Compare Samyang 135mm F2.0 ED UMC vs Pentax 03 Fish-Eye vs Olympus 9mm F8 Fisheye
Construction
Aperture Blades
9 blades
Form Factor
Medium Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
1/1.7"
MFT
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Distance scale
Lens Mount
Canon EF-mount, Canon EF-M-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
Pentax Q-mount
Micro Four Thirds-mount
Material
Plastic mount
Plastic
Optical Formula | Elements
11 elements
6 elements
5 elements
Optical Formula | Groups
7 groups
5 groups
4 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
2 aspherical elements groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
82 mm / 3.23 in
41 mm / 1.61 in
56 mm / 2.20 in
Size | Length
122 mm / 4.80 in
31 mm / 1.22 in
13 mm / 0.51 in
Weight
830 g / 29.33 oz
29 g / 1.02 oz
30 g / 1.06 oz
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
173° Diagonal (Q7)
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/2 ~ f/22
f/5.6
f/8 ~ f/8
Autofocus
No
No
No
Crop Factor
4.6
2.0
Focal Length
135 mm
3.2 mm
9 mm
Focal Length (35mm Equivalent)
14.7 mm
18.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
Weather Resistance
No
Performance
Max Magnification
0.06x
0.046x
Min Focus Distance
800 mm / 31.50 in
90 mm / 3.54 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens hood sold separately
Debut
2015-01-12
2011-06-23
2014-01-29
Reviews
Neofiliac score
50%
50%
48%
Pros
- Smooth rendering
- Good resolution
- Extremely light and compact
- 173°FOV
- Negligible size and weight
Cons
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Dark and fixed f/5.6 aperture
- Not made for IQ
- Dark f/8 aperture
- Lacks front filter thread
- Not a serious lens
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