caf2 球状ガラスレンズ 12.7mm UV 溶融シリカレンズ 負焦点長
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.
