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Compare Samyang 35mm F1.4 AS UMC vs Sony 20mm F1.8 G

Construction

Colors
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring
Lens Mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-mount
Sony E-mount
Motor
Linear Motor
Optical Formula | Elements
12 elements
14 elements
Optical Formula | Groups
10 groups
12 groups
Optical Formula | Special Glass
2 high-refraction glass elements1 aspherical element groups
2 aspherical + 3 ED elements, Nano AR coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
63 mm / 2.48 in
74 mm / 2.91 in
Size | Length
112 mm / 4.41 in
85 mm / 3.35 in
Weight
660 g / 23.32 oz
373 g / 13.18 oz

Function

Angle Of View
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/16
Autofocus
No
Yes
Focal Length
35 mm
20 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
Yes

Performance

Max Magnification
0.22x
Min Focus Distance
300 mm / 11.81 in
190 mm / 7.48 in

Production

Accessory
Lens hood included
Debut
2010-09-16
2020-02-25
Model Name
SEL20F18G

Reviews

Neofiliac score
68%
88%
Pros
  • Bright maximum aperture
  • Good level of resolution
  • Weather-sealed
  • Declickable aperture ring
  • Very sharp corner to corner
  • Low distortion
Cons
  • Quite large and heavy
  • Not the most solidly-built
  • f/1.8 limiting for night photography

Price

Offers (incl. referral links)
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