গোলাকার লেন্স
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Round Convex Meniscus Lens
round Convex Meniscus Lens Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0.01mm Diameter tolerance +/-0.005mm Focal length tolerance +/-1% Surface accuracy N=1~3 ...
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0.005mm Double Convex Lens
0.005mm Double Convex Lens Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0.01mm Diameter tolerance +/-0.005mm Focal length tolerance +/-1% Surface accuracy N=1~3 ...
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BK7 Optical Glass Lens
BK7 Optical Glass Lens Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0.01mm Diameter tolerance +/-0.005mm Focal length tolerance +/-1% Surface accuracy N=1~3 ...
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এলইডি ফটোমেট্রিক বা এলইডি ফ্ল্যাশলাইটের জন্য কাস্টম ফ্রেসনেল লেন্স
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'...
