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Compare Samyang 20mm F1.8 ED AS UMC vs Tokina atx-i 17-35mm F4

Variants
EF-mount
F-mount

Construction

Aperture Blades
7 blades
9
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-frame
Lens Barrel
Physical aperture ring, 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
Motor
Silent-Drive focusing Motor (SD-M)
Optical Formula | Elements
13 elements
13 elements
Optical Formula | Groups
12 groups
12 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
82 mm
Size | Diameter
83 mm / 3.27 in
89 mm
Size | Length
88 mm / 3.46 in
Weight
497 g / 17.56 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
104°-64°
Aperture
f/1.8 ~ f/22
F/4 - f/22
Autofocus
No
Focal Length
20 mm
17-35 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
No
Zoom Type
Internal Zoom

Performance

Max Magnification
1:4.82
Min Focus Distance
200 mm / 7.87 in
0.28 m

Production

Accessory
Lens hood included
Lens Hood: BH-821
Availability
2020-12-11
Debut
2016-08-08
2020-11-20
Made In
Japan

Reviews

Neofiliac score
59%
Pros
  • Rather affordable
Cons
  • Lacks weather sealing
  • Not the highest grade of build

Price

Offers (incl. referral links)
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