lentille sphérique
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Lentille convexe ronde de ménisque
lentille convexe ronde de ménisque Spécifications Matériaux BK7 ou tous autres verre optique, quartz, saphir, GE, SI, ZnSe, CaF2 etc. Diamètre 1.5~300mm Rayon R0.8mm-∞ Longueur focale -30000mm~+30000mm Tolérance centrale d'épaisseur +/-0.01mm Tolérance de diamètre +/-0.005mm Tolérance de longueur ...
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double lentille convexe de 0.005mm
double lentille convexe de 0.005mm Spécifications Matériaux BK7 ou tous autres verre optique, quartz, saphir, GE, SI, ZnSe, CaF2 etc. Diamètre 1.5~300mm Rayon R0.8mm-∞ Longueur focale -30000mm~+30000mm Tolérance centrale d'épaisseur +/-0.01mm Tolérance de diamètre +/-0.005mm Tolérance de longueur ...
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Lentille BK7 en verre optique
Lentille en verre optique BK7 spécification Matériaux BK7 ou autre verre optique, quartz, saphir, Ge, Si, ZnSe, CaF2 etc. Diamètre 1.5~300mm Rayon R0.8mm-∞ Distance focale -30000mm~+30000mm Tolérance d'épaisseur au centre +/-0.01mm Tolérance de diamètre +/-0,005 mm Tolérance de distance focale +/-1% ...
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Lentilles de Fresnel personnalisées pour lampe de poche photométrique ou LED
Brief Introduction of Fresnel lens: Fresnel lens, succession of concentric rings, each consisting of an element of a simple lens, assembled in proper relationship on a flat surface to provide a short focal length. The Fresnel lens is used particularly in lighthouses and searchlights to concentrate ...
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Optical grade PMMA eyeglasses material plano-concave structure oem led optical lens
Optical grade PMMA eyeglasses material plano-concave structure oem led optical lens Polished glass lenses are manufactured from pressed blanks by using a polishing process. We also offer post‐processing centering, coating, lens painting (sumi), cementing (balsam) per your requirements. Specification ...
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Factory bk7/fused silica k9 crystal glass china optical glass plano concave lens for optical instruments
Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etcDiameter1.5~300mmRadiusR0.8mm-∞Focal length -30000mm~+30000mmCenter thickness tolerance+/-0.01mmDiameter tolerance+/-0.005mmFocal length tolerance +/-1%Surface accuracy N=1~3Irregularity ΔN=0.1~0.5Decenter3''~1'...
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Customization Optical N-BK7/ K9/ Quart Glass Plano-concave Lens
Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etcDiameter1.5~300mmRadiusR0.8mm-∞Focal length -30000mm~+30000mmCenter thickness tolerance+/-0.01mmDiameter tolerance+/-0.005mmFocal length tolerance +/-1%Surface accuracy N=1~3Irregularity ΔN=0.1~0.5Decenter3''~1'...
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K9 BK7 Custom Lens Price Frame Optical Glasses Blue Cut Concave Lens Double Concave Spherical Plano Concave Lens
Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etcDiameter1.5~300mmRadiusR0.8mm-∞Focal length -30000mm~+30000mmCenter thickness tolerance+/-0.01mmDiameter tolerance+/-0.005mmFocal length tolerance +/-1%Surface accuracy N=1~3Irregularity ΔN=0.1~0.5Decenter3''~1'...
