Двояковыпуклая линза, плавленый кварц, диаметр 50,8 мм, 250 мм EFL, 245–440 нм Модель: SBX064AR.10

Технические характеристики

• Lens Shape Bi-Convex
• Diameter 50.8 mm
• Lens Material UV Fused Silica
• Antireflection Coating 245-440 nm
• Coating Type UV Multilayer
• Coating Code AR.10
• Damage Threshold 2 J/cm2, 10 nsec pulses, 10 Hz at 355 nm
• Surface Quality 20-10 scratch-dig
• Surface Flatness &lambda,/2
• Surface Accuracy, Irregularity &lambda,/8
• Surface Accuracy, Power 1.5 &lambda,
• F/# 4.9
• Effective Focal Length (EFL) 250 mm
• Back Focal Length (BFL) 247.99 mm
• Radius of Curvature (R) 228.587 mm

• Edge Thickness (Te) 3.0 mm
• Center Thickness (Tc) 5.831 mm
• Principal Plane 1 (P1) 2.00 mm
• Principal Plane 2 (P2) -2.00 mm
• Design Wavelength 589 nm
• Centration &le,3 arc min
• 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