Compare KamLan 28mm F1.4 vs Samyang 20mm F1.8 ED AS UMC vs KamLan 8mm F3.0 Fisheye
Construction
Aperture Blades
11 blades
7 blades
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-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, Sony E-mount
Optical Formula | Elements
8 elements
13 elements
11 elements
Optical Formula | Groups
7 groups
12 groups
9 groups
Optical Formula | Special Glass
6 HRI elements groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Dimensions
Filter Diameter
52 mm / 2.05 in
77 mm / 3.03 in
Size | Diameter
55 mm / 2.17 in
83 mm / 3.27 in
Size | Length
65 mm / 2.56 in
88 mm / 3.46 in
Weight
384 g / 13.57 oz
497 g / 17.56 oz
245 g / 8.66 oz
Function
Angle Of View
54.5° Diagonal | 46.4° Horizontal | 31.9° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
180.0° Diagonal (fisheye)
Aperture
f/1.4 ~ f/16
f/1.8 ~ f/22
f/3 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
Focal Length
28 mm
20 mm
8 mm
Focal Length (35mm Equivalent)
42.0 mm
12.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.15x
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
100 mm / 3.94 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2018-06-01
2016-08-08
2018-03-21
Reviews
Neofiliac score
59%
59%
40%
Pros
- Bright maximum aperture
- Smooth rendering
- Rather sharp for what it is
- Rather affordable
- 180° FOV
- Compact and lightweight
Cons
- Not the highest build grade
- Lacks weather sealing
- Not the highest grade of build
- Lacks front filter thread
- Lacks weather sealing
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