6572, BORG 90FL F4 Set (helical focuser)

This is the value pack BORG 90FL F4 astrograph complete set including mounting rings and two plates.

• Aperture : 90mm Fluorite apochromat
• Focal length : 360mm
• F-ratio : 4.0
• Lens configuration : 6 elements in 5 groups
• Coating : Fully multi-coated
• Physical length : 390mm
• Tube diameter : 80mm
• Weight : 2.5kg
• Filter : 82mm (front cap) & 48mm in front of reducer
• Parts included : 2591, 7101, 7780, 7790, 7835, 7506, 7000, 7872, 2x7085, 3200 & 3125 (Camera and camera adapter are not included)