Fresnel Lens 100-300mm PMMA Threaded Condenser for DIY Optical Focus Projector (100mm-70mm)

HIGH LIGHT TRANSMISSION - 92% transmittance ensures bright, efficient light collection and beam control for stage lights, spotlights and flashlights. PRECISION THREADED DEVICE - 0.015" or 0.025" concentric thread pitch focuses light evenly, reducing glare and improving the outlet angle for optical experiments or lamp modifications. DURABLE PMMA MATERIAL - Acrylic construction resists from -40°F to +176°F, offering lightweight, shatter-resistant performance for long-term use in DIY or research facilities. Multiple size options: Available in diameters from 100mm to 300mm with various focal lengths (70mm-220mm), allowing flexible integration into projectors, VR headsets or magnification viewfinders. Wide range of applications: ideal for expanding fine details, optical research, product development or lighting fixture upgrade, no need for complex assembly.