Compare Samyang 10mm F2.8 ED AS NCS CS vs Samyang 16mm F2 ED AS UMC CS vs 7Artisans 25mm F1.8
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
8 blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Normal Prime Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance 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-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, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Material
Metal barrel, metal mount
Aluminum
Optical Formula | Elements
14 elements
13 elements
7 elements
Optical Formula | Groups
10 groups
11 groups
5 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
46 mm / 1.81 in
Size | Diameter
86 mm / 3.39 in
83 mm / 3.27 in
51 mm / 2.01 in
Size | Length
77 mm / 3.03 in
89 mm / 3.50 in
32 mm / 1.26 in
Weight
580 g / 20.49 oz
583 g / 20.60 oz
143 g / 5.05 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
60.0° Diagonal | 51.3° Horizontal | 35.5° Vertical
Aperture
f/2.8 ~ f/22
f/2 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
1.5
Focal Length
10 mm
16 mm
25 mm
Focal Length (35mm Equivalent)
15.0 mm
24.0 mm
37.5 mm
Focus Type
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Performance
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
180 mm / 7.09 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2013-06-13
2017-06-28
Reviews
Neofiliac score
40%
50%
59%
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
- Short barrel
- Light in the hand
- Appears well-built
Cons
- Lacks front filter thread
- Not the best grade of build
- Not the strongest IQ
- Lacks weather sealing
- Not the strongest in optical performance
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