Compare Laowa 20mm F4 Zero-D Shift vs Tamron SP 15-30mm F/2.8 G2 vs Tamron 28-75mm F/2.8 Di III G2
Construction
Aperture Blades
14 blades
9 blades
9 blades, Circular Diaphragm
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
Medium Format (44x33)
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Distance 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
Sony E-mount, Sony E-mount
Motor
Ring-type ultrasonic
Linear Motor
Optical Formula | Elements
16 elements
18 elements
17 elements
Optical Formula | Groups
11 groups
13 groups
15 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
2 eXpanded glass molded aspherical + 1 molded glass aspherical + 3 aspherical elements, Anti-reflection eXpand + BBAR + fluorine coatings groups
Dimensions
Filter Diameter
82 mm / 3.23 in
67 mm / 2.64 in
Size | Diameter
95 mm / 3.74 in
98 mm / 3.86 in
76 mm / 2.99 in
Size | Length
91 mm / 3.58 in
145 mm / 5.71 in
118 mm / 4.65 in
Weight
747 g / 26.40 oz
1110 g / 39.22 oz
540 g / 19.08 oz
Function
Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
Aperture
f/4 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
Yes
Yes
Crop Factor
0.8
Focal Length
20 mm
15 mm ~ 30 mm
28 mm ~ 75 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
Yes (4.5 stops)
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.17x
0.2x
0.37x
Min Focus Distance
250 mm / 9.84 in
280 mm / 11.02 in
180 mm / 7.09 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2022-03-28
2018-08-31
2021-08-05
Model Name
A041
A063
Reviews
Neofiliac score
75%
50%
69%
Pros
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Optically stabilized
- Weather-sealed
- Good center sharpness
- Interesting focal range
- Very sharp
- Weather-sealed
- Added customizability
- Priced like the G1
- Better built than the G1
Cons
- Large diameter
- Large and heavy
- Lacks front filter thread
- External zoom without zoom lock
- External zoom without zoom lock
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