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

Thorlabs website for more information on cylindrical lenses

Edmund Optics website for cylindrical lens applications

YouTube video on how to make a necklace projector using a cylindrical lens