Compare Samyang 10mm F2.8 ED AS NCS CS vs 7Artisans 12mm F2.8 vs 7Artisans 50mm F1.05
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
7 blades
13 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Manual focus, Prime lens
Image Size
APS-C
APS-C
Full frame
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-M-mount, Fujifilm X-mount, Sony E-mount, MFT-mount
E-mount, RF-mount, L-mount, Z-mount
Material
Aluminum
Optical Formula | Elements
14 elements
10 elements
10 elements
Optical Formula | Groups
10 groups
8 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
Multi-layer coating groups
Dimensions
Filter Diameter
46 mm / 1.81 in
58 mm
Size | Diameter
86 mm / 3.39 in
Size | Length
77 mm / 3.03 in
66 mm / 2.60 in
Weight
580 g / 20.49 oz
295 g / 10.42 oz
606 g
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
46°
Aperture
f/2.8 ~ f/22
f/2.8 ~ f/16
F/1.05 ~ f/16
Autofocus
No
No
Crop Factor
1.5
1.5
Focal Length
10 mm
12 mm
50 mm
Focal Length (35mm Equivalent)
15.0 mm
18.0 mm
Focus Type
Internal
Image Stabilization
No
No
N/A
Weather Resistance
No
Performance
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
57 cm
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2017-12-11
2020-11
Made In
China
China
Reviews
Neofiliac score
40%
40%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Tactile physical controls
- Very affordable
- Very good bokeh and color rendering
- Good build quality
- Fast autofocus
- Very good contrast
Cons
- Lacks front filter thread
- Lacks weather sealing
- Not as solid as more premium alternatives
- Not the best optically
- Not as sharp as the Mitakon
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