Compare Samyang 20mm F1.8 ED AS UMC vs 7artisans 55mm F1.4 vs 7Artisans 35mm F0.95
Construction
Aperture Blades
7 blades
9 blades
12 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Manual focus 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, X-mount, EF-M-mount, Micro Four Thirds, Z-mount
Material
Aluminum
Optical Formula | Elements
13 elements
6 elements
11 elements
Optical Formula | Groups
12 groups
5 groups
8 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
52 mm / 2.05 in
52 mm
Size | Diameter
83 mm / 3.27 in
60 mm / 2.4 in
Size | Length
88 mm / 3.46 in
65 mm / 2.60 in
Weight
497 g / 17.56 oz
272 g / 9.61 oz
369 g
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical
43°
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
F/0.95 ~ f/16
Autofocus
No
No
Crop Factor
1.5
Focal Length
20 mm
55 mm
35 mm
Focal Length (35mm Equivalent)
82.5 mm
52.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
N/A
Weather Resistance
No
No
Performance
Min Focus Distance
200 mm / 7.87 in
420 mm / 16.54 in
37 cm
Production
Accessory
Lens hood included
Debut
2016-08-08
2021
2020-11
Made In
China
Reviews
Neofiliac score
59%
59%
Pros
- Rather affordable
- Bright maximum aperture
- Excellent build quality
- Good contrast
- Good color rendition
Cons
- Lacks weather sealing
- Not the highest grade of build
- Lacks weather sealing
- Not very solid
- Larger and heavier than Mark I
- Lower maximum magnification than Mark I
- Moderate chromatic aberrations
- Poor background blur
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