Round Fresnel Lens PMMA Threaded Condenser 20-70mm for LED Light Projector VR Optics(D50mm-FL40mm)

Precision-molded PMMA Fresnel lens with 0.3mm thread pitch delivers consistent light concentration and beam angle adjustment for LED, stage, and flashlight applications. High 92% light transmittance and wide temperature tolerance (-40°C to +80°C) ensure reliable performance in projectors, VR headsets, and optical research setups. Available in 20mm, 40mm, 42mm, 50mm, 60mm, and 70mm diameters with specified focal lengths, ideal for custom optical builds and magnification tasks. Lightweight acrylic construction with smooth threaded surface reduces glare and distortion, suitable for magnifying fine details or images in observation tools. Versatile for DIY projector assembly, VR glasses prototyping, and educational experiments—compatible with standard optical mounts and housings.