Loxia 25 mm f/2.4 vs AF 25 mm f/1.7 Air
Carl Zeiss
Loxia 25 mm f/2.4
Viltrox
AF 25 mm f/1.7 Air
Here we are comparing the Carl Zeiss Loxia 25 mm f/2.4 and the Viltrox AF 25 mm f/1.7 Air. The Carl Zeiss Loxia 25 mm f/2.4 is a 25mm wide-angle prime lens with a maximum aperture of f/2.4, released in 2018. The Viltrox AF 25 mm f/1.7 Air is a 25mm wide-angle prime lens with a maximum aperture of f/1.7, released in 2025.
There is a 7 years difference between the Carl Zeiss Loxia 25 mm f/2.4 and the Viltrox AF 25 mm f/1.7 Air — 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.
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| Compare | Lightest Fastest Aperture | |
|---|---|---|
| Mount | ||
| Sensor Size | Full Frame | Full Frame |
| Best For | Landscape Street | Landscape Budget Street |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 25 mm | 25 mm |
| Aperture | f/2.4-22 | f/1.7 |
| Aperture Blades | 10 | 9 |
Features | ||
| Autofocus | Yes | Yes |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.25 m | 0.3 m |
| Max. Magnification | - | 0.11x |
Physical Specifications | ||
| Weight | 393 g | 170 g |
| Length | 74.5 mm | 64 mm |
| Diameter | 62 mm | 56 mm |
| Filter Thread | 52 mm | 52 mm |
Price & Availability | ||
| Release Year | 2018 | 2025 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Carl Zeiss Loxia 25 mm f/2.4 (25 mm, f/2.4-22) and Viltrox AF 25 mm f/1.7 Air (25 mm, f/1.7).
Viltrox AF 25 mm f/1.7 Air is the lightest at 170 g, Carl Zeiss Loxia 25 mm f/2.4 weighs 393 g.
Viltrox AF 25 mm f/1.7 Air offers the fastest maximum aperture at f/1.7, allowing for better low-light performance and shallower depth of field.
Carl Zeiss Loxia 25 mm f/2.4 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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