CaF2 Σφαιρικό γυάλινο φακό 12.7mm UV Fused Silica Lens αρνητικό εστιακό μήκος

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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