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Compare Samyang 135mm F2.0 ED UMC vs Samyang AF 18mm F2.8

Construction

Aperture Blades
9 blades
7 blades
Form Factor
Medium Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
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
Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
11 elements
9 elements
Optical Formula | Groups
7 groups
8 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
2 HR, 3 aspherical, 3 ED elements + UMC coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
58 mm / 2.28 in
Size | Diameter
82 mm / 3.23 in
64 mm / 2.52 in
Size | Length
122 mm / 4.80 in
61 mm / 2.40 in
Weight
830 g / 29.33 oz
145 g / 5.12 oz

Function

Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/2 ~ f/22
f/2.8 ~ f/22
Autofocus
No
Yes
Focal Length
135 mm
18 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
0.09x
Min Focus Distance
800 mm / 31.50 in
250 mm / 9.84 in

Production

Accessory
Lens hood included
Debut
2015-01-12
2019-08-29
Made In
Korea

Reviews

Neofiliac score
50%
59%
Pros
  • Smooth rendering
  • Good resolution
  • Light and compact
  • Fast autofocus
  • High contrast
  • Good sharpness
Cons
  • On the heavy side
  • Lacks weather sealing
  • Hard to MF at this focal length
  • Low maximum magnification
  • Lacks weather sealing
  • Focus breathing
  • Strong vignetting wide open
  • Full plastic construction

Price

Offers (incl. referral links)
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