Panasonic has just officially announced the new Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH Lens. It is a fast, versatile zoom lens that covers five popular focal lengths (20, 24, 28, 35 and 50mm), featuring 17 elements (including ASPH, UHR and ED), internal focus and a nine-blade aperture with ‘seamless control’. This new lens costs $1,797.99, available for Pre-Order at Amazon/ B&H/ Adorama. It will start shipping from 07/25/2019.
- Wide-to-normal zoom is designed for Micro Four Thirds mirrorless cameras and offers a 20-50mm equivalent focal length range.
- Impressively bright f/1,7 constant maximum aperture excels in low-light conditions throughout the zoom range and also offers improved depth of field control.
- Three aspherical elements, four extra-low dispersion elements, and one ultra high-refractive index element all combine to suppress color fringing, chromatic aberrations, and spherical aberrations for high clarity, sharpness, and color accuracy.
- Fast 240 fps autofocus drive, along with an internal focusing system, delivers smooth, accurate, and quiet focusing performance to benefit both stills and video applications. Additionally, a focus clutch mechanism delivers especially quick AF/MF switching.
- Physical aperture ring has a stepless, de-clicked design for smooth, silent aperture switching to benefit video applications.
- Splash, dust, and freezeproof design benefits working in inclement weather conditions.
- Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.
Below are the detailed specifications:
| Principal specifications | ||
|---|---|---|
| Lens type | Zoom lens | |
| Max Format size | FourThirds | |
| Focal length | 10–25 mm | |
| Image stabilization | No | |
| Lens mount | Micro Four Thirds | |
| Aperture | ||
| Maximum aperture | F1.7 | |
| Minimum aperture | F16 | |
| Aperture ring | Yes | |
| Number of diaphragm blades | 9 | |
| Optics | ||
| Elements | 17 | |
| Groups | 12 | |
| Special elements / coatings | 1 UHR, 3 aspherical, 4 ED elements | |
| Focus | ||
| Minimum focus | 0.28 m (11.02″) | |
| Maximum magnification | 0.14× | |
| Autofocus | Yes | |
| Motor type | Stepper motor | |
| Full time manual | Yes | |
| Focus method | Internal | |
| Distance scale | Yes | |
| DoF scale | No | |
| Physical | ||
| Weight | 690 g (1.52 lb) | |
| Diameter | 88 mm (3.46″) | |
| Length | 128 mm (5.04″) | |
| Materials | Magnesium alloy | |
| Sealing | Yes | |
| Colour | Black | |
| Zoom method | Rotary (extending) | |
| Power zoom | No | |
| Zoom lock | No | |
| Filter thread | 77 mm | |
| Hood supplied | Yes | |
| Tripod collar | No | |
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