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Compare Samyang 21mm F1.4 ED AS UMC CS vs 7Artisans 12mm F2.8

Construction

Aperture Blades
9 blades, Circular blades
7 blades
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
APS-C
Lens Barrel
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, Sony E-mount
Canon EF-M-mount, Fujifilm X-mount, Sony E-mount, MFT-mount
Material
Aluminum
Optical Formula | Elements
8 elements
10 elements
Optical Formula | Groups
7 groups
8 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
Multi-layer coating groups

Dimensions

Filter Diameter
58 mm / 2.28 in
46 mm / 1.81 in
Size | Diameter
64 mm / 2.52 in
Size | Length
68 mm / 2.68 in
66 mm / 2.60 in
Weight
275 g / 9.72 oz
295 g / 10.42 oz

Function

Angle Of View
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/1.4 ~ f/22
f/2.8 ~ f/16
Autofocus
No
No
Crop Factor
1.5
1.5
Focal Length
21 mm
12 mm
Focal Length (35mm Equivalent)
31.5 mm
18.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Min Focus Distance
280 mm / 11.02 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2015-09-21
2017-12-11
Made In
China

Reviews

Neofiliac score
50%
40%
Pros
  • Bright maximum aperture
  • Very sharp
  • Good color rendition
  • Tactile physical controls
  • Very affordable
Cons
  • Lacks weather sealing
  • Lacks weather sealing
  • Not as solid as more premium alternatives
  • Not the best optically

Price

Offers (incl. referral links)
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