Specifications:

• Size: 72mm
• Origin: CN(Origin)
• Certification: CE
• Use: Surveillance systems,infrared devices
• thickness: 2mm
• surface: 40/20 no bubbles no hairlines
• shape: round
• samples: can offer
• polishing: two sides
• packing: Safety Cartons Packing
• Model Number: HWB760(RG760)-HWB930
• Material: optical glass
• Edge: protection chamfer
• color: black
• coating: you can choose AR coating