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Compare Laowa 20mm F4 Zero-D Shift vs Pentax-FA 43mm F1.9

Construction

Aperture Blades
14 blades
8 blades
Colors
Black, silver
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Medium Format (44x33)
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
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
Pentax K-mount
Material
Aluminum
Motor
Screw drive from camera
Optical Formula | Elements
16 elements
7 elements
Optical Formula | Groups
11 groups
6 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
HD + Super Protect coatings groups

Dimensions

Filter Diameter
82 mm / 3.23 in
49 mm / 1.93 in
Size | Diameter
95 mm / 3.74 in
64 mm / 2.52 in
Size | Length
91 mm / 3.58 in
27 mm / 1.06 in
Weight
747 g / 26.40 oz
155 g / 5.48 oz

Function

Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/4 ~ f/22
f/1.9 ~ f/22
Autofocus
No
Yes
Crop Factor
0.8
Focal Length
20 mm
43 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.17x
0.12x
Min Focus Distance
250 mm / 9.84 in
450 mm / 17.72 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2022-03-28
2021-02-24

Reviews

Neofiliac score
75%
68%
Pros
  • Comes with physical aperture ring
  • Shift functionality
  • 14-bladed aperture
  • Compact and lightweight
  • Comes with physical aperture ring
Cons
  • Large diameter
  • Lacks weather sealing
  • Expensive for a pancake lens

Price

Offers (incl. referral links)
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