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Compare Samyang 20mm F1.8 ED AS UMC vs SIGMA 16mm F1.4 DC DN

Variants
E-mount
EF-M
L-mount
MFT

Construction

Aperture Blades
7 blades
9 (Rounded diaphragm)
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
APS-C
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
Sony E-mount, Leica L-mount, Canon EF-M mount, Micro Four Thirds
Motor
Stepper motor
Optical Formula | Elements
13 elements
16 elements
Optical Formula | Groups
12 groups
13 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Three FLD, two SLD, two aspherical groups

Dimensions

Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
72 mm / 2.83 in
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
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
Yes
Focal Length
20 mm
16 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes

Performance

Max Magnification
0.1x
Min Focus Distance
200 mm / 7.87 in
250 mm / 9.84 in

Production

Accessory
Lens hood included
Lens Hood: LH716-01, supplied
Debut
2016-08-08
Made In
Japan

Reviews

Neofiliac score
59%
Pros
  • Rather affordable
  • F1.4 aperture
  • Very sharp
  • Fast and silent
  • Very good performance
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Not as sharp as some APS-C lenses
  • High chromatic aberrations
  • Small aperture

Price

Offers (incl. referral links)
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