Precision 0.3mm pitch concentric grooves deliver sharp, uniform light focusing for DIY projectors, VR headsets, and magnifying applications. Crafted from optical-grade PMMA acrylic with 93% light transmittance, ensuring bright, clear images with minimal distortion. Ultra-thin 2mm profile and 50mm round diameter offer easy integration into custom optical setups, plane magnifiers, or lens arrays. Wide operating range from -40°C to 80°C makes it reliable for both indoor hobby builds and varied environmental conditions. Versatile focal length of 28-60mm supports adjustable focusing for experiments, machine collimation, or solar concentration tasks.
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