Site Title

Compare Samyang AF 45mm F1.8 vs Samyang 20mm F1.8 ED AS UMC

Reviews

Neo score
59%
59%
Pros
  • Light and compact
  • Fast autofocus
  • Quite sharp
  • Rather affordable
Cons
  • Lacks weather sealing
  • Lacks weather sealing
  • Not the highest grade of build

Price

Offers (incl. referral links)

Construction

Aperture Blades
9 blades
7 blades
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Lens Mount
Sony E-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
Material
Composite
Motor
Linear Motor
Optical Formula | Elements
7 elements
13 elements
Optical Formula | Groups
6 groups
12 groups
Optical Formula | Special Glass
1 ED + 2 aspherical elements, Ultra Multi Coating groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
49 mm / 1.93 in
77 mm / 3.03 in
Size | Diameter
62 mm / 2.44 in
83 mm / 3.27 in
Size | Length
56 mm / 2.20 in
88 mm / 3.46 in
Weight
162 g / 5.72 oz
497 g / 17.56 oz

Function

Angle Of View
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
No
Focal Length
45 mm
20 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
0.12x
Min Focus Distance
450 mm / 17.72 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2019-05-13
2016-08-08
Made In
Korea
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