Compare Samyang 7.5mm F3.5 UMC Fisheye vs Laowa 4mm f/2.8 vs Olympus 9mm F8 Fisheye
Construction
Aperture Blades
7 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
Physical aperture ring, Distance scale
Lens Mount
Micro Four Thirds-mount
Canon EF-M-mount, Fujifilm X-mount, Leica L-mount, Micro Four Thirds-mount, Sony E-mount
Micro Four Thirds-mount
Material
Plastic
Optical Formula | Elements
9 elements
7 elements
5 elements
Optical Formula | Groups
7 groups
6 groups
4 groups
Optical Formula | Special Glass
2 aspherical elements groups
Dimensions
Size | Diameter
60 mm / 2.36 in
45 mm / 1.77 in
56 mm / 2.20 in
Size | Length
48 mm / 1.89 in
26 mm / 1.02 in
13 mm / 0.51 in
Weight
197 g / 6.96 oz
135 g / 4.77 oz
30 g / 1.06 oz
Function
Angle Of View
180° Diagonal (fisheye)
210° (fisheye)
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/3.5 ~ f/22
f/2.8 ~ f/22
f/8 ~ f/8
Autofocus
No
No
No
Crop Factor
2.0
2.0
2.0
Focal Length
7.5 mm
4 mm
9 mm
Focal Length (35mm Equivalent)
15.0 mm
8.0 mm
18.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.11x
0.046x
Min Focus Distance
90 mm / 3.54 in
80 mm / 3.15 in
200 mm / 7.87 in
Production
Accessory
Lens Hood: Built-in petal-type hood (supplied)
Lens hood sold separately
Debut
2011-09-05
2018-04-20
2014-01-29
Made In
China
Reviews
Neofiliac score
50%
59%
48%
Pros
- Very light and compact
- 180° FOV
- Compact lens with small diameter and short barrel
- Light in the hand
- Extremely wide 210° field of view
- Negligible size and weight
Cons
- Lacks front filter thread
- Lacks weather sealing
- Lacks front filter thread
- Lacks weather sealing
- Dark f/8 aperture
- Lacks front filter thread
- Not a serious lens
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