Compare Samyang 20mm F1.8 ED AS UMC vs SIGMA 16mm F1.4 DC DN vs SIGMA 24mm F3.5 DG DN
Variants
E-mount
EF-M
L-mount
MFT
Construction
Aperture Blades
7 blades
9 (Rounded diaphragm)
7 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring
Lens 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
Sony E-mount, Leica L-mount, Canon EF-M mount, Micro Four Thirds
Leica L-mount, Sony E-mount
Material
Magnesium alloy
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
13 elements
16 elements
10 elements
Optical Formula | Groups
12 groups
13 groups
8 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Three FLD, two SLD, two aspherical groups
1 SLD + 3 aspherical elements, Super Multi-Layer coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
55 mm / 2.17 in
Size | Diameter
83 mm / 3.27 in
72 mm / 2.83 in
64 mm / 2.52 in
Size | Length
88 mm / 3.46 in
49 mm / 1.93 in
Weight
497 g / 17.56 oz
225 g / 7.95 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
f/3.5 ~ f/22
Autofocus
No
Yes
Yes
Focal Length
20 mm
16 mm
24 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes
Performance
Max Magnification
0.1x
0.5x
Min Focus Distance
200 mm / 7.87 in
250 mm / 9.84 in
110 mm / 4.33 in
Production
Accessory
Lens hood included
Lens Hood: LH716-01, supplied
Lens hood included
Debut
2016-08-08
2020-12-01
Made In
Japan
Japan
Reviews
Neofiliac score
59%
91%
Pros
- Rather affordable
- F1.4 aperture
- Very sharp
- Fast and silent
- Very good performance
- Excellent build quality
- Short barrel
- Light in the hand
- Weather-sealed
- Comes with physical aperture ring
- Good image quality
Cons
- Lacks weather sealing
- Not the highest grade of build
- Not as sharp as some APS-C lenses
- High chromatic aberrations
- Small aperture
- Dark maximum aperture
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