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Compare Samyang 20mm F1.8 ED AS UMC vs Laowa 100mm f/2.8 2X Ultra Macro

Construction

Aperture Blades
7 blades
13 blades, Nikon and Pentax mounts have 7 aperture blades.
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Canon EF-mount, Canon RF-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount
Optical Formula | Elements
13 elements
12 elements
Optical Formula | Groups
12 groups
10 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
72 mm / 2.83 in
Size | Length
88 mm / 3.46 in
125 mm / 4.92 in
Weight
497 g / 17.56 oz
638 g / 22.54 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
Aperture
f/1.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Focal Length
20 mm
100 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
2x
Min Focus Distance
200 mm / 7.87 in
250 mm / 9.84 in

Production

Accessory
Lens hood included
Debut
2016-08-08
2018-04-20
Made In
China

Reviews

Neofiliac score
59%
59%
Pros
  • Rather affordable
  • High 2x maximum magnification
  • Apochromatic design
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Lacks weather sealing
  • Quite long, though not expectedly so

Price

Offers (incl. referral links)
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