For sale: Soligor 450mm f/8 lens, T-threaded for use with any camera mount system, as long as there's a T-ring for it. 1/4-20 tapped mount ring so lens can be mounted directly to a tripod. Well balanced with a light camera body attached (Nikon EM is well balanced while a Nikon F3 is weighted to the camera side). Nice daylight lens (I'm not particularly happy with it as an astro lens, although if you have less sky glow than central Florida, it might work well for you).
$60 shipped CONUS (otherwise arrangements might be made).