Compare Samyang 10mm F2.8 ED AS NCS CS vs Samyang 16mm F2 ED AS UMC CS vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
8 blades
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance 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
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
Material
Metal barrel, metal mount
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
1 ED glass element, 1 aspheric element, 1 hybrid aspheric element 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
89 mm / 3.50 in
Weight
580 g / 20.49 oz
583 g / 20.60 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° 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 ~ f/22
f/2.8
Autofocus
No
No
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
10 mm
16 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
15.0 mm
24.0 mm
16.5 mm ~ 27.0 mm
Image Stabilization
No
No
No
Zoom Type
External zoom
Performance
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Lens hood included
Debut
2013-12-06
2013-06-13
2017-10-26
Reviews
Neofiliac score
40%
50%
40%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- A bit large for an APS-C lens
- Good build quality
- Good center resolution
Cons
- Lacks front filter thread
- Not the best grade of build
- Not the strongest IQ
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
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