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Compare Samyang 10mm F2.8 ED AS NCS CS vs Nikon 20mm F1.8G

Construction

Aperture Blades
6 blades, Manual aperture setting via lens ring
7 blades, Rounded blades
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, 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
Nikon F-mount
Material
Composite
Motor
Ultrasonic
Optical Formula | Elements
14 elements
13 elements
Optical Formula | Groups
10 groups
11 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
2 ED, 2 aspherical groups

Dimensions

Filter Diameter
77 mm / 3.03 in
Size | Diameter
86 mm / 3.39 in
83 mm / 3.27 in
Size | Length
77 mm / 3.03 in
81 mm / 3.19 in
Weight
580 g / 20.49 oz
355 g / 12.54 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/16
Autofocus
No
Crop Factor
1.5
Focal Length
10 mm
20 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.23x
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in

Production

Accessory
Lens Hood: Integrated hood (supplied)
Lens Hood: HB-72 (supplied), CL-1015 soft lens case
Debut
2013-12-06
2014-09-12

Reviews

Neofiliac score
40%
78%
Pros
  • One of the widest rectilinear lens for APS-C
  • Reasonable IQ
  • Bright f/2.8 aperture
  • Good sharpness
  • Well corrected
Cons
  • Lacks front filter thread
  • Lacks weather sealing

Price

Offers (incl. referral links)
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