Pentax 18-135mm f/3.5-5.6 SMC DA WR Pentax Lenses (K mount) 21977. A compact and lightweight weather resistant lens, the SMC Pentax-DA 18-135mm f/3.5-5.6 ED AL [IF] DC WR features a versatile zoom range ideal for many subjects from landscapes to portraits or sports.. Pentax. 21977. 027075173767
