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Optical Bk7 Cemetning F3 Glass Doublets Achromatic Lens
2025-04-13
introduction 3480
doublets lens
Lighting, Medical, Optical, Photography
Convex Lens
>95%
Doublet
Optical Glass
Clear
ISO9001
Customized
60/40
1-100mm
Changchun
9001909090
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