Pentax HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Lens (Black) Pentax K Mount, 30.5-61.5mm (35mm Equivalent), Aperture Range: f/2.8-32, ED and Super-Low Dispersion Elements, High-Grade Multi-Layer HD Coating, Weather-Resistant Seals and SP...
Pentax HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Lens (Black) Pentax K Mount, 30.5-61.5mm (35mm Equivalent), Aperture Range: f/2.8-32, ED and Super-Low Dispersion Elements, High-Grade Multi-Layer HD Coating, Weather-Resistant Seals and SP...