21 mm T1.5 ED AS UMC CS vs Loxia 21 mm f/2.8
Samyang
21 mm T1.5 ED AS UMC CS
Carl Zeiss
Loxia 21 mm f/2.8
Here we are comparing the Samyang 21 mm T1.5 ED AS UMC CS and the Carl Zeiss Loxia 21 mm f/2.8. The Samyang 21 mm T1.5 ED AS UMC CS is a 21mm wide-angle prime lens with a maximum aperture of f/1.4, released in 2015. The Carl Zeiss Loxia 21 mm f/2.8 is a 21mm wide-angle prime lens with a maximum aperture of f/2.8, released in 2015.
Both lenses were released in the same year (2015), making this a fair comparison in terms of age and technology.
Below you will find a detailed side-by-side comparison of their specifications, features, and key differences.
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| Compare | Lightest Fastest Aperture | |
|---|---|---|
| Mount | ||
| Sensor Size | MFT | Full Frame |
| Best For | Landscape | Landscape |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 21 mm | 21 mm |
| Aperture | f/1.4 | f/2.8 |
| Aperture Blades | 9 | 10 |
Features | ||
| Autofocus | Yes | Yes |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.28 m | 0.25 m |
| Max. Magnification | - | - |
Physical Specifications | ||
| Weight | 300 g | 394 g |
| Length | 66.4 mm | 72 mm |
| Diameter | 73.6 mm | 62.1 mm |
| Filter Thread | 58 mm | 52 mm |
Price & Availability | ||
| Release Year | 2015 | 2015 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Samyang 21 mm T1.5 ED AS UMC CS (21 mm, f/1.4) and Carl Zeiss Loxia 21 mm f/2.8 (21 mm, f/2.8).
Samyang 21 mm T1.5 ED AS UMC CS is the lightest at 300 g, Carl Zeiss Loxia 21 mm f/2.8 weighs 394 g.
Samyang 21 mm T1.5 ED AS UMC CS offers the fastest maximum aperture at f/1.4, allowing for better low-light performance and shallower depth of field.
Carl Zeiss Loxia 21 mm f/2.8 can focus closest at 0.25 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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