StayMax Concave Convex Lens Set Optical Glass Lens for Physics Teaching 2 Pack
$11.99
$11.99
$
6
.99
$6.99
- 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
