50mm PMMA Fresnel Focal Lens, 28-100mm Threaded Capacitor for LED Stage Light, DIY Projector(1 pcsx 28mm)

PMMA acrylic material offers 92% light transmission, ensuring bright and efficient optical performance for various lighting and projection applications. Available in focal lengths from 28mm to 100mm, this 50mm round lens offers flexible beam angle adjustment for spotlights, stage lights, flashlights, and fishing lights. Threaded edge device (0.012 mm pitch) allows for secure mounting and easy integration into optical housings, reducing assembly time and improving stability. It works reliably in temperatures from -40°F to +176°F, making it suitable for optical equipment, experiments and product development for both indoor and outdoor use. Versatile use: ideal for LED lighting, DIY projectors, VR glasses, magnifying glass observation and various optical research or prototypes.