Compare Samyang 24mm F1.4 ED AS IF UMC vs Tokina Firin 20mm F2 MF vs Tokina SZX 400mm F8 Reflex
Construction
Aperture Blades
9 blades
Colors
Black
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Super Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-mount
Sony E-mount
Canon EF-mount, Micro Four Thirds-mount, Nikon F-mount, Sony E-mount
Optical Formula | Elements
13 elements
13 elements
6 elements
Optical Formula | Groups
12 groups
11 groups
5 groups
Optical Formula | Special Glass
4 ED glass elements, 2 aspherical elements groups
Multi-layer coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
62 mm / 2.44 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
62 mm / 2.44 in
74 mm / 2.91 in
Size | Length
69 mm / 2.72 in
77 mm / 3.03 in
Weight
490 g / 17.31 oz
355 g / 12.54 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
Aperture
f/1.4 ~ f/22
f/2 ~ f/22
f/8 ~ f/8
Autofocus
No
No
No
Focal Length
24 mm
20 mm
400 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
No
No
Performance
Max Magnification
0.1x
0.4x
Min Focus Distance
250 mm / 9.84 in
280 mm / 11.02 in
1150 mm / 45.28 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2011-08-12
2016-09-08
2020-07-19
Reviews
Neofiliac score
59%
59%
40%
Pros
- Bright maximum aperture
- Affordable choice in its class
- Great build quality
- Very sharp
- Low distortion
- Very compact for 400mm
- Very affordable
Cons
- Lacks weather sealing
- Not the best IQ
- Not the highest grade of construction
- Lacks weather sealing
- Dark maximum aperture
- Lacks weather sealing
- Poor image quality
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