Leica DG Summilux 25 mm f/1.4 ASPH. vs Prominar 25 mm f/1.8
Panasonic
Leica DG Summilux 25 mm f/1.4 ASPH.
Kowa
Prominar 25 mm f/1.8
Here we are comparing the Panasonic Leica DG Summilux 25 mm f/1.4 ASPH. and the Kowa Prominar 25 mm f/1.8. The Panasonic Leica DG Summilux 25 mm f/1.4 ASPH. is a 25mm standard prime lens with a maximum aperture of f/1.4, released in 2011. The Kowa Prominar 25 mm f/1.8 is a 25mm wide-angle prime lens with a maximum aperture of f/1.8, released in 2018.
There is a 7 years difference between the Panasonic Leica DG Summilux 25 mm f/1.4 ASPH. and the Kowa Prominar 25 mm f/1.8 — 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 | MFT | MFT |
| Best For | Landscape Street | Landscape Street |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 25 mm | 25 mm |
| Aperture | f/1.4 | f/1.8 |
| Aperture Blades | 7 | 9 |
Features | ||
| Autofocus | Yes | No |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.3 m | 0.25 m |
| Max. Magnification | - | - |
Physical Specifications | ||
| Weight | 200 g | 400 g |
| Length | 63 mm | 60 mm |
| Diameter | 54.5 mm | 94 mm |
| Filter Thread | 46 mm | 55 mm |
Price & Availability | ||
| Release Year | 2011 | 2018 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Panasonic Leica DG Summilux 25 mm f/1.4 ASPH. (25 mm, f/1.4) and Kowa Prominar 25 mm f/1.8 (25 mm, f/1.8).
Panasonic Leica DG Summilux 25 mm f/1.4 ASPH. is the lightest at 200 g, Kowa Prominar 25 mm f/1.8 weighs 400 g.
Panasonic Leica DG Summilux 25 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.
Kowa Prominar 25 mm f/1.8 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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