Compare Olympus 8mm F1.8 Fisheye PRO vs Olympus 17mm F1.8
Construction
Aperture Blades
7 blades, Circular
7 blades, Circular aperture diaphragm
Colors
Black
Silver, black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
MFT
MFT
Lens Barrel
Distance scale, DoF scale
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Stepper motor
Micromotor
Optical Formula | Elements
17 elements
9 elements
Optical Formula | Groups
15 groups
6 groups
Optical Formula | Special Glass
1 aspherical, 3 super ED, 2 ED, 1 super HR, 2 HR lenses groups
2 Aspherical, HR glass element groups
Dimensions
Filter Diameter
46 mm / 1.81 in
Size | Diameter
62 mm / 2.44 in
58 mm / 2.28 in
Size | Length
80 mm / 3.15 in
36 mm / 1.42 in
Weight
314 g / 11.10 oz
120 g / 4.24 oz
Function
Angle Of View
180° Diagonal (fisheye)
65.0° Diagonal | 55.8° Horizontal | 38.9° Vertical
Aperture
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
2.0
2.0
Focal Length
8 mm
17 mm
Focal Length (35mm Equivalent)
16.0 mm
34.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Performance
Max Magnification
0.2x
0.08x
Min Focus Distance
120 mm / 4.72 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Debut
2015-05-12
2012-06-15
Reviews
Neofiliac score
67%
76%
Pros
- 180° FOV
- Weather-sealed
- Beautifully constructed
- Compact and lightweight
- Good IQ stopped down
Cons
- Priced higher than full-frame fisheyes
- Lacks front filter thread
- Low maximum magnification
- Expensive for what it is
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