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