Compare Samyang 20mm F1.8 ED AS UMC vs Laowa 100mm f/2.8 2X Ultra Macro vs Sony FE 35mm F1.8
Construction
Aperture Blades
7 blades
13 blades, Nikon and Pentax mounts have 7 aperture blades.
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF 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
Canon EF-mount, Canon RF-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount
Sony E-mount
Material
Aluminum, composite
Motor
Linear Motor
Optical Formula | Elements
13 elements
12 elements
11 elements
Optical Formula | Groups
12 groups
10 groups
9 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
1 aspherical element 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
66 mm / 2.60 in
Size | Length
88 mm / 3.46 in
125 mm / 4.92 in
73 mm / 2.87 in
Weight
497 g / 17.56 oz
638 g / 22.54 oz
280 g / 9.89 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
Aperture
f/1.8 ~ f/22
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
Yes
Focal Length
20 mm
100 mm
35 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Yes
Performance
Max Magnification
2x
0.24x
Min Focus Distance
200 mm / 7.87 in
250 mm / 9.84 in
220 mm / 8.66 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2018-04-20
2019-07-09
Made In
China
Model Name
SEL35F18F
Reviews
Neofiliac score
59%
59%
80%
Pros
- Rather affordable
- High 2x maximum magnification
- Apochromatic design
- Very compact and light
- Weather-sealed
- Fast autofocus
Cons
- Lacks weather sealing
- Not the highest grade of build
- Lacks weather sealing
- Quite long, though not expectedly so
- No aperture ring
- Fewer features than newer Sony lenses
- Vignetting at f/1.8
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