Specifications:

• Weight: 300g
• Type: Monocular
• Model Number: Fixed Diameter Focusing Mask
• Material: Alluminium Alloy
• Mask Diameter: As the picture show
• Item: Double-line Bahtinov Focusing Mask
• Function: Accurate Focus in Deep-space observation
• Fixed Diamter: As the picture show
• Feature: High-precision Double-line
• Color: Black
• Brand Name: orgho