20 mm T1.9 ED AS UMC vs AF-S 20 mm f/1.8G ED
Samyang
20 mm T1.9 ED AS UMC
Nikon Nikkor
AF-S 20 mm f/1.8G ED
Here we are comparing the Samyang 20 mm T1.9 ED AS UMC and the Nikon Nikkor AF-S 20 mm f/1.8G ED. The Samyang 20 mm T1.9 ED AS UMC is a 20mm wide-angle prime lens with a maximum aperture of f/1.8, released in 2016. The Nikon Nikkor AF-S 20 mm f/1.8G ED is a 20mm wide-angle prime lens with a maximum aperture of f/1.8, released in 2014.
There is a 2 years difference between the Nikon Nikkor AF-S 20 mm f/1.8G ED and the Samyang 20 mm T1.9 ED AS UMC — the newer design may benefit from more recent optical engineering and coatings.
Below you will find a detailed side-by-side comparison of their specifications, features, and key differences.
Shopping links may contain affiliate codes that support this site at no extra cost to you.
| Compare | Lightest | |
|---|---|---|
| Mount | ||
| Sensor Size | Full Frame | Full Frame |
| Best For | Landscape | Landscape |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 20 mm | 20 mm |
| Aperture | f/1.8 | f/1.8 |
| Aperture Blades | 7 | 7 |
Features | ||
| Autofocus | Yes | Yes |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.2 m | 0.2 m |
| Max. Magnification | - | - |
Physical Specifications | ||
| Weight | 508 g | 355 g |
| Length | 88.4 mm | 83 mm |
| Diameter | 83 mm | 81 mm |
| Filter Thread | 77 mm | 77 mm |
Price & Availability | ||
| Release Year | 2016 | 2014 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Samyang 20 mm T1.9 ED AS UMC (20 mm, f/1.8) and Nikon Nikkor AF-S 20 mm f/1.8G ED (20 mm, f/1.8).
Nikon Nikkor AF-S 20 mm f/1.8G ED is the lightest at 355 g, Samyang 20 mm T1.9 ED AS UMC weighs 508 g.
Samyang 20 mm T1.9 ED AS UMC can focus closest at 0.2 m minimum focus distance.
Use the detailed comparison table below to see all specifications side-by-side and find the perfect lens for your photography needs.
Discover the best lenses for your camera mount and photography style
Top-rated Fujifilm X lenses optimized for Landscape Photography
Top-rated Micro Four Thirds lenses optimized for Landscape Photography
Top-rated Sony E lenses optimized for Landscape Photography
Explore all curated lens recommendations by mount and photography type
