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Compare Samyang 10mm F2.8 ED AS NCS CS vs Tokina Firin 20mm F2 MF vs Tokina Opera 50mm F1.4

Reviews

Neo score
40%
59%
68%
Pros
  • One of the widest rectilinear lens for APS-C
  • Reasonable IQ
  • Bright f/2.8 aperture
  • 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
  • Very heavy for an f/1.4 standard lens

Price

Offers (incl. referral links)

Construction

Aperture Blades
6 blades, Manual aperture setting via lens ring
9 blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Distance scale
Lens Mount
Canon EF-M-mount, Canon EF-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
Canon EF-mount, Nikon F-mount
Motor
Ring-type ultrasonic
Optical Formula | Elements
14 elements
13 elements
15 elements
Optical Formula | Groups
10 groups
11 groups
9 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element 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
86 mm / 3.39 in
62 mm / 2.44 in
80 mm / 3.15 in
Size | Length
77 mm / 3.03 in
69 mm / 2.72 in
108 mm / 4.25 in
Weight
580 g / 20.49 oz
490 g / 17.31 oz
950 g / 33.57 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
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
Crop Factor
1.5
Focal Length
10 mm
20 mm
50 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes

Performance

Max Magnification
0.1x
Min Focus Distance
250 mm / 9.84 in
280 mm / 11.02 in
400 mm / 15.75 in

Production

Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Lens hood included
Debut
2013-12-06
2016-09-08
2018-02-28
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