Product introductionPlano concave lenses, which have a negative focal length, are used to diverge a beam of parallel light. The concave lens is spherical on one side and flat on the other. The middle is thinner than the two sides.Company introductionNanjing Lingyingchuang Photoelectric Technology Co......



4" Diameter UV Fused Silica AR -Coated Optical Protective Window
90% 13.93mm Fixed Focus Ar Infrared Imaging Uncooled Detector Thermal Imager Athermal Lens 50mm 640*512-17um Athermal Lens Focal Length 1.0 8-12um
1.56 Progressive Blue Cut Ar Coating Optical Lens for Eyeglasses
Customized Achromatic Doublet Lens Near UV or Near IR Optical Glass Silica Fused Quartz Bk7 2 Kind of Glasses Material Achromatic Lenses with Ar Bbar Coating
Customized Bk7/H-K9l AR Coated Spherical Optical Plano Concave Lenses
Custom Bk7/K9 UV Fused Silica Ar Coated Optical Plano Concave Lenses