4
Specifications
Optical Design Refractor
Clear Aperture 108mm
Focal Length 648mm
Focal Ratio f/6
Lens Type 2 elements, Air-spaced, ED S-FPL51+S-NBM51 glass
Resolving Power 1.05 arc seconds
Visual Limiting Magnitude 12.5
Dew Shield Retractable
Focuser 2 ", 360° Rotatable 1:11 Crayford dual speed focuser
Tube Length 535 mm
Tube Weight 10 lbs
Accessories 114mm Tube ring + 1.25" Adapter brass compressing ring
Packaging High quality aluminum case
Case Dimensions 30” x 8.9” x 9”
Gross Weight 23.1 lbs
Revised May 2011
