Panasonic has introduced the Leica DG Vario-Summilux 25-50mm f/1.7 ASPH lens for Micro 4 Thirds cameras that is ready to boast a wide-open f/1.7 aperture by the complete zoom vary and is designed to pair with the favored Vario-Summilux 10-25mm f/1.7 ASPH.
The Panasonic lenses which can be branded “Leica” are manufactured by Panasonic however accomplished so with oversight from Leica to guarantee top quality. The brand new Leica DG Vario-Summilux 25-50mm f/1.7 ASPH is constructed of 15 components in 11 teams and — because the lens’s identify suggests — options an aspherical lens and three extra-low dispersion (ED)lenses that Panasonic says successfully suppress axial chromatic aberration and chromatic aberration of magnification. Spherical aberration and distortion are additionally corrected by the aspherical factor which additionally allowed Panasonic the liberty to create a high-performant lens with a compact measurement and lightweight weight.
The 25-50mm f/1.7 boasts a minimal focusing distance of 0.28 meters (about 11.2 inches) on the huge finish and 0.31 meters (about 12.2 inches) on the telephoto finish. The lens has a most magnification ratio of 0.42x (35mm digital camera equal) and incorporates a mud and splash-resistant design that may resist temperatures all the way down to 10 levels under zero. The 25-50mm f/1.7 has a filter diameter of 77mm.
Panasonic says that the utmost 240 frames-per-second high-speed sensor drive permits the lens to understand excessive velocity and excessive precision autofocusing, and along with an internal drive focus system, the lens’s stepless aperture ring and “micro-step” drive within the aperture management system permit a linked digital camera to simply and easily shift to regulate for brightness adjustments when zooming or panning. The optical design additionally makes use of what’s Panasonic calls barycentric stability to permit for minimal picture shifting whereas zooming. The lens additionally has a spotlight ring that has a linear and non-linear setting that may be switched from the ring.
Collectively, the brand new 25-50mm f/1.7 and the 10-25mm f/1.7 cowl a variety from 10mm by 50mm at a wide-open f/1.7 and Panasonic says that the 2 lenses cowl a focusing distance from wide-angle to telephoto, and might perform as eight fastened focal size lenses (20mm, 24mm, 28mm, 35mm, 50mm, 75mm, 85mm, 100mm translated to 35mm digital camera equal). Panasonic argues that due to this versatility, the 2 lenses can supply the identical or higher stage of efficiency than a set of prime lenses that cowl the identical vary. The 2 lenses share a most aperture in addition to an analogous form and performance which the corporate says ought to allow creators the liberty to create with minimal workflow adjustments.