lente sferica
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Lente convessa rotonda del menisco
lente convessa rotonda del menisco Specificazione Materiali BK7 o l'altri vetro ottico, quarzo, zaffiro, GE, si, ZnSe, CaF2 ecc Diametro 1.5~300mm Raggio R0.8mm-∞ Lunghezza focale -30000mm~+30000mm Tolleranza concentrare di spessore +/-0.01mm Tolleranza del diametro +/-0.005mm Tolleranza di ...
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doppia lente convessa di 0.005mm
doppia lente convessa di 0.005mm Specificazione Materiali BK7 o l'altri vetro ottico, quarzo, zaffiro, GE, si, ZnSe, CaF2 ecc Diametro 1.5~300mm Raggio R0.8mm-∞ Lunghezza focale -30000mm~+30000mm Tolleranza concentrare di spessore +/-0.01mm Tolleranza del diametro +/-0.005mm Tolleranza di lunghezza ...
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Lente di vetro ottica BK7
Lente di vetro ottica BK7 Specificazione Materiali BK7 o l'altri vetro ottico, quarzo, zaffiro, GE, si, ZnSe, CaF2 ecc Diametro 1.5~300mm Raggio R0.8mm-∞ Lunghezza focale -30000mm~+30000mm Tolleranza concentrare di spessore +/-0.01mm Tolleranza del diametro +/-0.005mm Tolleranza di lunghezza focale ...
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Lente di Fresnel personalizzata per fotometria LED o torcia a 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'...
