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Compare Laowa 12mm f/2.8 Zero-D vs Pentax-FA 31mm F1.8

Construction

Aperture Blades
7 blades
9 blades
Colors
Black, silver
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Canon RF-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Pentax K-mount
Material
Aluminum
Motor
Screw drive from camera
Optical Formula | Elements
16 elements
9 elements
Optical Formula | Groups
10 groups
7 groups
Optical Formula | Special Glass
HD + Super Protect coatings groups

Dimensions

Filter Diameter
58 mm / 2.28 in
Size | Diameter
75 mm / 2.95 in
65 mm / 2.56 in
Size | Length
83 mm / 3.27 in
69 mm / 2.72 in
Weight
609 g / 21.52 oz
341 g / 12.05 oz

Function

Angle Of View
122.0° Diagonal | 112.6° Horizontal | 90.0° Vertical
69.9° Diagonal | 60.3° Horizontal | 42.3° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
Yes
Focal Length
12 mm
31 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.2x
0.16x
Min Focus Distance
180 mm / 7.09 in
300 mm / 11.81 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-07-26
2021-02-24
Made In
China

Reviews

Neofiliac score
50%
50%
Pros
  • One of the widest rectilinear FF lens
  • Solid build quality
  • Low distortion
  • Reasonably sharp
  • Comes with physical aperture ring
  • Beautifully built
Cons
  • Lacks front filter thread
  • Only f/1.8 for the price
  • Lacks weather sealing
  • Unusual focal length

Price

Offers (incl. referral links)
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