Compare Laowa 20mm F4 Zero-D Shift vs Canon RF 85 F1.2L USM DS

Construction

Aperture Blades
14 blades
9 blades
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime 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
Motor
Ultrasonic
Optical Formula | Elements
16 elements
13 elements
Optical Formula | Groups
11 groups
9 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
BR Optical elements in one location, one UD, one ground aspherical lens groups

Dimensions

Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
95 mm / 3.74 in
103 mm / 4.06 in
Size | Length
91 mm / 3.58 in
117 mm / 4.61 in
Weight
747 g / 26.40 oz
1195 g / 42.23 oz

Function

Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/4 ~ f/22
f/1.2
Autofocus
No
Yes
Crop Factor
0.8
Focal Length
20 mm
85 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes

Performance

Max Magnification
0.17x
0.12x
Min Focus Distance
250 mm / 9.84 in
850 mm / 33.46 in

Production

Accessory
Lens hood included
Debut
2022-03-28
2019-02-14

Reviews

Neofiliac score
75%
80%
Pros
  • Comes with physical aperture ring
  • Shift functionality
  • 14-bladed aperture
  • Very bright maximum aperture
  • Smooth bokeh
  • Very high sharpness
  • Weather-sealed
  • Great for portrait photography
Cons
  • Large diameter
  • DS causes some loss in light transmission

Price

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