Compare Olympus 8mm F1.8 Fisheye PRO vs Panasonic H-X09 Summilux 9mm F1.7
Construction
Aperture Blades
7 blades, Circular
7 blades, circular diaphragm
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
MFT
MFT
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Stepper motor
Micromotor
Optical Formula | Elements
17 elements
12 elements
Optical Formula | Groups
15 groups
9 groups
Optical Formula | Special Glass
1 aspherical, 3 super ED, 2 ED, 1 super HR, 2 HR lenses groups
2 aspherical, 2 ED, 1 Ultra-high refractive index groups
Dimensions
Filter Diameter
55 mm / 2.17 in
Size | Diameter
62 mm / 2.44 in
61 mm / 2.40 in
Size | Length
80 mm / 3.15 in
52 mm / 2.05 in
Weight
314 g / 11.10 oz
130 g / 4.59 oz
Function
Angle Of View
180° Diagonal (fisheye)
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/1.8 ~ f/22
f/1.7 ~ f/16
Autofocus
Yes
Yes
Crop Factor
2.0
2.0
Focal Length
8 mm
9 mm
Focal Length (35mm Equivalent)
16.0 mm
18.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.2x
0.25x
Min Focus Distance
120 mm / 4.72 in
100 mm / 3.94 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2015-05-12
2022-05-17
Reviews
Neofiliac score
67%
76%
Pros
- 180° FOV
- Weather-sealed
- Beautifully constructed
- Light in the hand
- Weather-sealed
Cons
- Priced higher than full-frame fisheyes
- Lacks front filter thread
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