Optically worked grounded edges.
PHY-00363/1 50 mm Dia. F.L. 50 mm
PHY-00363/2 50 mm Dia. F.L. 100 mm
PHY-00363/3 50 mm Dia. F.L. 150, 200, 250 , 300 ,500 & 1000 mm
Optically worked grounded edges.
PHY-00365/1 50 mm Dia. F.L. 50 mm
PHY-00365/2 50 mm Dia. F.L. 100 mm
PHY-00365/3 50 mm Dia. F.L. 150, 200, 250 , 300 ,500 & 1000 mm
Grounded and polished faces with grounded edges, size 50 x 50 mm,
PHY-00369/1 60 mm F.L
PHY-00369/2 75 mm F.L
PHY-00369/3 100 mm F.L
PHY-00369/4 150 mm F.L.
Optically worked grounded edges. Dia 50 mm, Set in a box, consists one each of plano-concave, plano-convex, double concave, double convex, converging concave-convex & diverging concave-convex