Overview

The HD Pentax DA 55-300mm F4.0-5.8 ED WR is a weather-sealed telephoto zoom for APS-C Pentax DSLRs, offering an 83-450mm equivalent range suited for sports and wildlife. It features Pentax's HD coating to reduce flare and ghosting. Optically, it delivers sharp, clear images with good light transmittance (Ricoh press release). Weaknesses include a slow variable aperture and lens extension during zooming. Build is weather-sealed and sturdy (Ricoh press release). It suits Pentax users seeking a versatile, weather-resistant telephoto zoom for outdoor use.