high speed digital signal exchange at 240 fps to comply with the high-speed, high-precision AF (Auto Focus) with DFD (Depth From Defocus) technology on LUMIX G cameras
focus limiter 5m to infinity
built in sliding lens hood
tripod mount
zoom lock
171.5mm / 6.75in long but extends upon zooming
83mm / 3.3in diameter
985g / 34.74oz excl. lens hood, tripod mount
issues when used on Olympus OM-D cameras
it seems that some of these lenses are depositing substantial amounts of metal dust into the camera body due to the lens mount - seems to be related to whether there is a rubber weatherseal or not, as some of those with the seal seem to have an issue - Panasonic seems to be offering to replace the lens if it has this issue
as with all Panasonic lenses on Olympus cameras you will lose some features: