Compare Samyang 16mm F2 ED AS UMC CS vs Olympus 9mm F8 Fisheye vs Samyang 7.5mm F3.5 UMC Fisheye
Construction
Aperture Blades
8 blades
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
MFT
MFT
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-M-mount, Canon EF-mount, Micro Four Thirds-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Material
Metal barrel, metal mount
Plastic
Optical Formula | Elements
13 elements
5 elements
9 elements
Optical Formula | Groups
11 groups
4 groups
7 groups
Optical Formula | Special Glass
1 ED glass element, 1 aspheric element, 1 hybrid aspheric element groups
2 aspherical elements groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
56 mm / 2.20 in
60 mm / 2.36 in
Size | Length
89 mm / 3.50 in
13 mm / 0.51 in
48 mm / 1.89 in
Weight
583 g / 20.60 oz
30 g / 1.06 oz
197 g / 6.96 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
180° Diagonal (fisheye)
Aperture
f/2 ~ f/22
f/8 ~ f/8
f/3.5 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
2.0
2.0
Focal Length
16 mm
9 mm
7.5 mm
Focal Length (35mm Equivalent)
24.0 mm
18.0 mm
15.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.046x
Min Focus Distance
200 mm / 7.87 in
200 mm / 7.87 in
90 mm / 3.54 in
Production
Accessory
Lens hood included
Lens hood sold separately
Lens Hood: Built-in petal-type hood (supplied)
Debut
2013-06-13
2014-01-29
2011-09-05
Reviews
Neofiliac score
50%
48%
50%
Pros
- A bit large for an APS-C lens
- Negligible size and weight
- Very light and compact
- 180° FOV
Cons
- Not the best grade of build
- Not the strongest IQ
- Dark f/8 aperture
- Lacks front filter thread
- Not a serious lens
- Lacks front filter thread
- Lacks weather sealing
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