Compare Samyang 12mm F2.0 NCS CS vs 7artisans 55mm F1.4 vs 7Artisans 50mm F1.05
Construction
Aperture Blades
6 blades
9 blades
13 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Manual focus, Prime lens
Image Size
APS-C
APS-C
Full frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Samsung NX-mount, Sony E-mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
E-mount, RF-mount, L-mount, Z-mount
Material
Aluminum
Optical Formula | Elements
12 elements
6 elements
10 elements
Optical Formula | Groups
10 groups
5 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED glass elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
52 mm / 2.05 in
58 mm
Size | Diameter
73 mm / 2.87 in
60 mm / 2.4 in
Size | Length
59 mm / 2.32 in
65 mm / 2.60 in
Weight
260 g / 9.19 oz
272 g / 9.61 oz
606 g
Function
Angle Of View
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical
46°
Aperture
f/2 ~ f/22
f/1.4 ~ f/16
F/1.05 ~ f/16
Autofocus
No
No
Crop Factor
1.5
1.5
Focal Length
12 mm
55 mm
50 mm
Focal Length (35mm Equivalent)
18.0 mm
82.5 mm
Focus Type
Internal
Image Stabilization
No
No
N/A
Weather Resistance
No
Performance
Min Focus Distance
200 mm / 7.87 in
420 mm / 16.54 in
57 cm
Production
Accessory
Lens hood included
Debut
2014-03-21
2021
2020-11
Made In
China
Reviews
Neofiliac score
59%
59%
Pros
- Interesting FOV
- Good level of resolution
- Great sunstar performance
- Bright maximum aperture
- Very good bokeh and color rendering
- Good build quality
- Fast autofocus
- Very good contrast
Cons
- Not the best grade of build
- High distortion
- Lacks weather sealing
- Not very solid
- Larger and heavier than Mark I
- Lower maximum magnification than Mark I
- Not as sharp as the Mitakon
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