Compare Samyang 35mm F1.4 AS UMC vs Samyang MF 14mm F2.8 MK2 vs Sony 20mm F1.8 G
Construction
Aperture Blades
9 blades
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra 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, DoF scale
Physical aperture ring
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, Sony E-mount
Sony E-mount
Motor
Linear Motor
Optical Formula | Elements
12 elements
14 elements
14 elements
Optical Formula | Groups
10 groups
10 groups
12 groups
Optical Formula | Special Glass
2 high-refraction glass elements1 aspherical element groups
1 ASP, 1 hybrid ASP, 2 ED, 3 HR elements + UMC coating groups
2 aspherical + 3 ED elements, Nano AR coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
63 mm / 2.48 in
87 mm / 3.43 in
74 mm / 2.91 in
Size | Length
112 mm / 4.41 in
96 mm / 3.78 in
85 mm / 3.35 in
Weight
660 g / 23.32 oz
649 g / 22.93 oz
373 g / 13.18 oz
Function
Angle Of View
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.4 ~ f/22
f/2.8 ~ f/22
f/1.8 ~ f/16
Autofocus
No
No
Yes
Focal Length
35 mm
14 mm
20 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.08x
0.22x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2010-09-16
2020-05-25
2020-02-25
Made In
Korea
Model Name
SEL20F18G
Reviews
Neofiliac score
68%
59%
88%
Pros
- Bright maximum aperture
- Good level of resolution
- Weather-sealed
- Improved focus ring
- Good build quality and ergonomics
- Weather-sealed
- Declickable aperture ring
- Very sharp corner to corner
- Low distortion
Cons
- Quite large and heavy
- Lacks front filter thread
- Low maximum magnification
- Strong vignetting
- Not very sharp
- Not the most solidly-built
- f/1.8 limiting for night photography
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