Compare Samyang 12mm F2.0 NCS CS vs 7artisans 55mm F1.4 vs Samyang 21mm F1.4 ED AS UMC CS
Construction
Aperture Blades
6 blades
9 blades
9 blades, Circular blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Wide-Angle Prime Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF 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
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Material
Aluminum
Optical Formula | Elements
12 elements
6 elements
8 elements
Optical Formula | Groups
10 groups
5 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED glass elements groups
3 aspherical and 2 ED elements + Ultra Multi Coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
52 mm / 2.05 in
58 mm / 2.28 in
Size | Diameter
73 mm / 2.87 in
60 mm / 2.4 in
64 mm / 2.52 in
Size | Length
59 mm / 2.32 in
65 mm / 2.60 in
68 mm / 2.68 in
Weight
260 g / 9.19 oz
272 g / 9.61 oz
275 g / 9.72 oz
Function
Angle Of View
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
Aperture
f/2 ~ f/22
f/1.4 ~ f/16
f/1.4 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
1.5
Focal Length
12 mm
55 mm
21 mm
Focal Length (35mm Equivalent)
18.0 mm
82.5 mm
31.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Min Focus Distance
200 mm / 7.87 in
420 mm / 16.54 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2014-03-21
2021
2015-09-21
Reviews
Neofiliac score
59%
59%
50%
Pros
- Interesting FOV
- Good level of resolution
- Great sunstar performance
- Bright maximum aperture
- Bright maximum aperture
- Very sharp
- Good color rendition
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
- Lacks weather sealing
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