Compare Samyang 135mm F2.0 ED UMC vs Canon EF 400mm F2.8 L IS III vs Tokina SZX 400mm F8 Reflex
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Form Factor
Medium Telephoto Prime Lens
Super Telephoto Prime Lens
Super Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Focus limiter, Tripod collar, Distance scale
Lens Mount
Canon EF-mount, Canon EF-M-mount, Micro Four Thirds-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, Micro Four Thirds-mount, Nikon F-mount, Sony E-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Optical Formula | Elements
11 elements
17 elements
6 elements
Optical Formula | Groups
7 groups
13 groups
5 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
52 mm / 2.05 in
67 mm / 2.64 in
Size | Diameter
82 mm / 3.23 in
163 mm / 6.42 in
74 mm / 2.91 in
Size | Length
122 mm / 4.80 in
343 mm / 13.50 in
77 mm / 3.03 in
Weight
830 g / 29.33 oz
2840 g / 100.35 oz
355 g / 12.54 oz
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
Aperture
f/2 ~ f/22
f/2.8 ~ f/32
f/8 ~ f/8
Autofocus
No
Yes
No
Focal Length
135 mm
400 mm
400 mm
Focus Type
Internal
Rear
Image Stabilization
No
Yes (5 stops)
No
Weather Resistance
No
Yes
No
Performance
Max Magnification
0.17x
0.4x
Min Focus Distance
800 mm / 31.50 in
2500 mm / 98.43 in
1150 mm / 45.28 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-01-12
2018-09-05
2020-07-19
Reviews
Neofiliac score
50%
62%
40%
Pros
- Smooth rendering
- Good resolution
- Superb autofocus performance
- Very, very sharp
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Very compact for 400mm
- Very affordable
Cons
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Very expensive
- Quite heavy
- Dark maximum aperture
- Lacks weather sealing
- Poor image quality
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