Round Fresnel Lens 50mm PMMA Threaded Condenser for LED Light Projector DIY VR Optics (D60mm-FL40mm)

Precision molded PMMA acrylic Fresnel lens offers 92% light transmission for efficient beam focus and angle adjustment in LED lights, stage lights, flashlights and fishing lamps. Threaded concentric groove (0.3mm pitch) effectively condenses and directs light, ideal for DIY projectors, VR headsets and optical experiments that require compact and lightweight optics. Available in different diameters (20mm, 40mm, 42mm, 50mm, 60mm, 70mm) with a uniform thickness of 2mm, allowing flexible integration into custom light assemblies or replacement applications. The wide operating temperature range from -40 °F to +176 °F ensures stable performance in a variety of environments, from indoor lighting fixtures to outdoor optical equipment. Suitable for magnifying fine detail observation, image projection and various product research or development projects; Each package includes a lens with clear diameter and focal length specifications.