Compare Pentax 03 Fish-Eye vs Olympus 9mm F8 Fisheye vs Laowa 7.5mm f/2 MFT
Construction
Aperture Blades
7 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
1/1.7"
MFT
MFT
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax Q-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Material
Plastic mount
Plastic
Optical Formula | Elements
6 elements
5 elements
13 elements
Optical Formula | Groups
5 groups
4 groups
9 groups
Optical Formula | Special Glass
2 aspherical elements groups
Dimensions
Size | Diameter
41 mm / 1.61 in
56 mm / 2.20 in
50 mm / 1.97 in
Size | Length
31 mm / 1.22 in
13 mm / 0.51 in
55 mm / 2.17 in
Weight
29 g / 1.02 oz
30 g / 1.06 oz
170 g / 6.01 oz
Function
Angle Of View
173° Diagonal (Q7)
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
Aperture
f/5.6
f/8 ~ f/8
f/2 ~ f/22
Autofocus
No
No
No
Crop Factor
4.6
2.0
2.0
Focal Length
3.2 mm
9 mm
7.5 mm
Focal Length (35mm Equivalent)
14.7 mm
18.0 mm
15.0 mm
Focus Type
Internal
Image Stabilization
No
Performance
Max Magnification
0.06x
0.046x
0.11x
Min Focus Distance
90 mm / 3.54 in
200 mm / 7.87 in
120 mm / 4.72 in
Production
Accessory
Lens hood sold separately
Lens hood included
Debut
2011-06-23
2014-01-29
2016-09-13
Made In
China
Reviews
Neofiliac score
50%
48%
59%
Pros
- Extremely light and compact
- 173°FOV
- Negligible size and weight
- Compact and light weight
- Solidly built
Cons
- Dark and fixed f/5.6 aperture
- Not made for IQ
- Dark f/8 aperture
- Lacks front filter thread
- Not a serious lens
- Lacks front filter thread
- No EXIF communication
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