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Compare Laowa 20mm F4 Zero-D Shift vs Fujifilm GF 20-35mm F4 vs Pentax-FA645 35mm F3.5

Construction

Aperture Blades
14 blades
9 blades, Rounded blades
9 blades, Rounded aperture
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (44x33)
Medium Format (44x33)
Medium Format (645)
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring
Physical aperture ring, 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
Fujifilm G-mount
Pentax 645 KAF2 bayonet
Optical Formula | Elements
16 elements
14 elements
10 elements
Optical Formula | Groups
11 groups
10 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED elements groups
Three aspherical, one aspherical extra-low dispersion (ED), three ED elements. groups
HRI and hybrid aspherical elements, HD and SP coatings groups

Dimensions

Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
95 mm / 3.74 in
89 mm / 3.50 in
88 mm / 3.46 in
Size | Length
91 mm / 3.58 in
113 mm / 4.45 in
90 mm / 3.54 in
Weight
747 g / 26.40 oz
725 g / 25.62 oz
570 g / 20.14 oz

Function

Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical (wide) ~ 76.1° Diagonal | 66.1° Horizontal | 46.9° Vertical (tele)
89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical
Aperture
f/4 ~ f/22
f/4 ~ f/22
f/3.5 ~ f/32
Autofocus
No
Yes
Yes
Crop Factor
0.8
0.8
0.6
Focal Length
20 mm
20 mm ~ 35 mm
35 mm
Focal Length (35mm Equivalent)
15.8 mm
15.8 mm ~ 27.7 mm
21.7 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Zoom Type
Internal zoom

Performance

Max Magnification
0.17x
0.25x
Min Focus Distance
250 mm / 9.84 in
350 mm / 13.78 in
300 mm / 11.81 in

Production

Accessory
Lens hood included
Lens Hood: PH-RBE82 (supplied)
Debut
2022-03-28
2022-09-08
2015-11-11

Reviews

Neofiliac score
75%
89%
68%
Pros
  • Comes with physical aperture ring
  • Shift functionality
  • 14-bladed aperture
  • Internal zoom
  • Weather-sealed
  • Comes with physical aperture ring
  • Superb build quality
  • Great image quality
  • 0.25x reproduction ratio
  • Rather compact for what it is
  • Comes with physical aperture ring
Cons
  • Large diameter
  • Not the brightest
  • Lacks weather sealing

Price

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