Precision-molded PMMA acrylic lens with 92% light transmittance, offering clear and efficient light concentration for LED, stage, and flashlight applications. Versatile focal length range (28-100mm) allows flexible beam angle adjustment, suitable for optical experiments, DIY projectors, VR headsets, and magnifying observation. Durable and lightweight devise with 2mm thickness and 0.3mm thread pitch, resistant to temperatures from -40°C to +80°C for reliable long-term use. Flat structure with smooth optical surface, compatible with standard 50mm holders and mounts, ideal for custom lighting and optical product development. Widely used in lamp modification, condenser systems, and scientific research; a practical component for hobbyists, engineers, and educators.
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