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Compare Samyang 21mm F1.4 ED AS UMC CS vs Laowa 17mm f/1.8

Construction

Aperture Blades
9 blades, Circular blades
7 blades
Colors
Black
Form Factor
Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
APS-C
MFT
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
Micro Four Thirds-mount
Optical Formula | Elements
8 elements
9 elements
Optical Formula | Groups
7 groups
7 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
Frog Eye Coating (FEC) groups

Dimensions

Filter Diameter
58 mm / 2.28 in
46 mm / 1.81 in
Size | Diameter
64 mm / 2.52 in
55 mm / 2.17 in
Size | Length
68 mm / 2.68 in
51 mm / 2.01 in
Weight
275 g / 9.72 oz
172 g / 6.08 oz

Function

Angle Of View
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
65.0° Diagonal | 55.8° Horizontal | 38.9° Vertical
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/1.8
Autofocus
No
No
Crop Factor
1.5
2.0
Focal Length
21 mm
17 mm
Focal Length (35mm Equivalent)
31.5 mm
34.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Min Focus Distance
280 mm / 11.02 in
150 mm / 5.91 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2015-09-21
2019-10-21
Made In
China

Reviews

Neofiliac score
50%
50%
Pros
  • Bright maximum aperture
  • Very sharp
  • Good color rendition
  • Very light in the hand
  • Versatile focal length
  • Very affordable
Cons
  • Lacks weather sealing
  • Lacks weather sealing

Price

Offers (incl. referral links)
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