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Compare Samyang 20mm F1.8 ED AS UMC vs Samyang 7.5mm F3.5 UMC Fisheye

Construction

Aperture Blades
7 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
MFT
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-mount, Canon EF-M-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
Optical Formula | Elements
13 elements
9 elements
Optical Formula | Groups
12 groups
7 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
60 mm / 2.36 in
Size | Length
88 mm / 3.46 in
48 mm / 1.89 in
Weight
497 g / 17.56 oz
197 g / 6.96 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
180° Diagonal (fisheye)
Aperture
f/1.8 ~ f/22
f/3.5 ~ f/22
Autofocus
No
No
Crop Factor
2.0
Focal Length
20 mm
7.5 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Min Focus Distance
200 mm / 7.87 in
90 mm / 3.54 in

Production

Accessory
Lens hood included
Lens Hood: Built-in petal-type hood (supplied)
Debut
2016-08-08
2011-09-05

Reviews

Neofiliac score
59%
50%
Pros
  • Rather affordable
  • Very light and compact
  • 180° FOV
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Lacks front filter thread
  • Lacks weather sealing

Price

Offers (incl. referral links)
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