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Compare Samyang 10mm F2.8 ED AS NCS CS vs Pentax-DA 11-18mm F2.8

Construction

Aperture Blades
6 blades, Manual aperture setting via lens ring
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
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
Pentax K-mount
Optical Formula | Elements
14 elements
Optical Formula | Groups
10 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups

Dimensions

Size | Diameter
86 mm / 3.39 in
Size | Length
77 mm / 3.03 in
Weight
580 g / 20.49 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/2.8
Autofocus
No
Yes
Crop Factor
1.5
1.5
Focal Length
10 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
15.0 mm
16.5 mm ~ 27.0 mm
Image Stabilization
No
No
Zoom Type
External zoom

Performance

Min Focus Distance
250 mm / 9.84 in

Production

Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2017-10-26

Reviews

Neofiliac score
40%
40%
Pros
  • One of the widest rectilinear lens for APS-C
  • Reasonable IQ
  • Bright f/2.8 aperture
  • Good build quality
  • Good center resolution
Cons
  • Lacks front filter thread
  • Lacks front filter thread
  • Expensive for an APS-C wide-angle zoom

Price

Offers (incl. referral links)
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