Description
Panasonic Lumix G 25mm F1.7 ASPH
Achieving F1.7 high-speed aperture, the LUMIX G 25mm F1.7 ASPH. keeps its size compact and weight light. The large aperture allows a beautiful soft focus for photo and video to be even more impressive and encourages users to capture the subject without using a flash even in dimly-lit conditions.
The new lens system is comprised of 8 elements in 7 groups featuring two aspherical lenses and an Ultra-High Refractive Index (UHR) Lens.
It incorporates a superior inner focus system which enables excellent resolution and contrast from the closest focusing distance to infinity. The inclusion of a stepping motor makes the focusing action smooth and silent for use in both still and video recording.
Seven blades give the aperture a rounded shape that produces an attractively smooth effect in out-of-focus areas when shooting at larger aperture settings. A highly reliable metal mount assures durability for active use, and uses multi-coated lens elements that minimize ghosts and flare to further enhance its shooting performance.
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 | F1.7 |
| Minimum aperture | F22 |
| Aperture ring | No |
| Number of diaphragm blades | 7 |
| Aperture notes | Circular blades |
| Optics | |
| Elements | 8 |
| Groups | 7 |
| Special elements / coatings | 2 aspherical + 1 UHR element |
| Focus | |
| Minimum focus | 0.25 m (9.84) |
| Maximum magnification | 0.14 |
| Autofocus | Yes |
| Motor type | Stepper motor |
| Full time manual | N/A |
| Focus method | Internal |
| Distance scale | No |
| DoF scale | No |
| Physical | |
| Weight | 125 g (0.28 lb) |
| Diameter | 61 mm (2.39) |
| Length | 52 mm (2.05) |
| Sealing | No |
| Filter thread | 46 mm |
| Hood supplied | Yes |
| Tripod collar | No |
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