Compare Panasonic G Fisheye 8mm F3.5 vs Olympus 8mm F1.8 Fisheye PRO vs Olympus 25mm F1.8
Construction
Aperture Blades
7 blades, rounded blades
7 blades, Circular
7 blades, Circular aperture diaphragm
Colors
Black
Black
Black or Silver
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
MFT
MFT
MFT
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Micromotor
Stepper motor
Stepper motor
Optical Formula | Elements
10 elements
17 elements
9 elements
Optical Formula | Groups
9 groups
15 groups
7 groups
Optical Formula | Special Glass
1 ED glass element groups
1 aspherical, 3 super ED, 2 ED, 1 super HR, 2 HR lenses groups
2 aspherical elements groups
Dimensions
Filter Diameter
46 mm / 1.81 in
Size | Diameter
61 mm / 2.40 in
62 mm / 2.44 in
56 mm / 2.20 in
Size | Length
52 mm / 2.05 in
80 mm / 3.15 in
41 mm / 1.61 in
Weight
165 g / 5.83 oz
314 g / 11.10 oz
136 g / 4.81 oz
Function
Angle Of View
180° Diagonal
180° Diagonal (fisheye)
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/3.5 ~ f/22
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
2.0
2.0
2.0
Focal Length
8 mm
8 mm
25 mm
Focal Length (35mm Equivalent)
16.0 mm
16.0 mm
50.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Performance
Max Magnification
0.2x
0.2x
0.12x
Min Focus Distance
100 mm / 3.94 in
120 mm / 4.72 in
240 mm / 9.45 in
Production
Accessory
Lens Hood: built-in hood (supplied)
Lens hood included
Lens Hood: LH-49B (supplied)
Debut
2010-06-01
2015-05-12
2014-01-29
Reviews
Neofiliac score
60%
67%
76%
Pros
- 180° FOV
- Compact and lightweight
- 180° FOV
- Weather-sealed
- Beautifully constructed
- Compact and lightweight
Cons
- Lacks front filter thread
- Priced higher than full-frame fisheyes
- Lacks front filter thread
- Not the sharpest normal lens
- Not competitively priced
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