Compare Samyang 20mm F1.8 ED AS UMC vs Sigma 16-28mm F2.8 DG DN vs SIGMA 16mm F1.4 DC DN
Variants
E-mount
EF-M
L-mount
MFT
Construction
Aperture Blades
7 blades
9 blades, Rounded blades
9 (Rounded diaphragm)
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
APS-C
Lens Barrel
Physical aperture ring, Distance scale
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
Leica L-mount, Sony E-mount
Sony E-mount, Leica L-mount, Canon EF-M mount, Micro Four Thirds
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
13 elements
16 elements
16 elements
Optical Formula | Groups
12 groups
11 groups
13 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
5 FLD, 4 aspherical groups
Three FLD, two SLD, two aspherical groups
Dimensions
Filter Diameter
77 mm / 3.03 in
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
77 mm / 3.03 in
72 mm / 2.83 in
Size | Length
88 mm / 3.46 in
101 mm / 3.98 in
Weight
497 g / 17.56 oz
450 g / 15.90 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
Aperture
f/1.8 ~ f/22
f/2.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
Yes
Yes
Focal Length
20 mm
16 mm ~ 28 mm
16 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
Internal zoom
Performance
Max Magnification
0.18x
0.1x
Min Focus Distance
200 mm / 7.87 in
250 mm / 9.84 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Lens Hood: LH756-01 (supplied)
Lens Hood: LH716-01, supplied
Debut
2016-08-08
2022-06-01
Made In
Japan
Reviews
Neofiliac score
59%
76%
Pros
- Rather affordable
- Internal zoom
- Weather-sealed
- Good image quality
- Quite compact for what it is
- F1.4 aperture
- Very sharp
- Fast and silent
- Very good performance
Cons
- Lacks weather sealing
- Not the highest grade of build
- Not as sharp as some APS-C lenses
- High chromatic aberrations
- Small aperture
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