Compare Samyang 35mm F1.4 AS UMC vs Tokina Firin 20mm F2 MF
Construction
Aperture Blades
9 blades
Colors
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-mount
Sony E-mount
Optical Formula | Elements
12 elements
13 elements
Optical Formula | Groups
10 groups
11 groups
Optical Formula | Special Glass
2 high-refraction glass elements1 aspherical element groups
Multi-layer coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
62 mm / 2.44 in
Size | Diameter
63 mm / 2.48 in
62 mm / 2.44 in
Size | Length
112 mm / 4.41 in
69 mm / 2.72 in
Weight
660 g / 23.32 oz
490 g / 17.31 oz
Function
Angle Of View
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.4 ~ f/22
f/2 ~ f/22
Autofocus
No
No
Focal Length
35 mm
20 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.1x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Debut
2010-09-16
2016-09-08
Reviews
Neofiliac score
68%
59%
Pros
- Bright maximum aperture
- Good level of resolution
- Great build quality
- Very sharp
- Low distortion
Cons
- Quite large and heavy
- Lacks weather sealing
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