Compare Laowa 20mm F4 Zero-D Shift vs Canon RF 15-35mm F2.8
Construction
Aperture Blades
14 blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Image Size
Medium Format (44x33)
Full-Frame
Lens Barrel
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 RF-mount
Material
Magnesium alloy
Motor
Nano ultrasonic
Optical Formula | Elements
16 elements
16 elements
Optical Formula | Groups
11 groups
12 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
3 aspherical + 2 UD elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
95 mm / 3.74 in
89 mm / 3.50 in
Size | Length
91 mm / 3.58 in
127 mm / 5.00 in
Weight
747 g / 26.40 oz
840 g / 29.68 oz
Function
Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
Aperture
f/4 ~ f/22
f/2.8
Autofocus
No
Yes
Crop Factor
0.8
Focal Length
20 mm
15 mm ~ 35 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes (5 stops)
Weather Resistance
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.17x
0.21x
Min Focus Distance
250 mm / 9.84 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2022-03-28
2019-02-14
Reviews
Neofiliac score
75%
71%
Pros
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- 1mm wider than the EF-mount version
- Low distortion
- Unique image stabilization
- Weather-sealed
- Good sharpness
Cons
- Large diameter
- On the heavy side
- External zoom without zoom lock
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