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LEICA ELMAR-M 24 mm f/3.8 ASPH.
MTF graphs
Aperture Stop 3.8
[%]
100
80
60
100
40
80
20
60
0
0
5
10
40
20
100
0
0
5
10
80
Aperture Stop 5.6
60
[%]
100
40
80
20
60
0
0
5
10
40
20
100
0
0
5
10
80
60
100
40
80
20
60
0
0
5
10
40
20
100
80
60
100
40
80
20
60
15
20
40
Y' [mm] = 21.0
20
15
20
15
20
15
20
Y' [mm] = 21.0
15
20
100
80
60
40
20
0
0
5
[%]
100
80
60
40
20
0
0
0
5
0
5
10
5
0
4
0
5
10
3
2
1
5
The MTF is indicated both at full aperture and at
0
f/5.6 at long taking distances (infinity). Shown
4
-1
is the contrast in percentage for 5, 10, 20 and
3
-2
40 lp/mm accross the height of the 35 mm film
2
format, for tangential (dotted line) and sagittal
-3
(solid line) structures, in white light. The 5 and
1
-4
10 lp/mm will give an indication regarding the
0
-5
contrast ratio for large object structures.The
0
5
10
20 and 40 lp/mm records the resolution of finer
-1
and finest object structures.
-2
-3
sagittal structures
-4
_ _ _ _ _ _ _ _
tangential structures
-5
0
5
10
12
9
6
12
3
9
0
0
3
6
9
6
3
10
15
20
Aperture Stop 8.0
10
15
20
15
20
Y' [mm] = 21.0
15
20
15
20
15
20
12
15
18
5
4
3
3
2
1
0
-1
-2
-3
-4
-5
0
12
9
6
3
0
0
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