Model: 12x21,18x25
Main Mirror size: 106mm,150mm
Main Mirror weight: 147g,200g
Set Gross weight: 398g,450g
Objective aperture: 21mm,25mm
Tripod Two-section scalable
Eyepiece Diameter: 14mm
Mobile phone clip aluminum alloy clamp,
Material: High quality aluminum alloy + Super Coated optical lens