Compare Samyang 20mm F1.8 ED AS UMC vs Samyang AF 35mm F1.8
Construction
Aperture Blades
7 blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
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
Sony E-mount
Motor
Linear Motor
Optical Formula | Elements
13 elements
10 elements
Optical Formula | Groups
12 groups
8 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
2 aspherical + 2 HRI elements, Ultra Multi Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
58 mm / 2.28 in
Size | Diameter
83 mm / 3.27 in
65 mm / 2.56 in
Size | Length
88 mm / 3.46 in
64 mm / 2.52 in
Weight
497 g / 17.56 oz
210 g / 7.42 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
Aperture
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
Yes
Focal Length
20 mm
35 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.17x
Min Focus Distance
200 mm / 7.87 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2020-09-14
Made In
Korea
Reviews
Neofiliac score
59%
76%
Pros
- Rather affordable
- Light in the hand
- Weather-sealed
- Good sharpness
- Fast autofocus
- Very compact
Cons
- Lacks weather sealing
- Not the highest grade of build
- Not as sharp as Sony's 35mm F1.8
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