Super rare Leica 400mm F/6.8 Telephoto lens. Push-pull focus that is super fast and easy to use. This was the lens to beat for year. Truly exceptional. Kick-up the ISO on your D4 or D800 and shoot wide-open with this bad boy. Really nice lens. I used this on two National Geographic bird assignments and the results are stellar. (Great Blue Herons - April 1984). Lens is super-light and unscrews into two sections.
Permanent Nikon Mount. Here is a sweet little review of the lens.
http://www.overgaard.dk/leica_R4_400_telyt-R_68.htmlUSA and Canada sales only. Paypal Preferred. Shipping by FedEx ground. $700 or best offer. Can send more jpegs if you like. Please respond via email or PM. cameron AT camerondavidson DOT com.