https://www.techradar.com/news/photography-video-capture/cameras/olympus-introduces-powerzoom-lens-1047700
Olympus introduces powerzoom lens | TechRadar
Dec 14, 2011 - New 12-50mm M.ZUIKO lens for PEN
olympusintroduceslenstechradar
https://www.panasonic.com/uk/consumer/cameras-camcorders/lumix-camera-lenses/lumix-g-lenses/h-ps14042e/
Powerzoom Camera Lens | H-PS14042E| Panasonic UK & Ireland
An ultra compact lens that is a must have for your gear, with retractable optics for increased mobility and to give smooth zooming and blur-free video...
camera lenshpanasonicukireland