Compare Laowa 10-18mm f/4.5-5.6 vs Laowa 20mm F4 Zero-D Shift vs Tamron 17-28mm F/2.8
Construction
Aperture Blades
7 blades
14 blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
Medium Format (44x33)
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica L-mount, Nikon Z-mount, Sony E-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
Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
14 elements
16 elements
13 elements
Optical Formula | Groups
10 groups
11 groups
11 groups
Optical Formula | Special Glass
1 ED and 2 aspherical elements groups
2 aspherical elements, 3 ED elements groups
LE and ED elements + BBAR and fluorine coating groups
Dimensions
Filter Diameter
37 mm / 1.46 in
82 mm / 3.23 in
67 mm / 2.64 in
Size | Diameter
70 mm / 2.76 in
95 mm / 3.74 in
73 mm / 2.87 in
Size | Length
91 mm / 3.58 in
91 mm / 3.58 in
99 mm / 3.90 in
Weight
496 g / 17.53 oz
747 g / 26.40 oz
420 g / 14.84 oz
Function
Angle Of View
130.4° Diagonal | 121.9° Horizontal | 100.4° Vertical (wide) ~ 100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical (tele)
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
103.7° Diagonal | 93.3° Horizontal | 70.4° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
Aperture
f/4.5–5.6 ~ f/22
f/4 ~ f/22
f/2.8–22 ~ f/2.8–22
Autofocus
No
No
Yes
Crop Factor
0.8
Focal Length
10 mm ~ 18 mm
20 mm
17 mm ~ 28 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.25x
0.17x
0.19x
Min Focus Distance
150 mm / 5.91 in
250 mm / 9.84 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2018-04-20
2022-03-28
2019-02-20
Made In
China
Model Name
A046
Reviews
Neofiliac score
40%
75%
78%
Pros
- Widest rectilinear zoom lens for FF
- Good build quality
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Very good performance at wide end
- Rather compact for an ultra-wide lens
- Weather-sealed
Cons
- Dark maximum aperture
- Lacks weather sealing
- No front filter
- Optically weak
- Large diameter
- Not as sharp as other f/2.8 alternatives
- Relatively slow autofocus
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