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Compare Samyang 20mm F1.8 ED AS UMC vs Zeiss Planar T* 2/50 ZM

Construction

Aperture Blades
7 blades
Colors
Silver or black
Form Factor
Ultra Wide-Angle Prime Lens
Normal 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
Leica M-mount
Material
metal barrel, metal mount
Optical Formula | Elements
13 elements
6 elements
Optical Formula | Groups
12 groups
4 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
43 mm / 1.69 in
Size | Diameter
83 mm / 3.27 in
52 mm / 2.05 in
Size | Length
88 mm / 3.46 in
68 mm / 2.68 in
Weight
497 g / 17.56 oz
230 g / 8.13 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/1.8 ~ f/22
f/2 ~ f/22
Autofocus
No
No
Focal Length
20 mm
50 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
0.083
Min Focus Distance
200 mm / 7.87 in
700 mm / 27.56 in

Production

Accessory
Lens hood included
Debut
2016-08-08

Reviews

Neofiliac score
59%
78%
Pros
  • Rather affordable
  • Compact and lightweight
  • Beautiful construction
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Lacks weather sealing
  • Low maximum magnification

Price

Offers (incl. referral links)
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