Amlong Crystal Premium Optical Glass Double Convex and Concave Lens Set, 50mm Diameter, 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL), 6 Piece Set
from $13.95
United Scientific Supplies LCC506 Double Concave Lens, 50 mm Diameter, 150 mm Focal Length
from $6.36
EISCO 6pc Optical Lens Set, 2" (50mm) Diameter - 3 Double Convex Lens & 3 Double Concave Lens - 200mm, 300mm, 500mm Focal Lengths - Optically True Glass - Ground, Beveled Edges
from $15.49
PATIKIL 0.4" (10mm) Focal Length Double Convex and Concave Lens Set, Glass Optically Polished Round Edges Lens for Physics Experiment Classroom, Clear
from $7.99
Physics Optical Experiment Set Multifunction Reflector Refraction Triangular Prism Convex Lens Concave Mirror Dial Linear Light Source Teaching Demonstration Equipment for Teacher Student Education
from $19.99
EISCO Optical Glass Lens, 3" (75mm) - 200mm Focal Length - Ground, Beveled Edges - Use as Top Spinning Base
from $11.89
United Scientific LSTA38 Acrylic Demonstration Lens Set, 6 Pieces, 38mm Diameter
from $13.32
PATIKIL 5cm,10cm Focal Length Double Convex and 7.5cm,10cm Focal Length Double Concave Lens 1 Set, 6 Pack Glass Optically Polished Round Edges Lens, Clear
from $15.09 ($2.52 / Count)
EISCO Double Concave Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms
from $13.89
EISCO Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 38mm Dia - 20, 30, 50cm FL
from $15.99
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