Compare Samyang 20mm F1.8 ED AS UMC vs Zeiss Touit 12mm F2.8 vs Sony FE 35mm F1.4 ZA
Construction
Aperture Blades
7 blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra 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
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
Fujifilm X-mount, Sony E-mount
Sony E-mount
Motor
Piezoelectric
Optical Formula | Elements
13 elements
11 elements
12 elements
Optical Formula | Groups
12 groups
8 groups
8 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
3 aspherical elements, Zeiss T* coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
72 mm / 2.83 in
Size | Diameter
83 mm / 3.27 in
82 mm / 3.23 in
79 mm / 3.11 in
Size | Length
88 mm / 3.46 in
86 mm / 3.39 in
112 mm / 4.41 in
Weight
497 g / 17.56 oz
270 g / 9.54 oz
630 g / 22.26 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
Aperture
f/1.8 ~ f/22
f/2.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
Yes
Yes
Crop Factor
1.5
Focal Length
20 mm
12 mm
35 mm
Focal Length (35mm Equivalent)
18 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.11
0.18x
Min Focus Distance
200 mm / 7.87 in
180 mm / 7.09 in
300 mm / 11.81 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: ALC-SH137 (sold separately)
Debut
2016-08-08
2012-09-18
2015-03-04
Model Name
SEL35F14Z
Reviews
Neofiliac score
59%
70%
80%
Pros
- Rather affordable
- X-mount version with physical aperture ring
- Very light
- Good image quality
- Bright maximum aperture
- Weather-sealed
- Comes with physical aperture ring
- Great rendering
- Good flare resistance
Cons
- Lacks weather sealing
- Not the highest grade of build
- Extremely high sample variation
- Not very sharp
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