Compare Samyang 135mm F2.0 ED UMC vs Sony 50mm F1.2 GM

Construction

Aperture Blades
9 blades
11 blades
Colors
Black
Form Factor
Medium Telephoto Prime Lens
Normal 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, Canon EF-M-mount, Micro Four Thirds-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
Material
Magnesium alloy
Motor
Linear Motor
Optical Formula | Elements
11 elements
14 elements
Optical Formula | Groups
7 groups
10 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
3 'extreme aspherical' elements, Nano AR II coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
72 mm / 2.83 in
Size | Diameter
82 mm / 3.23 in
87 mm / 3.43 in
Size | Length
122 mm / 4.80 in
108 mm / 4.25 in
Weight
830 g / 29.33 oz
778 g / 27.49 oz

Function

Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/2 ~ f/22
f/1.2 ~ f/16
Autofocus
No
Yes
Focal Length
135 mm
50 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes

Performance

Max Magnification
0.17x
Min Focus Distance
800 mm / 31.50 in
400 mm / 15.75 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2015-01-12
2021-03-16
Model Name
SEL50F12GM

Reviews

Neofiliac score
50%
88%
Pros
  • Smooth rendering
  • Good resolution
  • Very bright maximum aperture
  • Weather-sealed
  • Declickable aperture ring
  • Excellent contrast
  • Very fast autofocus
  • Well-corrected
Cons
  • On the heavy side
  • Lacks weather sealing
  • Hard to MF at this focal length
  • Somewhat heavy

Price

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