Compare Samyang 20mm F1.8 ED AS UMC vs 7Artisans 25mm F1.8 vs 7Artisans 60mm F2.8 Macro
Construction
Aperture Blades
7 blades
7 blades
10 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Manual focus lens, Macro lens, Prime lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
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-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
E-mount, EF-M-mount, RF-mount, X-mount, Micro Four Thirds, Z-mount
Material
Aluminum
Optical Formula | Elements
13 elements
7 elements
8 elements
Optical Formula | Groups
12 groups
5 groups
7 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
46 mm / 1.81 in
39 mm / 37 mm
Size | Diameter
83 mm / 3.27 in
51 mm / 2.01 in
Size | Length
88 mm / 3.46 in
32 mm / 1.26 in
Weight
497 g / 17.56 oz
143 g / 5.05 oz
550 g
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
60.0° Diagonal | 51.3° Horizontal | 35.5° Vertical
25°
Aperture
f/1.8 ~ f/22
f/1.8 ~ f/22
F/2.8 ~ f/16
Autofocus
No
No
Crop Factor
1.5
Focal Length
20 mm
25 mm
60 mm
Focal Length (35mm Equivalent)
37.5 mm
90 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
N/A
Weather Resistance
No
No
Performance
Max Magnification
1x
Min Focus Distance
200 mm / 7.87 in
180 mm / 7.09 in
26 cm
Production
Accessory
Lens hood included
Debut
2016-08-08
2017-06-28
2019-06
Made In
China
Reviews
Neofiliac score
59%
59%
Pros
- Rather affordable
- Short barrel
- Light in the hand
- Appears well-built
- Good build quality
- Very good bokeh/bakcground blur
- Low chromatic aberration
Cons
- Lacks weather sealing
- Not the highest grade of build
- Lacks weather sealing
- Not the strongest in optical performance
- Very short focus range for macro
- Very sensitive to flare and incident lights
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