Reading Time: 12 minutesUpdate: I’ve tested the lens barrels again and can confirm that no sand is trapped anymore. I can still change the zoom (albeit with some resistance), even though the lock ring is locked. I’ve wanted a super-telephoto zoom for my Panasonic GH5 for a long time since my longest lens up until now has been… Continue reading Panasonic Leica 100-400mm Lens Review (with test video & photo samples)