Fresnel Lens PMMA Threaded Condenser 1pcs(D30mmxFL50mm)

THREADED CONDENSER devise: This round Fresnel lens features a 0.3mm thread pitch for secure mounting in LED light, stage light, flashlight, and fishing light assemblies while adjusting beam and output angle HIGH TRANSMITTANCE PMMA: Made of PMMA acrylic with 92% light transmittance, this condenser lens delivers clear optical performance for projector, VR glasses, and lamp applications MULTIPLE DIAMETER OPTIONS: Available in 20mm, 40mm, 42mm, 50mm, 60mm, and 70mm diameters with 2mm thickness to fit various optical setups and DIY builds VERSATILE OPTICAL USE: Suitable for DIY projectors, VR glasses, magnifying observation of images or details, and various optical experiments, research, or product development WIDE TEMPERATURE RANGE: Operates from -40°C to +80°C, making this acrylic Fresnel lens reliable for indoor and outdoor optical applications