Round Fresnel Lens 50mm PMMA Threaded Condenser for LED Light Projector DIY VR Optics(D60mm-FL80mm)

Precision-molded PMMA acrylic Fresnel lens delivers 92% light transmittance for efficient beam focusing and angle adjustment in LED lights, stage lights, flashlights, and fishing lamps. Threaded concentric groove devise (0.3mm pitch) effectively condenses and directs light, ideal for DIY projectors, VR headsets, and optical experiments requiring compact, lightweight optics. Available in multiple diameters (20mm, 40mm, 42mm, 50mm, 60mm, 70mm) with a uniform 2mm thickness, allowing flexible integration into custom optical assemblies or replacement applications. Wide operating temperature range from -40°C to +80°C ensures stable performance in diverse environments, from indoor lighting fixtures to outdoor optical equipment. Suitable for magnifying observation of fine details, image projection, and various research or product development projects; each package includes one lens with clear diameter and focal length specifications.