Specifications:

• Usage: Optical
• tolerance: +0.5-0.5
• Surface accuracy: 1/3
• Structure: Elliptical mirror
• Shape: Elliptical mirror-secondary mirror
• Remarks: Used as a Newtonian telescope for optical axis steering
• Origin: CN(Origin)
• Model Number: Newton reflecting telescope
• Material: Glass
• Focal length F: --
• Edge thickness H: 4.4mm
• Coating: Aluminum plating plus protective film
• Certification: CE
• Caliber D (short axis): 20mm-70mm