Compare Laowa 20mm F4 Zero-D Shift vs Samyang T-S 24mm F3.5 vs Samyang AF 18mm F2.8
Construction
Aperture Blades
14 blades
8 blades
7 blades
Colors
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, Pentax K-mount, Sony A-mount, Sony E-mount
Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
16 elements
16 elements
9 elements
Optical Formula | Groups
11 groups
11 groups
8 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
2 aspheric elements groups
2 HR, 3 aspherical, 3 ED elements + UMC coating groups
Dimensions
Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
58 mm / 2.28 in
Size | Diameter
95 mm / 3.74 in
86 mm / 3.39 in
64 mm / 2.52 in
Size | Length
91 mm / 3.58 in
112 mm / 4.41 in
61 mm / 2.40 in
Weight
747 g / 26.40 oz
680 g / 24.03 oz
145 g / 5.12 oz
Function
Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/4 ~ f/22
f/3.5 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Yes
Crop Factor
0.8
Focal Length
20 mm
24 mm
18 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.17x
0.09x
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Debut
2022-03-28
2012-09-07
2019-08-29
Made In
Korea
Reviews
Neofiliac score
75%
40%
59%
Pros
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Affordable tilt-shift form factor
- Good level of resolution
- Light and compact
- Fast autofocus
- High contrast
- Good sharpness
Cons
- Large diameter
- Lacks weather sealing
- Not the best optical performance overall
- Low maximum magnification
- Lacks weather sealing
- Focus breathing
- Strong vignetting wide open
- Full plastic construction
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