Compare Samyang 10mm F2.8 ED AS NCS CS vs Laowa 25mm f/2.8 2.5-5X Ultra Macro vs Canon RF 14-35mm F4
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
8 blades
9 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring
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, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount
Canon RF-mount
Material
Magnesium alloy
Motor
Nano ultrasonic
Optical Formula | Elements
14 elements
8 elements
16 elements
Optical Formula | Groups
10 groups
6 groups
12 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
1 low-dispersion element groups
3 UD + 3 aspherical elements, Super Spectra + Sub-wavelength Structure + Air Sphere coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
86 mm / 3.39 in
82 mm / 3.23 in
84 mm / 3.31 in
Size | Length
77 mm / 3.03 in
65 mm / 2.56 in
100 mm / 3.94 in
Weight
580 g / 20.49 oz
400 g / 14.13 oz
540 g / 19.08 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
81.8° Diagonal | 71.5° Horizontal | 51.3° Vertical
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/2.8 ~ f/16
f/4 ~ f/22
Autofocus
No
No
Yes
Crop Factor
1.5
Focal Length
10 mm
25 mm
14 mm ~ 35 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Image Stabilization
No
No
Yes (5.5 stops)
Weather Resistance
No
Yes
Performance
Max Magnification
5x
0.38x
Min Focus Distance
250 mm / 9.84 in
170 mm / 6.69 in
200 mm / 7.87 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood sold separately
Lens hood included
Debut
2013-12-06
2018-03-07
2021-06-29
Made In
China
Reviews
Neofiliac score
40%
31%
71%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Exceptional maximum magnification
- Optional LED ring light and tripod collar available
- Superb image quality
- Low distortion
- Optically stabilized
- Weather-sealed
- Accepts front filters
- Wider focal range than the competition / DSLRs
Cons
- Lacks front filter thread
- Not stabilized
- No lens hood available
- Lacks weather sealing
- Dark maximum aperture
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