Specifications:

• Use: Microscopes
• Usage: Optical
• Thickness tolerance: +/-0.1mm
• Surface: 60/40
• Structure: Double Convex
• Shape: Spherical
• Radius of curvature: 7mm
• Origin: CN(Origin)
• Model Number: Double convex lens 7.8
• Material: BK7
• Focal length tolerance: +/-1%
• Edge thickness: 2.03mm
• Diameter: 7.8mm
• Coating: AR Coating 808 NM
• Clear aperture: Greater than 90%
• Certification: NONE
• Center thickness: 4.4mm