Compare Pentax 03 Fish-Eye vs Samyang 8mm F2.8 UMC Fisheye II vs Pentax 03 Fish-Eye
Construction
Aperture Blades
6 blades
Colors
Silver, black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
1/1.7"
APS-C
1/1.7"
Lens Barrel
Distance scale
Physical aperture ring, Distance scale
Distance scale
Lens Mount
Pentax Q-mount
Canon EF-M-mount, Fujifilm X-mount, Samsung NX-mount, Sony E-mount
Pentax Q-mount
Material
Plastic mount
Plastic mount
Optical Formula | Elements
6 elements
11 elements
6 elements
Optical Formula | Groups
5 groups
8 groups
5 groups
Optical Formula | Special Glass
2 aspherical + 3 ED, Ultra Multi Coating groups
Dimensions
Size | Diameter
41 mm / 1.61 in
60 mm / 2.36 in
41 mm / 1.61 in
Size | Length
31 mm / 1.22 in
65 mm / 2.56 in
31 mm / 1.22 in
Weight
29 g / 1.02 oz
265 g / 9.36 oz
29 g / 1.02 oz
Function
Angle Of View
173° Diagonal (Q7)
180° Diagonal (fisheye)
173° Diagonal (Q7)
Aperture
f/5.6
f/2.8 ~ f/22
f/5.6
Autofocus
No
No
No
Crop Factor
4.6
1.5
4.6
Focal Length
3.2 mm
8 mm
3.2 mm
Focal Length (35mm Equivalent)
14.7 mm
12.0 mm
14.7 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
No
Performance
Max Magnification
0.06x
0.06x
Min Focus Distance
90 mm / 3.54 in
300 mm / 11.81 in
90 mm / 3.54 in
Production
Debut
2011-06-23
2014-03-21
2011-06-23
Reviews
Neofiliac score
50%
31%
50%
Pros
- Extremely light and compact
- 173°FOV
- 180° FOV
- Reasonably well built
- Extremely light and compact
- 173°FOV
Cons
- Dark and fixed f/5.6 aperture
- Not made for IQ
- Lacks front filter thread
- Lacks weather sealing
- Dark and fixed f/5.6 aperture
- Not made for IQ
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