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40 20 optical glass lens
Selling leads
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... is variation of focal length with wavelength. Achromatic doublet lenses correct for this as they are constructed from two different glass types ...
2026-09-05 00:32:38
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...Thickness +/-0.1,+/-0.05,+/-0.01etc Centration +/-2',+/-1' etc Aperture N 5,1 etc Irregularity ΔN 2,1,0.5,0.2 etc Surface quality 60/40,40/20,20/10...
2026-05-21 17:22:34
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Infrared 650nm 10/5 To 60/40 Optical Filter Glass BK7 Custom OEM/ODM Manufacturing Custom manufactured 650nm optical far IR infrared narrow sky ...
2026-05-21 17:24:30
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...Optical Collimator Product Overview Factory direct supply of 76.2mm diameter Testing Cable Lens Push Rod Pipe Inspection Camera Lens with ...
2026-07-07 15:59:57
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...optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0...
2026-05-21 17:20:54
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Optical half ball spherical Ge germanium Infrared IR 200mm Big Optical Lens Ball for thermal camera Specification Ball lenses are commonly used for ...
2026-05-21 17:22:56
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... in medical devices today. With a Mohs hardness of 9, the sapphire endoscope lens resists scratches from surgical instruments, bone fragments, and ...
2026-09-04 07:30:28
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...optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0...
2026-05-21 17:20:50
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...optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0...
2026-05-21 17:20:52
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...optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0...
2026-05-21 17:20:53
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