Compare Olympus 300mm F4 IS Pro vs Olympus 8mm F1.8 Fisheye PRO vs Samyang 7.5mm F3.5 UMC Fisheye
Construction
Aperture Blades
9 blades
7 blades, Circular
Colors
Black
Black
Form Factor
Super Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
Focus limiter, Tripod collar
Physical aperture ring, Distance scale
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Micro-type ultrasonic
Stepper motor
Optical Formula | Elements
17 elements
17 elements
9 elements
Optical Formula | Groups
10 groups
15 groups
7 groups
Optical Formula | Special Glass
Three super ED, one extra-high refractive, three high refractive elements + ZERO nano coating groups
1 aspherical, 3 super ED, 2 ED, 1 super HR, 2 HR lenses groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
93 mm / 3.66 in
62 mm / 2.44 in
60 mm / 2.36 in
Size | Length
227 mm / 8.94 in
80 mm / 3.15 in
48 mm / 1.89 in
Weight
1270 g / 44.88 oz
314 g / 11.10 oz
197 g / 6.96 oz
Function
Angle Of View
4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical
180° Diagonal (fisheye)
180° Diagonal (fisheye)
Aperture
f/4 ~ 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
300 mm
8 mm
7.5 mm
Focal Length (35mm Equivalent)
600.0 mm
16.0 mm
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
Yes
Yes
No
Performance
Max Magnification
0.24x
0.2x
Min Focus Distance
1400 mm / 55.12 in
120 mm / 4.72 in
90 mm / 3.54 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: Built-in petal-type hood (supplied)
Debut
2016-01-06
2015-05-12
2011-09-05
Reviews
Neofiliac score
39%
67%
50%
Pros
- 600mm equivalent reach
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Good autofocus
- Very sharp
- 180° FOV
- Weather-sealed
- Beautifully constructed
- Very light and compact
- 180° FOV
Cons
- Large and heavy
- Rather expensive
- Priced higher than full-frame fisheyes
- Lacks front filter thread
- Lacks front filter thread
- Lacks weather sealing
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