Consists of black anodized aluminum mounting, 5 glass lenses, spacers, stops and a retaining ring. The lenses are: 15 mm diameter meniscus, FL= -26 mm; 9.5 mm diameter double convex, FL= 11 mm; 9.5 mm diameter plano-convex, FL= 13 mm; 9.5 mm diameter meniscus, FL= 13 mm; and 9.5 mm meniscus, FL= -21 mm. Focal lengths are estimated. Unused.
