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EXFO's ELS-50 Light Source provides excellent stability and high measurement accuracy for up to three single mode wavelengths or two multimode wavelengths
1300 + 50/—10
EXFO LFD-300B and TG-300B User Manual (PDF)
Product Curve Coating
E-31-402 63.5mm Dia x 354.9mm FL Achromatic Lens product series_hot melt ovens EXFO's ELS-50 Light Source providesE 31402 63. 5mm Dia x 354. 9mm FL Achromatic Lens Product MGF2 Coating Curve Product Drawing Diameter (mm): 63. 50 +0. 00 0. 10 Effective Focal Length EFL (mm): 354. 87 Focal Length Tolerance (%): 1 Back Focal Length BFL (mm): 344. 52 Focal Length Specification Wavelength (nm): 587. 6 Clear Aperture CA (mm): 62. 70 Centering (arcmin): 5. 00 Center Thickness CT 1 (mm): 11. 94 Center Thickness CT 2 (mm): 8. 86 Center Thickness Tolerance (mm): 0. 20