Compare Laowa 20mm F4 Zero-D Shift vs Samyang 24mm F1.4 ED AS IF UMC vs Samyang AF 14mm F2.8
Variants
Canon RF
Sony FE
Construction
Aperture Blades
14 blades
7 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (44x33)
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, Canon RF-mount, Fujifilm G-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-mount
Optical Formula | Elements
16 elements
13 elements
14 elements
Optical Formula | Groups
11 groups
12 groups
10 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
4 ED glass elements, 2 aspherical elements groups
2 ED, 3 aspherical, 1 HR + Ultra Multi Coating groups
Dimensions
Filter Diameter
82 mm / 3.23 in
77 mm / 3.03 in
Size | Diameter
95 mm / 3.74 in
83 mm / 3.27 in
86 mm / 3.39 in
Size | Length
91 mm / 3.58 in
Weight
747 g / 26.40 oz
Function
Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical
Aperture
f/4 ~ f/22
f/1.4 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Yes
Crop Factor
0.8
Focal Length
20 mm
24 mm
14 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.17x
0.12x
Min Focus Distance
250 mm / 9.84 in
250 mm / 9.84 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2022-03-28
2011-08-12
Reviews
Neofiliac score
75%
59%
40%
Pros
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Bright maximum aperture
- Affordable choice in its class
- Rather compact and lightweight
- Wide angle of view
- Good resolution
Cons
- Large diameter
- Lacks weather sealing
- Not the best IQ
- Not the highest grade of construction
- Lacks front filter thread
- Lacks weather sealing
- Notable distortion
- Strong vignetting
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