Weather and dust resistant, it's the perfect lens for extreme weather conditions. Developed specifically for PENTAX digital SLRs, the DA* 300mm ED (IF) SDM lens has PENTAX SP coating which ...

These included the drastically different BF mirrorless camera, ultra-telephoto 300-600mm F4 DG OS Sports lens, versatile 16-300mm F3.5-6. ... DSLR camera production. Pentax is the lone holdout ...