Sigma - 800mm f/5.6 APO DG HSM Lens for Canon EF | Woodland Hills
nikon 800mm f5.6 af lens perfect condition | eBay
Nikon 800mm f/5.6 FL Review
SLR Lounge - You guys remember that new 800mm f5.6 Nikon lens that was delayed? Well apparently its now shipping to NPS members, ahead of the official release date of May 31st.
Nikon announces development of 800mm F5.6 VR super-telephoto lens: Digital Photography Review