Compare Samyang 10mm F2.8 ED AS NCS CS vs 7artisans 55mm F1.4 vs 7Artisans 18mm F6.3
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
9 blades
N/A
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Fixed focus lens, Prime lens, Pancake lens
Image Size
APS-C
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, Canon EF-mount, Micro Four Thirds-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
Material
Aluminum
Optical Formula | Elements
14 elements
6 elements
6 elements
Optical Formula | Groups
10 groups
5 groups
4 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
Dimensions
Filter Diameter
52 mm / 2.05 in
N/A
Size | Diameter
86 mm / 3.39 in
60 mm / 2.4 in
Size | Length
77 mm / 3.03 in
65 mm / 2.60 in
Weight
580 g / 20.49 oz
272 g / 9.61 oz
49 g
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical
74°
Aperture
f/2.8 ~ f/22
f/1.4 ~ f/16
F/6.3 fixed-aperture
Autofocus
No
No
Crop Factor
1.5
1.5
Focal Length
10 mm
55 mm
18 mm
Focal Length (35mm Equivalent)
15.0 mm
82.5 mm
27 mm
Focus Type
Internal
Image Stabilization
No
No
N/A
Weather Resistance
No
Performance
Max Magnification
1x
Min Focus Distance
250 mm / 9.84 in
420 mm / 16.54 in
Fixed focus
Production
Accessory
Lens Hood: Integrated hood (supplied)
Debut
2013-12-06
2021
2020-11
Made In
China
Reviews
Neofiliac score
40%
59%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Bright maximum aperture
- Can be used as a body cap
- Good contrast
- Good color rendition
Cons
- Lacks front filter thread
- Lacks weather sealing
- Not very solid
- Larger and heavier than Mark I
- Lower maximum magnification than Mark I
- Not suitable for distant subjects
- Vignetting in video
- Fixed aperture
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