Compare Samyang 16mm F2 ED AS UMC CS vs KamLan 8mm F3.0 Fisheye vs Pentax 03 Fish-Eye
Construction
Aperture Blades
8 blades
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
APS-C
1/1.7"
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Distance 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, Sony E-mount
Pentax Q-mount
Material
Metal barrel, metal mount
Plastic mount
Optical Formula | Elements
13 elements
11 elements
6 elements
Optical Formula | Groups
11 groups
9 groups
5 groups
Optical Formula | Special Glass
1 ED glass element, 1 aspheric element, 1 hybrid aspheric element groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
41 mm / 1.61 in
Size | Length
89 mm / 3.50 in
31 mm / 1.22 in
Weight
583 g / 20.60 oz
245 g / 8.66 oz
29 g / 1.02 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
180.0° Diagonal (fisheye)
173° Diagonal (Q7)
Aperture
f/2 ~ f/22
f/3 ~ f/22
f/5.6
Autofocus
No
No
No
Crop Factor
1.5
1.5
4.6
Focal Length
16 mm
8 mm
3.2 mm
Focal Length (35mm Equivalent)
24.0 mm
12.0 mm
14.7 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.06x
Min Focus Distance
200 mm / 7.87 in
100 mm / 3.94 in
90 mm / 3.54 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2013-06-13
2018-03-21
2011-06-23
Reviews
Neofiliac score
50%
40%
50%
Pros
- A bit large for an APS-C lens
- 180° FOV
- Compact and lightweight
- Extremely light and compact
- 173°FOV
Cons
- Not the best grade of build
- Not the strongest IQ
- Lacks front filter thread
- Lacks weather sealing
- Dark and fixed f/5.6 aperture
- Not made for IQ
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