Summilux-M 21 mm f/1.4 ASPH. vs Biogon T* 21 mm f/2.8 ZM
Leica
Summilux-M 21 mm f/1.4 ASPH.
Carl Zeiss
Biogon T* 21 mm f/2.8 ZM
Here we are comparing the Leica Summilux-M 21 mm f/1.4 ASPH. and the Carl Zeiss Biogon T* 21 mm f/2.8 ZM. The Leica Summilux-M 21 mm f/1.4 ASPH. is a 21mm wide-angle prime lens with a maximum aperture of f/1.4, released in 2008. The Carl Zeiss Biogon T* 21 mm f/2.8 ZM is a 21mm wide-angle prime lens with a maximum aperture of f/2.8, released in 2008.
Both lenses were released in the same year (2008), 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 | ||
|---|---|---|
| Mount | ||
| Sensor Size | Full Frame | 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 | No | No |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.7 m | 0.5 m |
| Max. Magnification | - | - |
Physical Specifications | ||
| Weight | 580 g | 300 g |
| Length | 77 mm | 64 mm |
| Diameter | 70 mm | 64 mm |
| Filter Thread | 82 mm | 46 mm |
Price & Availability | ||
| Release Year | 2008 | 2008 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Leica Summilux-M 21 mm f/1.4 ASPH. (21 mm, f/1.4) and Carl Zeiss Biogon T* 21 mm f/2.8 ZM (21 mm, f/2.8).
Carl Zeiss Biogon T* 21 mm f/2.8 ZM is the lightest at 300 g, Leica Summilux-M 21 mm f/1.4 ASPH. weighs 580 g.
Leica Summilux-M 21 mm f/1.4 ASPH. offers the fastest maximum aperture at f/1.4, allowing for better low-light performance and shallower depth of field.
Carl Zeiss Biogon T* 21 mm f/2.8 ZM can focus closest at 0.5 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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