American Educational Products
American Educational 5-Pack Unmounted Double Convex Lenses with Ground Edges -
American Educational 5-Pack Unmounted Double Convex Lenses with Ground Edges
- Brand: American Educational
- Five unmounted double convex lenses used to demonstrate optical principles in classroom and lab settings
- 75mm diameter double convex lens has a 17.5cm positive focal length
- Ground edges ease handling and ensure clear optics
- Plastic construction is safe and durable for all age groups
- Includes five 75mm diameter lenses
