CaF2 Сферическое стекло 12,7 мм УФ расплавленная силиконовая линза отрицательная фокусная длина

Video Description:
Discover the CaF2 Spherical Glass Lens 12.7mm UV Fused Silica Lens with a negative focal length. This plano-concave (PCV) lens diverges collimated beams, ideal for image reduction and light spreading. Perfect for precision optical applications.
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