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Compare Samyang 20mm F1.8 ED AS UMC vs Canon TS-E 50mm F2.8

Construction

Aperture Blades
7 blades
9 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
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
Material
Magnesium alloy
Optical Formula | Elements
13 elements
12 elements
Optical Formula | Groups
12 groups
9 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Molded glass aspherical and UD elements + SWC and ASC coatings groups

Dimensions

Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
87 mm / 3.43 in
Size | Length
88 mm / 3.46 in
115 mm / 4.53 in
Weight
497 g / 17.56 oz
945 g / 33.39 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/2.8 ~ f/32
Autofocus
No
No
Focal Length
20 mm
50 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.5x
Min Focus Distance
200 mm / 7.87 in
270 mm / 10.63 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2017-08-29

Reviews

Neofiliac score
59%
52%
Pros
  • Rather affordable
  • Tilt-shift capability
  • 0.5x reproduction ratio
  • Superb build quality
Cons
  • Lacks weather sealing
  • Not the highest grade of build

Price

Offers (incl. referral links)
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