Panasonic recently announced the release of a new interchangeable telephoto zoom lens, the LUMIX S 70-300mm F4.5-5.6 MACRO O.I.S. (S-R70300) based on the L-Mount system and designed for LUMIX S Series full-frame mirrorless cameras.
The new LUMIX S 70-300mm F4.5-5.6 MACRO O.I.S. boasts high descriptive performance and beautiful bokeh at the entire zoom range, which makes it possible to render exceptionally impressive stills and video. 
It also provides high-speed, high-precision AF and Dual I.S. for agile mobility, allowing it to be used in wide-ranging shooting situations including sports, animals, portraits, aircraft and vehicles.
This telephoto zoom lens with macro capability is compact and lightweight for excellent versatility. The rugged dust/splash-resistant i design withstands use under harsh conditions down to a temperature of -10°C. In addition, the fluorine coating on the front element repels water and oil.
With a minimum focusing distance of 0.54m ii , the S-R70300 achieves maximum magnification of 0.5x (at 300mm) for macro photography and videography. A circular aperture with an 11-bladed iris diaphragm provides beautifully rounded bokeh effects.
With an O.I.S. (Optical Image Stabiliser) in the S-R70300 lens and Body I.S. in LUMIX S Series cameras, the LUMIX Dual I.S system powerfully compensates for handshake in telephoto shooting, making it possible to use a 5.5-stop slower shutter speed iii . Focus control with a maximum 480fps high-speed sensor drive achieves fast, high-precision AF.
The optimum alignment of 17 lens elements in 11 groups including 1 UED (Ultra Extra-low Dispersion) lens, 2 ED (Extra-low Dispersion) lenses and 1 UHR (Ultra-High Refractive Index) suppresses both axial chromatic aberration at tele-end and chromatic aberration of magnification at wide-end. The UHR lens achieves uniform image quality from the centre to the edges of the image while contributing to the downsizing of the lens unit. The lens excels in video recording performance with a mechanism that minimises focus breathing, and focus shift is suppressed during zooming with an exceptional zoom tracking performance so that the subject is always in clear focus.
The S-R70300 is available from April 2021.