BISS: Eisco Labs 6 Piece Premium Optical Glass Lens Set, 50mm Diameter - 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL) - EISCO
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 50mm Diameter, 100mm Focal Length - Ajax Scientific
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 50mm Diameter, 150mm Focal Length - Ajax Scientific
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 50mm Diameter, 500mm Focal Length - Ajax Scientific
BISS: United Scientific LCV108 Glass Double Convex Lens, 100mm Diameter, 200mm Focal Length - United Scientific Supplies
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 38mm Diameter, 50mm Focal Length - Ajax Scientific
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 50mm Diameter, 250mm Focal Length - Ajax Scientific
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 38mm Diameter, 100mm Focal Length - Ajax Scientific
BISS: American Educational 6 Piece Glass Lens Set - American Educational
BISS: SEOH Lens Glass Double Convex 100mm x 500mm - SEOH
BISS: SEOH Lens Glass Double Convex 50mm x 1000mm Focal Length - Scientific Equipment of Houston
BISS: SEOH Lens Glass Double Convex 75mm x 20cm Focal Length - Scientific Equipment of Houston
BISS: SEOH Lens Glass Double Convex 38mm x 5cm Focal Length - Scientific Equipment of Houston
BISS: SEOH Lens Glass Double Convex 38mm x 10cm Focal Length - Scientific Equipment of Houston
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 50mm Diameter, 50mm Focal Length - Ajax Scientific
BISS: Ajax Scientific Polished Glass Double Lenses Spherical (Bi-convex), 38mm Diameter, 150mm Focal Length - Ajax Scientific
BISS: Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 75mm Dia - 20, 30, 50cm FL - EISCO
BISS: Eisco Labs Double Convex Lens, 38mm Diameter, 30cm Focal Length - Ground Edges - EISCO
BISS: SEOH Lens Glass Double Convex 50mm x 50cm Focal Length - Scientific Equipment of Houston
BISS: SEOH Lens Glass Double Convex 50mm x 5cm Focal Length - Scientific Equipment of Houston
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