Takahashi

Specifications:

• Aperture: 130mm
• Focal Length: 430mm
• Focal Ratio: f/3.3
• Image Circle Diameter: 44mm
• Optical Type: Modified Hyperbolic Newtonian
• Tube Diameter: 166mm
• Tube Length (with lens hood retracted): 460mm
• Tube Weight: 4.9kg
• Metal Back Distance: 56.2mm