Compare Laowa 20mm F4 Zero-D Shift vs Pentax 03 Fish-Eye
Construction
Aperture Blades
14 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (44x33)
1/1.7"
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
Pentax Q-mount
Material
Plastic mount
Optical Formula | Elements
16 elements
6 elements
Optical Formula | Groups
11 groups
5 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
Size | Diameter
95 mm / 3.74 in
41 mm / 1.61 in
Size | Length
91 mm / 3.58 in
31 mm / 1.22 in
Weight
747 g / 26.40 oz
29 g / 1.02 oz
Function
Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
173° Diagonal (Q7)
Aperture
f/4 ~ f/22
f/5.6
Autofocus
No
No
Crop Factor
0.8
4.6
Focal Length
20 mm
3.2 mm
Focal Length (35mm Equivalent)
15.8 mm
14.7 mm
Focus Type
Internal
Image Stabilization
No
Performance
Max Magnification
0.17x
0.06x
Min Focus Distance
250 mm / 9.84 in
90 mm / 3.54 in
Production
Accessory
Lens hood included
Debut
2022-03-28
2011-06-23
Reviews
Neofiliac score
75%
50%
Pros
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Extremely light and compact
- 173°FOV
Cons
- Large diameter
- Dark and fixed f/5.6 aperture
- Not made for IQ
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