Compare Samyang 20mm F1.8 ED AS UMC vs Laowa 15mm f/4 1:1 Macro vs Laowa Argus 35mm f/0.95
Construction
Aperture Blades
7 blades
14 blades
15 aperture blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Manual focus prime lens
Image Size
Full-Frame
Full-Frame
Full-frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring
Lens Mount
Canon EF-mount, Canon EF-M-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-mount, Leica L-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Sony E-mount, Nikon Z-mount, Canon RF-mount
Optical Formula | Elements
13 elements
12 elements
14 elements
Optical Formula | Groups
12 groups
9 groups
9 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Three high refractive and one ED element groups
1x aspherical, 1x ED, 4x UHR groups
Dimensions
Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
72 mm
Size | Diameter
83 mm / 3.27 in
84 mm / 3.31 in
76.8 mm
Size | Length
88 mm / 3.46 in
65 mm / 2.56 in
103 mm
Weight
497 g / 17.56 oz
410 g / 14.49 oz
755 g
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
63.4°
Aperture
f/1.8 ~ f/22
f/4 ~ f/32
F/0.95 ~ f/16
Autofocus
No
No
Manual focus only
Focal Length
20 mm
15 mm
35 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
1x
0.1x
Min Focus Distance
200 mm / 7.87 in
470 mm / 18.50 in
50 cm
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2015-06-23
2021-09
Made In
China
China
Reviews
Neofiliac score
59%
50%
Pros
- Rather affordable
- 1:1 reproduction
- One of the widest macro lens for FF
- Unique +/- 6mm shift feature
Cons
- Lacks weather sealing
- Not the highest grade of build
- Dark maximum aperture
- Lacks weather sealing
- No EXIF communication
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