Compare Samyang 10mm F2.8 ED AS NCS CS vs Laowa 20mm F4 Zero-D Shift vs Pentax 07 Mount Shield Lens
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
14 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
APS-C
Medium Format (44x33)
1/1.7"
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
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
Canon EF-mount, Canon RF-mount, Fujifilm G-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount
Pentax Q-mount
Optical Formula | Elements
14 elements
16 elements
1 elements
Optical Formula | Groups
10 groups
11 groups
1 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
2 aspherical elements, 3 ED elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
Size | Diameter
86 mm / 3.39 in
95 mm / 3.74 in
41 mm / 1.61 in
Size | Length
77 mm / 3.03 in
91 mm / 3.58 in
7 mm / 0.28 in
Weight
580 g / 20.49 oz
747 g / 26.40 oz
8 g / 0.28 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
44.5° Diagonal | 37.6° Horizontal | 25.6° Vertical
Aperture
f/2.8 ~ f/22
f/4 ~ f/22
f/9
Autofocus
No
No
No
Crop Factor
1.5
0.8
4.6
Focal Length
10 mm
20 mm
11.5 mm
Focal Length (35mm Equivalent)
15.0 mm
15.8 mm
52.9 mm
Focus Type
Internal
Image Stabilization
No
No
No
Performance
Max Magnification
0.17x
Min Focus Distance
250 mm / 9.84 in
250 mm / 9.84 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2022-03-28
2013-06-12
Reviews
Neofiliac score
40%
75%
40%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Interesting "body cap" form factor
Cons
- Lacks front filter thread
- Large diameter
- Limited f/9 aperture
- Image quality was not on the mind of its engineers
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