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Compare Samyang 20mm F1.8 ED AS UMC vs Nikon 8-15mm F3.5-4.5E

Construction

Aperture Blades
7 blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom 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
Nikon F-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Optical Formula | Elements
13 elements
15 elements
Optical Formula | Groups
12 groups
13 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Three ED + two aspherical elements, Nano Crystal and fluorine coatings groups

Dimensions

Filter Diameter
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
78 mm / 3.07 in
Size | Length
88 mm / 3.46 in
83 mm / 3.27 in
Weight
497 g / 17.56 oz
485 g / 17.14 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
180° Diagonal ~ 110° Diagonal (fisheye)
Aperture
f/1.8 ~ f/22
f/3.5–29 ~ f/4.5–29
Autofocus
No
Yes
Focal Length
20 mm
8 mm ~ 15 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Zoom Type
External zoom

Performance

Max Magnification
0.34x
Min Focus Distance
200 mm / 7.87 in
160 mm / 6.30 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2017-05-31

Reviews

Neofiliac score
59%
50%
Pros
  • Rather affordable
  • 180-degree field of view
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • External zoom without zoom lock
  • Lacks weather sealing
  • Not a rectilinear lens

Price

Offers (incl. referral links)
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