Плоско-выпуклая линза, плавленый кварц, 25,4 мм, 1000 мм EFL, покрытие AR.4 Модель: SPX034AR.4

Технические характеристики

• Lens Shape Plano-Convex
• Diameter 25.4 mm
• Lens Material HPFS 7978
• Antireflection Coating 230-266 nm
• Coating Code AR.4
• Reflectance Ravg
• Damage Threshold 15 J/cm2, 20 nsec pulses, 10 Hz at 1064 nm
• Surface Quality 15-5 scratch-dig
• Surface Flatness &lambda,/10
• Surface Accuracy, Irregularity &lambda,/8
• Surface Accuracy, Power 1.5 &lambda,
• F/# 39.4
• Effective Focal Length (EFL) 1000 mm

• Back Focal Length (BFL) 997.82 mm
• Radius of Curvature (R) 459.000 mm
• Edge Thickness (Te) 3.0 mm
• Center Thickness (Tc) 3.176 mm
• Design Wavelength 589 nm
• Chamfers 0–0.8 mm face width
• Chamfers Angle/Tolerance 45° ±15°, typical
• Focal Length Tolerance ±1 %
• Diameter Tolerance +0/-0.1 mm
• Center Thickness Tolerance ±0.1 mm
• Clear Aperture &ge,central 90% of diameter
• Cleaning See How to Clean Optics