Round Fresnel PMMA Lens Threaded Capacitor 20-70 mm for LED Light Projector VR Optics, 1 pcs(D50mmxFL50mm)

Precision threaded concentric grooves on both sides ensure even light refraction, ideal for adjusting beam angle and diffusion' output in LED lamps, stage lights, flashlights and fishing lights. Compatible with DIY Projectors and VR Glasses - Lightweight 2mm acrylic construction minimizes distortion while maintaining high clarity for immersive viewing experiences. Improve close inspection with 92% light transmission: use as a magnifying glass to observe the finest details in images, mechanical parts or circuit boards. Versatile for optical experiments, product research and prototyping: suitable for beam collimation, focal length testing and light path calibration in teaching or laboratory environments. The durable PMMA material withstands temperatures from -40°F to +176°F, ensuring reliable performance in different environments without yellowing or deformation over time.