2. KODAK EKTANAR ZOOM PROJECTION LENS CAROUSEL TYPE F: 3.5 4 TO 6 inches seems similar to my 102mm to 152 mm lens. older zoom was recently cleaned . *ZOOM TURNS PROPERLY FOUND SPACER THAT WAS MISSING AFTER CLEANING* . Glass good. $15 plus $4 USA shipping Contact me directly at: wiserr@xxxxxxxxxxxx