Compare Samyang 135mm F2.0 ED UMC vs 7Artisans M50mm F1.1

Construction

Aperture Blades
9 blades
12 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, Distance scale, DoF scale
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
Leica M-mount
Material
Aluminum
Optical Formula | Elements
11 elements
7 elements
Optical Formula | Groups
7 groups
6 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
55 mm / 2.17 in
Size | Diameter
82 mm / 3.23 in
60 mm / 2.36 in
Size | Length
122 mm / 4.80 in
49 mm / 1.93 in
Weight
830 g / 29.33 oz
400 g / 14.13 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/1.1 ~ f/16
Autofocus
No
No
Focal Length
135 mm
50 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Min Focus Distance
800 mm / 31.50 in
700 mm / 27.56 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2015-01-12
2017-12-09

Reviews

Neofiliac score
50%
68%
Pros
  • Smooth rendering
  • Good resolution
  • Bright maximum aperture
  • Short barrel
  • 12-bladed aperture produces well-defined sunstars
  • Better built than most 7Artisan lenses
Cons
  • On the heavy side
  • Lacks weather sealing
  • Hard to MF at this focal length
  • Lacks weather sealing
  • Voigtlander and Zeiss have stronger alternatives

Price

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