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Compare Samyang 8mm F2.8 UMC Fisheye II vs Samyang 20mm F1.8 ED AS UMC

Construction

Aperture Blades
6 blades
7 blades
Colors
Silver, black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Samsung NX-mount, Sony E-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
Optical Formula | Elements
11 elements
13 elements
Optical Formula | Groups
8 groups
12 groups
Optical Formula | Special Glass
2 aspherical + 3 ED, Ultra Multi Coating groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
Size | Diameter
60 mm / 2.36 in
83 mm / 3.27 in
Size | Length
65 mm / 2.56 in
88 mm / 3.46 in
Weight
265 g / 9.36 oz
497 g / 17.56 oz

Function

Angle Of View
180° Diagonal (fisheye)
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
Crop Factor
1.5
Focal Length
8 mm
20 mm
Focal Length (35mm Equivalent)
12.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Min Focus Distance
300 mm / 11.81 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Debut
2014-03-21
2016-08-08

Reviews

Neofiliac score
31%
59%
Pros
  • 180° FOV
  • Reasonably well built
  • Rather affordable
Cons
  • Lacks front filter thread
  • Lacks weather sealing
  • Lacks weather sealing
  • Not the highest grade of build

Price

Offers (incl. referral links)
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