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Compare Samyang 20mm F1.8 ED AS UMC vs Sony 12-24mm F2.8 GM

Construction

Aperture Blades
7 blades
9 blades
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
Sony E-mount
Optical Formula | Elements
13 elements
17 elements
Optical Formula | Groups
12 groups
14 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Nano AR II groups

Dimensions

Filter Diameter
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
98 mm / 3.86 in
Size | Length
88 mm / 3.46 in
137 mm / 5.39 in
Weight
497 g / 17.56 oz
847 g / 29.93 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
122.0° Diagonal | 112.6° Horizontal | 90.0° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
Aperture
f/1.8 ~ f/22
f/2.8
Autofocus
No
Yes
Focal Length
20 mm
12 mm ~ 24 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes

Performance

Max Magnification
0.14x
Min Focus Distance
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2020-07-07
Model Name
SEL1224GM

Reviews

Neofiliac score
59%
43%
Pros
  • Rather affordable
  • Weather-sealed
  • Exceptional sharpness
  • Great flare-resistance
  • Low distortion
  • Fast autofocus
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Large and heavy
  • Lacks front filter thread
  • High sample variation
  • Sigma's 14-24 F2.8 is just as sharp

Price

Offers (incl. referral links)
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