Description
Panasonic Leica DG Summilux 25mm f/1.4 ASPH
The Leica DG Summilux 25mm F1.4 is a premium fast standard prime for Micro Four Thirds cameras, giving the photographer a classic 50mm equivalent field of view. Its very fine indeed, with excellent optics and fast, near-silent internal focusing. Its distinctly pricier than its little brother the 20mm F1.7, and larger too, but by every other measure its undoubtedly a better lens.
Specifications
| Principal specifications | |
|---|---|
| Lens type | Prime lens |
| Max Format size | FourThirds |
| Focal length | 25 mm |
| Image stabilization | No |
| Lens mount | Micro Four Thirds |
| Aperture | |
| Maximum aperture | F1.4 |
| Minimum aperture | F16 |
| Aperture ring | No |
| Number of diaphragm blades | 7 |
| Aperture notes | rounded blades |
| Optics | |
| Elements | 9 |
| Groups | 7 |
| Special elements / coatings | 2 Aspherical elements 1 Ultra High Refractive Index element |
| Focus | |
| Minimum focus | 0.30 m (11.81) |
| Maximum magnification | 0.11 |
| Autofocus | Yes |
| Motor type | Micromotor |
| Full time manual | Yes |
| Focus method | Internal |
| Focus notes | ‘focus by wire’ manual focus |
| Distance scale | No |
| DoF scale | No |
| Physical | |
| Weight | 200 g (0.44 lb) |
| Diameter | 63 mm (2.48) |
| Length | 55 mm (2.15) |
| Materials | metal mount |
| Colour | Black |
| Filter thread | 46 mm |
| Filter notes | Does not rotate on focus |
| Tripod collar | No |
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