Ricoh has just announced a new collapsible standard zoom lens. The HD Pentax-DA 18-50mm F4-5.6 DC WR RE is the world’s shortest zoom when its stored position, and is to be sold as a kit with the just-launched Pentax K-S2 DSLR. The lens offers weather-resistant construction for shooting in rain or mist, and uses Pentax’s multi-layer HD coatings to reduce flare and improve light transmittance. Read more