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Compare Olympus 8mm F1.8 Fisheye PRO vs Samyang 7.5mm F3.5 UMC Fisheye vs Olympus 8mm F1.8 Fisheye PRO

Construction

Aperture Blades
7 blades, Circular
7 blades, Circular
Colors
Black
Black
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
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
17 elements
9 elements
17 elements
Optical Formula | Groups
15 groups
7 groups
15 groups
Optical Formula | Special Glass
1 aspherical, 3 super ED, 2 ED, 1 super HR, 2 HR lenses groups
1 aspherical, 3 super ED, 2 ED, 1 super HR, 2 HR lenses groups

Dimensions

Size | Diameter
62 mm / 2.44 in
60 mm / 2.36 in
62 mm / 2.44 in
Size | Length
80 mm / 3.15 in
48 mm / 1.89 in
80 mm / 3.15 in
Weight
314 g / 11.10 oz
197 g / 6.96 oz
314 g / 11.10 oz

Function

Angle Of View
180° Diagonal (fisheye)
180° Diagonal (fisheye)
180° Diagonal (fisheye)
Aperture
f/1.8 ~ f/22
f/3.5 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
No
Yes
Crop Factor
2.0
2.0
2.0
Focal Length
8 mm
7.5 mm
8 mm
Focal Length (35mm Equivalent)
16.0 mm
15.0 mm
16.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
Yes

Performance

Max Magnification
0.2x
0.2x
Min Focus Distance
120 mm / 4.72 in
90 mm / 3.54 in
120 mm / 4.72 in

Production

Accessory
Lens hood included
Lens Hood: Built-in petal-type hood (supplied)
Lens hood included
Debut
2015-05-12
2011-09-05
2015-05-12

Reviews

Neofiliac score
67%
50%
67%
Pros
  • 180° FOV
  • Weather-sealed
  • Beautifully constructed
  • Very light and compact
  • 180° FOV
  • 180° FOV
  • Weather-sealed
  • Beautifully constructed
Cons
  • Priced higher than full-frame fisheyes
  • Lacks front filter thread
  • Lacks front filter thread
  • Lacks weather sealing
  • Priced higher than full-frame fisheyes
  • Lacks front filter thread

Price

Offers (incl. referral links)
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