StayMax Concave Convex Lens Set Optical Glass Lens for Physics Teaching 2 Pack
Special Features
- Material: Optical Glass
- Size: length about 3.15inch-3.26inch, thickness:0.39 inch
- The refractive index of Lens made of optical glass is better than those made of acrylic.
- Good for demonstrating optical principles and effects for students.
- Quantity: 2PCS
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