Panasonic Leica D Summilux Asph 25mm F1.4
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| Maker | Panasonic |
|---|---|
| Lens mount | Four Thirds |
| Technical data | |
| Type | Prime |
| Focus drive | Micromotor |
| Focal length | 25 mm |
| Focal length (35mm equiv.) | 50 mm |
| Aperture (max/min) | f/1.4–16 |
| Close focus distance | 0.38 metres (1.2 ft) |
| Max. magnification | 0.18 |
| Diaphragm blades | 7 |
| Construction | 10 elements in 9 groups |
| Features | |
| Manual focus override |  No |
| Weather-sealing | No |
| Lens-based stabilization | No |
| Aperture ring |  Yes |
| Physical | |
| Max. length | 75.0 millimetres (2.95 in) |
| Diameter | 77.7 millimetres (3.06 in) |
| Weight | 510 grams (1.12 lb) |
| Filter diameter | 62 mm |
| Accessories | |
| Lens hood | petal shaped hood |
| Angle of view | |
| Diagonal | 47° |
| History | |
| Introduction | 2007 |
The Panasonic Leica D Summilux Asph 25mm F1.4 is an interchangeable camera lens announced by Panasonic on March 7, 2007.
The lens uses 10 elements in 9 groups, arranged as a double Gauss type, with one aspherical, three extra-low dispersion (ED), and one super ED element. It was announced in March 2007, with availability starting that April.[1]
