The UnCoated Optimo Style 16-40mm is a lightweight and compact PL mount zoom lens designed specifically for digital cameras. The coating has been removed giving the lens more personality and flare. It delivers superior zoom optics, functionality and ergonomics that DP's demand. This lens is great for hand-held works, steadicam, and anything requiring small, compact size. Goes great with uncoated Super Speeds or K35 primes.