SEOH Lens Glass Double Convex 50mm x 1000mm Focal Length
SEOH Lens Glass Double Convex 50mm x 50cm Focal Length
SEOH Lens Glass Double Convex 38mm x 20cm Focal Length
SEOH Lens Glass Double Convex 38mm x 5cm Focal Length
SEOH Lens Glass Double Convex 38mm x 10cm Focal Length