80mm, Fl 500mm, f/6.3; ED Semi-Apochromat Richfield Refractor: Multi-coated air-spaced doublet; solid 2″ focuser with smooth rack and pinion with locking screw; 6×30 finderscope with cross hair reticle; mounts on any standard photo tripod
The model featured is from 1993 and is owned by Tore Engen, Oslo, Norway; this model was found advertised in a Kasai Catalog along with several other Unitron accessories including finder scopes and eyepieces; it is currently the only Unitron ED Apochromat that has been discovered:
Kasai Catalog
Some additional photos taken on location during a solar observing session:
