Compare Canon TS-E 50mm F2.8 vs Laowa 20mm F4 Zero-D Shift vs Nikon Z 17-28mm F2.8
Construction
Aperture Blades
9 blades
14 blades
9 blades
Colors
Black
Black
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
Medium Format (44x33)
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-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
Nikon Z-mount
Material
Magnesium alloy
Motor
Stepper motor
Optical Formula | Elements
12 elements
16 elements
13 elements
Optical Formula | Groups
9 groups
11 groups
11 groups
Optical Formula | Special Glass
Molded glass aspherical and UD elements + SWC and ASC coatings groups
2 aspherical elements, 3 ED elements groups
Three aspherical elements, two extra-low dispersion (ED) elements and one Super ED element groups
Dimensions
Filter Diameter
77 mm / 3.03 in
82 mm / 3.23 in
67 mm / 2.64 in
Size | Diameter
87 mm / 3.43 in
95 mm / 3.74 in
75 mm / 2.95 in
Size | Length
115 mm / 4.53 in
91 mm / 3.58 in
101 mm / 3.98 in
Weight
945 g / 33.39 oz
747 g / 26.40 oz
450 g / 15.90 oz
Function
Angle Of View
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
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/2.8 ~ f/32
f/4 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Yes
Crop Factor
0.8
Focal Length
50 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
Yes
Zoom Type
Internal zoom
Performance
Max Magnification
0.5x
0.17x
0.19x
Min Focus Distance
270 mm / 10.63 in
250 mm / 9.84 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood sold separately
Debut
2017-08-29
2022-03-28
2022-09-20
Reviews
Neofiliac score
52%
75%
68%
Pros
- Tilt-shift capability
- 0.5x reproduction ratio
- Superb build quality
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Internal zoom
- Weather-sealed
- Decent image quality
- Light and compact
Cons
- Large diameter
- Lens hood not included
- Low build quality
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