Compare Olympus 12mm F2 vs Olympus 8mm F1.8 Fisheye PRO vs Samyang 7.5mm F3.5 UMC Fisheye
Construction
Aperture Blades
7 blades, Circular aperture diaphragm
7 blades, Circular
Colors
Silver
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
Distance scale, DoF scale
Physical aperture ring, Distance scale
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Material
Metal barrel, metal mount
Motor
Micromotor
Stepper motor
Optical Formula | Elements
11 elements
17 elements
9 elements
Optical Formula | Groups
8 groups
15 groups
7 groups
Optical Formula | Special Glass
ZERO (ZUIKO Extra-low Reflection Optical) coating 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
56 mm / 2.20 in
62 mm / 2.44 in
60 mm / 2.36 in
Size | Length
43 mm / 1.69 in
80 mm / 3.15 in
48 mm / 1.89 in
Weight
130 g / 4.59 oz
314 g / 11.10 oz
197 g / 6.96 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
180° Diagonal (fisheye)
180° Diagonal (fisheye)
Aperture
f/2 ~ f/22
f/1.8 ~ f/22
f/3.5 ~ f/22
Autofocus
Yes
Yes
No
Crop Factor
2.0
2.0
2.0
Focal Length
12 mm
8 mm
7.5 mm
Focal Length (35mm Equivalent)
24.0 mm
16.0 mm
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
No
Performance
Max Magnification
0.08x
0.2x
Min Focus Distance
200 mm / 7.87 in
120 mm / 4.72 in
90 mm / 3.54 in
Production
Accessory
Lens hood sold separately
Lens hood included
Lens Hood: Built-in petal-type hood (supplied)
Debut
2011-06-30
2015-05-12
2011-09-05
Reviews
Neofiliac score
58%
67%
50%
Pros
- Compact and lightweight
- Good center sharpness
- 180° FOV
- Weather-sealed
- Beautifully constructed
- Very light and compact
- 180° FOV
Cons
- Lens hood not included
- Low maximum magnification
- Lacks weather sealing
- Rather expensive for what it is
- Priced higher than full-frame fisheyes
- Lacks front filter thread
- Lacks front filter thread
- Lacks weather sealing
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