4PCS Optical Heavy lanthanum Glass Cylindrical Lens DIY Necklace Projector Lens

Product Description:

4PCS optical heavy lanthanum glass cylindrical lens is perfect for DIY necklace projector lens, educational demo, and other optical experiments. Made of high-quality heavy lanthanum glass, these lenses are durable, scratch-resistant, and provide excellent image quality. Each lens measures approximately 10mm in diameter and 20mm in length, with a focal length of 50mm.

Product Features:

– 4 pieces per pack
– Heavy lanthanum glass construction
– Durable and scratch-resistant
– Excellent image quality
– 10mm diameter, 20mm length
– 50mm focal length
– Suitable for DIY necklace projector lens, educational demo, and optical experiments

Benefits:

– Create your own unique necklace projector with ease
– Use for educational demonstrations to illustrate optical principles
– Conduct optical experiments to explore light properties
– Enjoy sharp and clear images with minimal distortion
– Durable construction ensures long-lasting use

Usage Points:

– Easy to install
– Ideal for both indoor and outdoor use
– Can be used with a variety of light sources
– Perfect for beginners and experienced crafters alike

Additional Features:

– Comes with a protective storage case
– Backed by our satisfaction guarantee