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Compare Samyang 20mm F1.8 ED AS UMC vs Nikon 20mm F1.8G

Construction

Aperture Blades
7 blades
7 blades, Rounded blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Distance 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
Nikon F-mount
Material
Composite
Motor
Ultrasonic
Optical Formula | Elements
13 elements
13 elements
Optical Formula | Groups
12 groups
11 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
2 ED, 2 aspherical groups

Dimensions

Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
83 mm / 3.27 in
Size | Length
88 mm / 3.46 in
81 mm / 3.19 in
Weight
497 g / 17.56 oz
355 g / 12.54 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.8 ~ f/22
f/1.8 ~ f/16
Autofocus
No
Focal Length
20 mm
20 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
0.23x
Min Focus Distance
200 mm / 7.87 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens Hood: HB-72 (supplied), CL-1015 soft lens case
Debut
2016-08-08
2014-09-12

Reviews

Neofiliac score
59%
78%
Pros
  • Rather affordable
  • Good sharpness
  • Well corrected
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Lacks weather sealing

Price

Offers (incl. referral links)
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