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Compare Samyang 20mm F1.8 ED AS UMC vs Zeiss Otus 55mm F1.4

Construction

Aperture Blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
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, Nikon F-mount
Material
Metal barrel, metal mout
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
1 double-sided aspheric element, 6 anomalous partial dispersion glass elements groups

Dimensions

Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
92 mm / 3.62 in
Size | Length
88 mm / 3.46 in
141 mm / 5.55 in
Weight
497 g / 17.56 oz
970 g / 34.28 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
43.0° Diagonal | 36.2° Horizontal | 24.6° Vertical
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
No
Focal Length
20 mm
55 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.15
Min Focus Distance
200 mm / 7.87 in
500 mm / 19.69 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2013-10-07

Reviews

Neofiliac score
59%
61%
Pros
  • Rather affordable
  • Bright maximum aperture
  • The finest built quality
  • The best image quality found on a photographic lens
  • Exceptional rendering
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Large physical size with large diameter and long barrel
  • On the heavy side
  • Rubber focus ring not as nice as metal ones

Price

Offers (incl. referral links)
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