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offer low attenuation and excellent birefringence for high performance applications
Black Color
4 nylon lock nuts
bare fibers
E-68-263 25mm Dia x 30mm FL 3-5μm Coated, Hybrid Ge Aspheric Lens product-series_rm220 offer low attenuation and excellentE 68263 25mm Dia x 30mm FL 3 5m Coated, Hybrid Ge Aspheric Lens Product Coating Curve Product Drawing Diameter (mm): 25. 00 +0. 0 0. 1 Effective Focal Length EFL (mm): 30. 00 @ 4000nm Numerical Aperture NA: 0. 42 Back Focal Length BFL (mm): 28. 00 Substrate: Germanium (Ge) Aspheric Design Wavelength (nm): 4000 Coating: BBAR (3000 5000nm) Coating Specification: Ravg <3. 0% @ 3 5m Surface Accuracy, P V (m): 0. 3 Centering (arcmin): 5 Surface Quality: 60
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