Compare Sigma 20mm F1.4 DG HSM vs Tokina Firin 20mm F2 AF
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Sony E-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
15 elements
13 elements
Optical Formula | Groups
11 groups
11 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
3 super-low-dispersion + 2 ED elements groups
Dimensions
Filter Diameter
62 mm / 2.44 in
Size | Diameter
91 mm / 3.58 in
73 mm / 2.87 in
Size | Length
130 mm / 5.12 in
82 mm / 3.23 in
Weight
950 g / 33.57 oz
464 g / 16.40 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.4 ~ f/16
f/2 ~ f/22
Autofocus
Yes
Focal Length
20 mm
20 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.14x
0.1x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens Hood: BH-623 (supplied)
Debut
2015-10-16
2018-02-22
Made In
Japan
Reviews
Neofiliac score
55%
59%
Pros
- High level of resolution
- Bright maximum aperture
- The best image quality from Tokina
- Quite light
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Lacks weather sealing
- Lacks extra features
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