Site Title

Compare Samyang 12mm F2.8 ED AS NCS Fisheye vs Tokina Firin 20mm F2 MF vs Tokina Opera 50mm F1.4

Reviews

Neo score
40%
59%
68%
Pros
  • 180° FOV
  • Reasonably good sunstar
  • Great build quality
  • Very sharp
  • Low distortion
  • Bright maximum aperture
  • Weather-sealed
  • Superb image quality
  • Considerate lens hood with filter window
Cons
  • Lacks front filter thread
  • Lacks weather sealing
  • Not the sharpest
  • Lacks weather sealing
  • Very heavy for an f/1.4 standard lens

Price

Offers (incl. referral links)

Construction

Aperture Blades
7 blades, Circular blades
9 blades
9 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Sony E-mount
Canon EF-mount, Nikon F-mount
Motor
Ring-type ultrasonic
Optical Formula | Elements
12 elements
13 elements
15 elements
Optical Formula | Groups
8 groups
11 groups
9 groups
Optical Formula | Special Glass
2 aspherical, 3 ED, nano coating system groups
Multi-layer coatings groups
Aspherical + low-dispersion elements, ELR coating groups

Dimensions

Filter Diameter
62 mm / 2.44 in
72 mm / 2.83 in
Size | Diameter
77 mm / 3.03 in
62 mm / 2.44 in
80 mm / 3.15 in
Size | Length
73 mm / 2.87 in
69 mm / 2.72 in
108 mm / 4.25 in
Weight
515 g / 18.20 oz
490 g / 17.31 oz
950 g / 33.57 oz

Function

Angle Of View
180° Diagonal (fisheye)
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/2.8 ~ f/22
f/2 ~ f/22
f/1.4 ~ f/16
Autofocus
No
No
Yes
Focal Length
12 mm
20 mm
50 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Yes

Performance

Max Magnification
0.1x
Min Focus Distance
200 mm / 7.87 in
280 mm / 11.02 in
400 mm / 15.75 in

Production

Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2014-11-01
2016-09-08
2018-02-28
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