Compare Samyang 135mm F2.0 ED UMC vs Canon EF 400mm F4 DO IS II vs Tokina SZX 400mm F8 Reflex
Construction
Aperture Blades
9 blades
9 blades
Colors
White
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
Motor
Ultrasonic
Optical Formula | Elements
11 elements
18 elements
6 elements
Optical Formula | Groups
7 groups
12 groups
5 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
Anti-smear fluorine coating on front element, large-diameter aspheric element, UD element 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
128 mm / 5.04 in
74 mm / 2.91 in
Size | Length
122 mm / 4.80 in
233 mm / 9.17 in
77 mm / 3.03 in
Weight
830 g / 29.33 oz
2100 g / 74.20 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/4 ~ f/32
f/8 ~ f/8
Autofocus
No
Yes
No
Focal Length
135 mm
400 mm
400 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
No
Weather Resistance
No
Yes
No
Performance
Max Magnification
0.13x
0.4x
Min Focus Distance
800 mm / 31.50 in
3300 mm / 129.92 in
1150 mm / 45.28 in
Production
Accessory
Lens hood included
Lens Hood: ET-120 (supplied), Lens case (400D)
Lens hood included
Debut
2015-01-12
2014-09-15
2020-07-19
Reviews
Neofiliac score
50%
62%
40%
Pros
- Smooth rendering
- Good resolution
- Superb autofocus performance
- Very sharp
- Good flare resistance
- 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
- Some may prefer the f/2.8 version
- Dark maximum aperture
- Lacks weather sealing
- Poor image quality
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