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Compare Samyang 12mm F2.0 NCS CS vs Samyang 20mm F1.8 ED AS UMC

Construction

Aperture Blades
6 blades
7 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Samsung NX-mount, Sony E-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
Optical Formula | Elements
12 elements
13 elements
Optical Formula | Groups
10 groups
12 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED glass elements groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
67 mm / 2.64 in
77 mm / 3.03 in
Size | Diameter
73 mm / 2.87 in
83 mm / 3.27 in
Size | Length
59 mm / 2.32 in
88 mm / 3.46 in
Weight
260 g / 9.19 oz
497 g / 17.56 oz

Function

Angle Of View
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/2 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
Crop Factor
1.5
Focal Length
12 mm
20 mm
Focal Length (35mm Equivalent)
18.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Min Focus Distance
200 mm / 7.87 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2014-03-21
2016-08-08

Reviews

Neofiliac score
59%
59%
Pros
  • Interesting FOV
  • Good level of resolution
  • Great sunstar performance
  • Rather affordable
Cons
  • Not the best grade of build
  • High distortion
  • Lacks weather sealing
  • Not the highest grade of build

Price

Offers (incl. referral links)
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