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Lenses comparison
Manufacturer
Sigma
Sigma
Nikon Nikkor
Leica
Voigtlander
Model
A 20 mm f/1.4 DG HSM
20 mm f/1.8 EX DG Aspherical RF
AF-S 20 mm f/1.8G ED
Summilux-M 21 mm f/1.4 ASPH.
Ultron 21 mm f/1.8
Lenst style
Wide angle
Wide angle
Wide angle
Wide angle
Wide angle
Focal length
20 mm
20 mm
20 mm
21 mm
21 mm
Maximum aperture
f/1.4
f/1.8
f/1.8
f/1.4
f/1.8
Angle of view
94.5
o
94.5
o
94.5
o
92
o
91.7
o
Closest focusing distance
0.27 m
0.2 m
0.2 m
0.7 m
0.5 m
Maximum magnification
1:7.1
1:4
1:4.35
1:29
1:7.7
Minimum aperture
16
22
16
16
22
Diaphragm blades
9
9
7
0
10
Auto focus type
HSM
AF
AF SWM
manual
MF
Lens Construction
15 elements / 11 group
13 elements / 11 group
13 elements / 11 group
10 elements / 8 group
13 elements / 11 group
Filter diameter
0 mm
82 mm
77 mm
82 mm
58 mm
Macro Yes/No
No
No
No
No
No
Stabilization
No
No
No
No
No
Available mounts
Canon EF
Nikon F
Sigma
Sony E
Sony FE
L-mount/Leica-SL
Canon EF
Nikon F
Sony A / Minolta
Sigma
Pentax K
Nikon F
Leica M / VM-Mount
Leica M / VM-Mount
Dimensions
129.75 x 90.7 mm
88.5 x 87 mm
81 x 83 mm
70 x 77 mm
78.4 x 69 mm
Weight
950 g
520 g
355 g
580 g
412 g
Additional information
Announced: 16.10.2015
Data for Sigma mount
Anounced: Sep 12, 2014
2 ED and 2 aspherical lenses.
Announced: September 2012
Score [max 5.00]
4.00 (2)
3.82 (11)
4.33 (6)
No score
No score
Our Review
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Review