HomeArticlesProductsKeywordsCompanies

Compare Samyang 20mm F1.8 ED AS UMC vs Canon EF 50mm F1.8 STM

Construction

Aperture Blades
7 blades
7 blades, Circular blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
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
Canon EF-mount
Motor
Stepper motor
Optical Formula | Elements
13 elements
6 elements
Optical Formula | Groups
12 groups
5 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
49 mm / 1.93 in
Size | Diameter
83 mm / 3.27 in
69 mm / 2.72 in
Size | Length
88 mm / 3.46 in
39 mm / 1.54 in
Weight
497 g / 17.56 oz
159 g / 5.62 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
Yes
Focal Length
20 mm
50 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
0.21x
Min Focus Distance
200 mm / 7.87 in
350 mm / 13.78 in

Production

Accessory
Lens hood included
Lens Hood: ES-68 (sold separately)
Debut
2016-08-08
2015-05-11

Reviews

Neofiliac score
59%
71%
Pros
  • Rather affordable
  • Compact and lightweight
  • Rather compelling image quality
  • Great price
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Lens hood not included
  • Lacks weather sealing

Price

Offers (incl. referral links)
Remove
Remove

Related Products

Samyang 10mm F2.8 ED AS NCS CS APS-C Lens (2013)

Samyang 10mm F2.8 ED AS NCS CS APS-C Lens (2013)

Camera Lens · Lenses
40% Neofiliac
Samyang 16mm F2 ED AS UMC CS APS-C Lens (2013)

Samyang 16mm F2 ED AS UMC CS APS-C Lens (2013)

Camera Lens · Lenses
50% Neofiliac53% External
Samyang 135mm F2.0 ED UMC Full-Frame Lens (2015)

Samyang 135mm F2.0 ED UMC Full-Frame Lens (2015)

Camera Lens · Lenses
50% Neofiliac
Samyang MF 14mm F2.8 MK2 Full-Frame Lens (2020)

Samyang MF 14mm F2.8 MK2 Full-Frame Lens (2020)

Camera Lens · Lenses
59% Neofiliac44% External
Samyang 24mm F1.4 ED AS IF UMC Full-Frame Lens (2011)

Samyang 24mm F1.4 ED AS IF UMC Full-Frame Lens (2011)

Camera Lens · Lenses
59% Neofiliac
Samyang 35mm F1.4 AS UMC Full-Frame Lens (2010)

Samyang 35mm F1.4 AS UMC Full-Frame Lens (2010)

Camera Lens · Lenses
68% Neofiliac
Samyang 100mm F2.8 ED UMC Macro Full-Frame Lens (2015)

Samyang 100mm F2.8 ED UMC Macro Full-Frame Lens (2015)

Camera Lens · Lenses
59% Neofiliac64% External
Samyang 12mm F2.0 NCS CS APS-C Lens (2014)

Samyang 12mm F2.0 NCS CS APS-C Lens (2014)

Camera Lens · Lenses
59% Neofiliac
Samyang MF 85mm F1.4 MK2 Full-Frame Lens (2020)

Samyang MF 85mm F1.4 MK2 Full-Frame Lens (2020)

Camera Lens · Lenses
83% Neofiliac60% External
Samyang 8mm F2.8 UMC Fisheye II APS-C Lens (2014)

Samyang 8mm F2.8 UMC Fisheye II APS-C Lens (2014)

Camera Lens · Lenses
31% Neofiliac54% External
Samyang 21mm F1.4 ED AS UMC CS APS-C Lens (2015)

Samyang 21mm F1.4 ED AS UMC CS APS-C Lens (2015)

Camera Lens · Lenses
50% Neofiliac
Samyang 12mm F2.8 ED AS NCS Fisheye Full-Frame Lens (2014)

Samyang 12mm F2.8 ED AS NCS Fisheye Full-Frame Lens (2014)

Camera Lens · Lenses
40% Neofiliac89% External
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.