking distances (innity). Shown is the contrast
in percentage for 5, 10, 20 and 40 lp/mm accross the
height of the 35 mm lm format, for tangential (dotted
line) and sagittal (solid line) structures, in white light.
The 5 and 10 lp/mm will give an indication regarding
the contrast ratio for large object structures. The 20
and 40 lp/mm records the resolution of ner and nest
object structures.
tangential structures
sagittal structures
3
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Blende2,0
Apo-Summicron-M1:2,0/50mmASPH.Brennweite50mm
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Blende2,8
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
Blende5,6
[%]
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Vignettierung
2,0
2,8
5,6
0 3 6 9 12 15 18 21
Y'[mm]
-5
-4
-3
-2
-1
0
1
2
3
4
5
[%]
RelativeVerzeichnung
0 3 6 9 12 15 18
X'[mm]
0
3
6
9
12
Y'[mm]
EffektiveVerzeichnung
f/2.0
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Blende2,0
Apo-Summicron-M1:2,0/50mmASPH.Brennweite50mm
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Blende2,8
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
Blende5,6
[%]
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Vignettierung
2,0
2,8
5,6
0 3 6 9 12 15 18 21
Y'[mm]
-5
-4
-3
-2
-1
0
1
2
3
4
5
[%]
RelativeVerzeichnung
0 3 6 9 12 15 18
X'[mm]
0
3
6
9
12
Y'[mm]
EffektiveVerzeichnung
Aperture Stop 5.6
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Blende2,0
Apo-Summicron-M1:2,0/50mmASPH.Brennweite50mm
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Blende2,8
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
Blende5,6
[%]
0 3 6 9 12 15 18 21
Y'[mm]
0
20
40
60
80
100
[%]
Vignettierung
2,0
2,8
5,6
0 3 6 9 12 15 18 21
Y'[mm]
-5
-4
-3
-2
-1
0
1
2
3
4
5
[%]
RelativeVerzeichnung
0 3 6 9 12 15 18
X'[mm]
0
3
6
9
12
Y'[mm]
EffektiveVerzeichnung
LEICA APO-SUMMICRON-M 50 mm f/2 ASPH.
f/5.6
f/2.8

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