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Glass Cylindrical Lenses Bi-Concave Power 14D (Focal Length ~72Mm)
Precision lenses for straight line light focus.
Student Glass Prism, Equilateral (Length 100 Mm, Face 25Mm)
Clear, precise prism for scientific experiments.
Lens Demonstration Set, Glass, 50 Mm Lens Set
Comprehensive 50mm lens set for optical demonstrations.
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