Parfocal Standard Cine Zoom. The DZOFilm LingLung 20-70mm T2.9 Parfocal Cine provides a versatile standard zoom range that’s perfect for a broad range of applications, and its twelve-blade aperture produces pleasing bokeh. Back-focus adjustment of 19.2mm in small increments lets you easily switch this lens among different Micro 4/3 cameras.

Professional-Grade Cinema Design. The 20-70mm T2.9’s aperture and focusing rings boast standard 0.8 mod gears so that you can easily install a follow-focus system. Its 80mm front diameter lets you use standard matte boxes. It boasts 70° iris rotation, 100° zoom rotation, and an extended 270° smooth focus throw that gives you accurate focus pulling with minimal focus breathing. It has 26 focus marks along the range and a 31.1-inch minimum focusing distance.