Compare Samyang 20mm F1.8 ED AS UMC vs Canon EF 11-24mm F4 vs Canon EF 70-200mm F2.8L IS III USM
Construction
Aperture Blades
7 blades
9 blades, Circular aperture
8 blades
Colors
Black
White
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Telephoto Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Distance scale
Focus limiter, Tripod collar, Distance scale
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
Canon EF-mount
Canon EF-mount
Material
Magnesium alloy
Motor
Ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
13 elements
16 elements
23 elements
Optical Formula | Groups
12 groups
11 groups
19 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Four aspherical, one Super UD, one ED elements. Sub-wavelength structure, air sphere, super spectra, and fluorine coatings. groups
Five fluorite and five UD elements, ASC and fluorine coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
108 mm / 4.25 in
89 mm / 3.50 in
Size | Length
88 mm / 3.46 in
132 mm / 5.20 in
199 mm / 7.83 in
Weight
497 g / 17.56 oz
1180 g / 41.70 oz
1440 g / 50.88 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)
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (tele)
Aperture
f/1.8 ~ f/22
f/4 ~ f/22
f/2.8 ~ f/32
Autofocus
No
Yes
Yes
Focal Length
20 mm
11 mm ~ 24 mm
70 mm ~ 200 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes (3.5 stops)
Weather Resistance
No
Yes
Yes
Zoom Type
Internal zoom
Internal zoom
Performance
Max Magnification
0.16x
Min Focus Distance
200 mm / 7.87 in
280 mm / 11.02 in
1200 mm / 47.24 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2016-08-08
2015-02-06
2018-06-07
Reviews
Neofiliac score
59%
43%
80%
Pros
- Rather affordable
- One of the widest FOV available on FF
- Compelling sharpness
- Internal zoom
- Weather-sealed
- Beautiful construction
- Good AF
- Very sharp
- Optically stabilized
- Internal zoom
- Weather-sealed
- Comes with a tripod collar
Cons
- Lacks weather sealing
- Not the highest grade of build
- Dark maximum aperture
- Large physical size
- On the heavy side
- Lacks front filter thread
- Large and heavy
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