4″ Altazimuth Refractor; 102mm, FL 1500mm, 10x40mm Viewfinder; 6 eyepieces; Star diagonal; Sunglass; Erecting prism;
Additional accessories available: Rotary eyepiece holder, Double eyepiece holder, Sun diagonal, Solar aperture diaphragm, Camera clamp, Sun projection screen, Astro camera, Spectro scope, Barlow lens
Featured models represent both the 1960’s and the 1970’s versions that are primarily differentiated by the fork versus the cradle mounts. The first is the 1960’s version with the cradle mount (All photos courtesy of Xavier Debeerst) :
The second is the 1970’s version with the cradle mount: