Ricoh Imaging - The first drop-proof zoom lens in the "Limited Lens" series for the K-mount DSLR
Ricoh Imaging is releasing an interchangeable lens for the K-mount digital single-lens reflex camera "HD PENTAX-DA 20-40mmF2.8-4ED Limited DC WR" in mid-December for about ¥100,000.
In the Limited Lens series for K-mount, the "HD PENTAX-DA 20-40mmF2.8-4ED Limited DC WR" is the first drop-proof interchangeable zoom lens, and it features an auto focus function driven by a motor installed in the lens, it adopts the latest high-performance multi-coating called "HD Coating" that reduces the reflectance in the visible light region by about 50% in order for you to be able to take photos with minimized lens flare and ghost in difficult shooting conditions such as with backlight.
It provides focal length 20-40m (an equivalent focal length of 30.5-61.5mm in 35mm terms when mounted with K-mount digital single-lens reflex cameras).
Size: 71mm (diameter) x 68.5mm (length)
Color: Black, Silver
Focal Length: 20-40mm / 30.5-61.5mm (in 35mm format equivalent)
Maximum Aperture: F2.8-4
Minimum Aperture: F22-32
Lens Construction: 9 elements in 8 groups