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Compare Samyang 10mm F2.8 ED AS NCS CS vs Samyang AF 18mm F2.8

Construction

Aperture Blades
6 blades, Manual aperture setting via lens ring
7 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
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
Motor
Stepper motor
Optical Formula | Elements
14 elements
9 elements
Optical Formula | Groups
10 groups
8 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
2 HR, 3 aspherical, 3 ED elements + UMC coating groups

Dimensions

Filter Diameter
58 mm / 2.28 in
Size | Diameter
86 mm / 3.39 in
64 mm / 2.52 in
Size | Length
77 mm / 3.03 in
61 mm / 2.40 in
Weight
580 g / 20.49 oz
145 g / 5.12 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
Yes
Crop Factor
1.5
Focal Length
10 mm
18 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No

Performance

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

Production

Accessory
Lens Hood: Integrated hood (supplied)
Debut
2013-12-06
2019-08-29
Made In
Korea

Reviews

Neofiliac score
40%
59%
Pros
  • One of the widest rectilinear lens for APS-C
  • Reasonable IQ
  • Bright f/2.8 aperture
  • Light and compact
  • Fast autofocus
  • High contrast
  • Good sharpness
Cons
  • Lacks front filter thread
  • Low maximum magnification
  • Lacks weather sealing
  • Focus breathing
  • Strong vignetting wide open
  • Full plastic construction

Price

Offers (incl. referral links)
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