Leica Camera Lens 11663 User Manual

LEICA SUMMILUX-M 35 mm f/1.4 ASPH.  
1
The outstanding imaging performance of this very compact lens is due to the application of aspherical technology. It delivers high  
contrasts, excellent detail rendition over the entire image area, good field flatness, and it has extremely low coma. Because all  
these qualities remain practically unchanged in the close-up range down to 0.7 m (28 in), this Summilux lens is the universal wide-  
angle lens. Its applications range from portraits at medium distances all the way to landscape photographs. The 35 mm lenses are  
already considered to be standard lenses in the Leica M system. With its large aperture, this lens masters all photographic situa-  
tions superbly.  
Lens shape  
Asphere  
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LEICA SUMMILUX-M 35 mm f/1.4 ASPH.  
3
MTF graphs  
Aperture Stop 1.4  
Aperture Stop 5.6  
[%]  
100  
[%]  
100  
80  
60  
40  
20  
0
80  
60  
40  
20  
0
0
5
10  
15  
20  
0
5
10  
15  
20  
Y’ [mm]  
Y’ [mm]  
Aperture Stop 2.8  
[%]  
100  
The MTF is indicated both at full aperture and at  
f/5.6 at long taking distances (infinity). Shown  
is the contrast in percentage for 5, 10, 20 and  
40 lp/mm accross the height of the 35 mm film  
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 finer  
and finest object structures.  
80  
60  
40  
20  
0
sagittal structures  
_ _ _ _ _ _ _ _  
tangential structures  
0
5
10  
15  
20  
Y’ [mm]  
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LEICA SUMMILUX-M 35 mm f/1.4 ASPH.  
4
Distortion  
Effective Distortion  
Relative Distortion  
[%]  
5
Y’ [mm]  
4
3
2
12  
9
1
0
-1  
-2  
-3  
-4  
-5  
6
3
0
0
5
10  
15  
20  
0 3 6 9 12 15 18  
X’ [mm]  
Y’ [mm]  
Vignetting  
Distortion is the deviation of the real image height  
(in the picture) from the ideal image height. The  
relative distortion is the percentage deviation.  
The ideal image height results from the object  
height and the magnification. The image height of  
21.6mm is the radial distance between the edge and  
the middle of the image field for the format 24mm x  
36mm. The graph of the effective distortion illustra-  
tes the appearance of straight horizontal and verti-  
cal lines in the picture.  
[%]  
100  
5.6  
2.8  
1.4  
80  
60  
40  
20  
Vignetting is a continous decrease of the illumina-  
tion to the edges of the image field. The graph  
shows the percentage lost of illumination over the  
image height. 100% means no vignetting.  
0
0
5
10  
15  
20  
sagittal structures  
tangential structures  
_ _ _ _ _ _ _ _  
Y’ [mm]  
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LEICA SUMMILUX-M 35 mm f/1.4 ASPH.  
5
Depth of field table  
Aperture Stop  
Magnification  
1,4  
2
2,8  
4
5,6  
8
11  
16  
0,7  
0,8  
1
0,684 - 0,716  
0,779 - 0,822  
0,967 - 1,035  
1,152 - 1,252  
1,425 - 1,584  
1,867 - 2,154  
2,705 - 3,368  
4,224 - 6,131  
7,294 - 15,93  
26,71 - ∞  
0,679 - 0,723  
0,772 - 0,830  
0,955 - 1,049  
1,135 - 1,273  
1,398 - 1,619  
1,820 - 2,221  
2,607 - 3,537  
3,984 - 6,724  
6,599 - 20,75  
19,21 - ∞  
0,671 - 0,732  
0,761 - 0,843  
0,939 - 1,071  
1,111 - 1,305  
1,361 - 1,672  
1,757 - 2,324  
2,477 - 3,810  
3,686 - 7,803  
5,812 - 36,47  
13,74 - ∞  
0,659 - 0,747  
0,746 - 0,863  
0,915 - 1,104  
1,077 - 1,357  
1,310 - 1,758  
1,670 - 2,498  
2,306 - 4,311  
3,314 - 10,29  
4,932 - ∞  
0,644 - 0,768  
0,726 - 0,892  
0,885 - 1,153  
1,035 - 1,432  
1,247 - 1,889  
1,568 - 2,776  
2,112 - 5,233  
2,923 - 17,92  
4,106 - ∞  
0,623 - 0,801  
0,699 - 0,939  
0,843 - 1,234  
0,978 - 1,562  
1,163 - 2,128  
1,436 - 3,337  
1,876 - 7,722  
2,485 - ∞  
0,598 - 0,848 0,562 - 0,940  
0,668 - 1,005 0,622 - 1,140  
1/17,3  
1/20,1  
1/25,8  
1/31,4  
1/39,8  
1/53,9  
1/82,0  
1/138  
1/279  
1/∞  
0,797 - 1,355  
0,731 - 1,622  
1,2  
1,5  
2
0,915 - 1,765 0,828 - 2,259  
1,074 - 2,532 0,954 - 3,718  
1,301 - 4,475  
1,648 - 19,24  
2,095 - ∞  
1,125 - 10,51  
1,372 - ∞  
1,665 - ∞  
1,981 - ∞  
2,446 - ∞  
3
5
10  
3,284 - ∞  
2,631 - ∞  
9,634 - ∞  
6,896 - ∞  
4,842 - ∞  
3,535 - ∞  
Aperture Stop 1,4  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
0
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
Depth of Field [m]  
Aperture Stop 2  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
0
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
Depth of Field [m]  
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LEICA SUMMILUX-M 35 mm f/1.4 ASPH.  
6
Aperture Stop 2,8  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
0
0
0
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
9
10  
11  
12  
12  
12  
13  
13  
13  
14  
14  
14  
15  
15  
15  
16  
16  
16  
17  
17  
17  
18  
18  
18  
19  
19  
19  
20  
20  
20  
Depth of Field [m]  
Aperture Stop 4  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
8
9
10  
11  
Depth of Field [m]  
Aperture Stop 5,6  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
8
9
10  
11  
Depth of Field [m]  
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LEICA SUMMILUX-M 35 mm f/1.4 ASPH.  
7
Aperture Stop 8  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
0
0
0
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
9
10  
11  
12  
12  
12  
13  
13  
13  
14  
14  
14  
15  
15  
15  
16  
16  
16  
17  
17  
17  
18  
18  
18  
19  
19  
19  
20  
20  
20  
Depth of Field [m]  
Aperture Stop 11  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
8
9
10  
11  
Depth of Field [m]  
Aperture Stop 16  
0,7  
0,8  
1
1,2  
1,5  
2
3
5
10  
8
9
10  
11  
Depth of Field [m]  
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