20 mm T1.9 ED AS UMC vs Color Skopar 20 mm f/3.5 SL II Aspherical
Samyang
20 mm T1.9 ED AS UMC

Voigtlander
Color Skopar 20 mm f/3.5 SL II Aspherical
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| Compare | Fastest Aperture | |
|---|---|---|
| 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/3.5 |
| Aperture Blades | 7 | 9 |
Features | ||
| Autofocus | Yes | No |
| 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 | 205 g |
| Length | 88.4 mm | 28.8 mm |
| Diameter | 83 mm | 63 mm |
| Filter Thread | 77 mm | 52 mm |
Price & Availability | ||
| Release Year | 2016 | 2009 |
| Shop | ||
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Comparing Samyang 20 mm T1.9 ED AS UMC (20 mm, f/1.8) and Voigtlander Color Skopar 20 mm f/3.5 SL II Aspherical (20 mm, f/3.5).
Voigtlander Color Skopar 20 mm f/3.5 SL II Aspherical is the lightest at 205 g, Samyang 20 mm T1.9 ED AS UMC weighs 508 g.
Samyang 20 mm T1.9 ED AS UMC offers the fastest maximum aperture at f/1.8, allowing for better low-light performance and shallower depth of field.
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.
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Here we are comparing the Samyang 20 mm T1.9 ED AS UMC and the Voigtlander Color Skopar 20 mm f/3.5 SL II Aspherical. 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 Voigtlander Color Skopar 20 mm f/3.5 SL II Aspherical is a 20mm wide-angle prime lens with a maximum aperture of f/3.5, released in 2009.
There is a 7 years difference between the Voigtlander Color Skopar 20 mm f/3.5 SL II Aspherical 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.