Compare Samyang 35mm F1.4 AS UMC vs Samyang 20mm F1.8 ED AS UMC vs Leica Summarit-M 35mm F2.4 ASPH
Construction
Aperture Blades
7 blades
9 blades
Colors
Black and silver
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-mount
Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Leica M-mount
Material
Anodized
Optical Formula | Elements
12 elements
13 elements
6 elements
Optical Formula | Groups
10 groups
12 groups
4 groups
Optical Formula | Special Glass
2 high-refraction glass elements1 aspherical element groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
"high-refraction glass with anomalous partial dispersion" groups
Dimensions
Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
46 mm / 1.81 in
Size | Diameter
63 mm / 2.48 in
83 mm / 3.27 in
52 mm / 2.05 in
Size | Length
112 mm / 4.41 in
88 mm / 3.46 in
34 mm / 1.34 in
Weight
660 g / 23.32 oz
497 g / 17.56 oz
197 g / 6.96 oz
Function
Angle Of View
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/22
f/2.4 ~ f/16
Autofocus
No
No
No
Focal Length
35 mm
20 mm
35 mm
Focus Type
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Min Focus Distance
300 mm / 11.81 in
200 mm / 7.87 in
800 mm / 31.50 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2010-09-16
2016-08-08
2014-09-16
Made In
Germany
Reviews
Neofiliac score
68%
59%
86%
Pros
- Bright maximum aperture
- Good level of resolution
- Rather affordable
- Very compact and lightweight
- Beautiful construction
Cons
- Quite large and heavy
- Lacks weather sealing
- Not the highest grade of build
- Lacks weather sealing
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