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Compare Samyang 20mm F1.8 ED AS UMC vs Zeiss Otus 28mm F1.4

Construction

Aperture Blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
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
Canon EF-mount, Nikon F-mount
Material
Magnesium alloy
Optical Formula | Elements
13 elements
16 elements
Optical Formula | Groups
12 groups
13 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Aspherical + APD elements, T* coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
95 mm / 3.74 in
Size | Diameter
83 mm / 3.27 in
88 mm / 3.46 in
Size | Length
88 mm / 3.46 in
137 mm / 5.39 in
Weight
497 g / 17.56 oz
1390 g / 49.12 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
No
Focal Length
20 mm
28 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.18
Min Focus Distance
200 mm / 7.87 in
300 mm / 11.81 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2015-10-14

Reviews

Neofiliac score
59%
70%
Pros
  • Rather affordable
  • Bright maximum aperture
  • The finest built quality
  • Exceptional image quality
  • Gorgeous rendering
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Quite large
  • On the heavy side
  • Rubber focus ring not as nice as metal ones

Price

Offers (incl. referral links)
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