Compare Olympus 9mm F8 Fisheye vs Olympus 25mm F1.8 vs Olympus 12mm F2
Construction
Aperture Blades
7 blades, Circular aperture diaphragm
7 blades, Circular aperture diaphragm
Colors
Black or Silver
Silver
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Wide-Angle Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
Distance scale, DoF scale
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Material
Plastic
Metal barrel, metal mount
Motor
Stepper motor
Micromotor
Optical Formula | Elements
5 elements
9 elements
11 elements
Optical Formula | Groups
4 groups
7 groups
8 groups
Optical Formula | Special Glass
2 aspherical elements groups
2 aspherical elements groups
ZERO (ZUIKO Extra-low Reflection Optical) coating groups
Dimensions
Filter Diameter
46 mm / 1.81 in
46 mm / 1.81 in
Size | Diameter
56 mm / 2.20 in
56 mm / 2.20 in
56 mm / 2.20 in
Size | Length
13 mm / 0.51 in
41 mm / 1.61 in
43 mm / 1.69 in
Weight
30 g / 1.06 oz
136 g / 4.81 oz
130 g / 4.59 oz
Function
Angle Of View
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
Aperture
f/8 ~ f/8
f/1.8 ~ f/22
f/2 ~ f/22
Autofocus
No
Yes
Yes
Crop Factor
2.0
2.0
2.0
Focal Length
9 mm
25 mm
12 mm
Focal Length (35mm Equivalent)
18.0 mm
50.0 mm
24.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.046x
0.12x
0.08x
Min Focus Distance
200 mm / 7.87 in
240 mm / 9.45 in
200 mm / 7.87 in
Production
Accessory
Lens hood sold separately
Lens Hood: LH-49B (supplied)
Lens hood sold separately
Debut
2014-01-29
2014-01-29
2011-06-30
Reviews
Neofiliac score
48%
76%
58%
Pros
- Negligible size and weight
- Compact and lightweight
- Compact and lightweight
- Good center sharpness
Cons
- Dark f/8 aperture
- Lacks front filter thread
- Not a serious lens
- Not the sharpest normal lens
- Not competitively priced
- Lens hood not included
- Low maximum magnification
- Lacks weather sealing
- Rather expensive for what it is
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