Specifications:

• Use: Surveillance systems,infrared devices
• thickness: 1mm
• surface: 40/20 no bubbles no hairlines
• size: D26mm
• Size: D26*1mm
• shape: square
• samples: can offer
• polishing: two sides
• packing: Safety Cartons Packing
• Origin: CN(Origin)
• Model Number: HWB850
• Material: optical glass
• Edge: protection chamfer
• color: black
• coating: you can choose AR coating