Compare Sigma 20mm F1.4 DG HSM vs Canon EF 11-24mm F4 vs Canon RF 14-35mm F4
Construction
Aperture Blades
9 blades, Rounded blades
9 blades, Circular aperture
9 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Wide-Angle Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Canon EF-mount
Canon RF-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ultrasonic
Nano ultrasonic
Optical Formula | Elements
15 elements
16 elements
16 elements
Optical Formula | Groups
11 groups
11 groups
12 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
Four aspherical, one Super UD, one ED elements. Sub-wavelength structure, air sphere, super spectra, and fluorine coatings. groups
3 UD + 3 aspherical elements, Super Spectra + Sub-wavelength Structure + Air Sphere coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
91 mm / 3.58 in
108 mm / 4.25 in
84 mm / 3.31 in
Size | Length
130 mm / 5.12 in
132 mm / 5.20 in
100 mm / 3.94 in
Weight
950 g / 33.57 oz
1180 g / 41.70 oz
540 g / 19.08 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
126.1° Diagonal | 117.1° Horizontal | 95.0° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/4 ~ f/22
f/4 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
11 mm ~ 24 mm
14 mm ~ 35 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes (5.5 stops)
Weather Resistance
No
Yes
Yes
Zoom Type
Internal zoom
Performance
Max Magnification
0.14x
0.16x
0.38x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2015-02-06
2021-06-29
Made In
Japan
Reviews
Neofiliac score
55%
43%
71%
Pros
- High level of resolution
- Bright maximum aperture
- One of the widest FOV available on FF
- Compelling sharpness
- Internal zoom
- Weather-sealed
- Beautiful construction
- Superb image quality
- Low distortion
- Optically stabilized
- Weather-sealed
- Accepts front filters
- Wider focal range than the competition / DSLRs
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Dark maximum aperture
- Large physical size
- On the heavy side
- Lacks front filter thread
- Dark maximum aperture
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