Compare Sigma 12-24mm F4 DG HSM vs Tokina opera 16-28mm F2.8 vs Tokina AT-X 14-20mm F2 Pro
Construction
Aperture Blades
9 blades
9 blades
9 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Wide-Angle Zoom Lens
Image Size
Full-Frame
Full-Frame
APS-C
Lens Barrel
Distance scale
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount
Motor
Ring-type ultrasonic
Micromotor
Optical Formula | Elements
16 elements
15 elements
13 elements
Optical Formula | Groups
11 groups
13 groups
11 groups
Optical Formula | Special Glass
FLD + aspheric elements, Super Multi-Layer coating groups
3 aspherical + 3 SD elements, Multi Coating groups
2 super low dispersion + multilayer film coating groups
Dimensions
Filter Diameter
82 mm / 3.23 in
Size | Diameter
101 mm / 3.98 in
89 mm / 3.50 in
89 mm / 3.50 in
Size | Length
132 mm / 5.20 in
134 mm / 5.28 in
106 mm / 4.17 in
Weight
1150 g / 40.64 oz
940 g / 33.22 oz
725 g / 25.62 oz
Function
Angle Of View
122.0° Diagonal | 112.6° Horizontal | 90.0° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/4 ~ f/22
f/2.8 ~ f/22
f/2 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
12 mm ~ 24 mm
16 mm ~ 28 mm
14 mm ~ 20 mm
Focal Length (35mm Equivalent)
21.0 mm ~ 30.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
Zoom Type
External zoom
External zoom
Internal zoom
Performance
Max Magnification
0.2x
0.19x
0.12x
Min Focus Distance
240 mm / 9.45 in
280 mm / 11.02 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: BH-823 (supplied)
Debut
2016-09-19
2019-02-22
2015-12-28
Made In
Japan
Reviews
Neofiliac score
38%
31%
50%
Pros
- Weather-sealed
- Quite good level of resolution
- Smart clutch AF-MF mechanism
- Internal zoom
- Good image quality
Cons
- Dark maximum aperture
- Very large and heavy
- Lacks front filter thread
- Large and heavy
- Lacks front filter thread
- Narrow zoom range
- Lacks weather sealing
- Very large and heavy for an APS-C lens
- Not as well built as some alternatives
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