Explore Scientific ED152 mm f/8 APO Triplet Refractor with Hex 3.3" Focuser ED152 mm Carbon Fiber f/8 Air Spaced Triplet w/Removable Dew Shield 1216 mm focal length 3.3" Hexagonal Two-Speed Focuser Cradle Ring with Handle and Losmandy Style Dovetail Plate 99% Reflective 2" Diagonal Weight: 21 lb The Explore Scientific ED152 mm f/8 APO Triplet Refractor comes with a Hexagonal 3.3" rack & pinion dual-speed focuser. The included 2" diagonal has a precision-polished mirror with enhanced 99% dielectric coatings. The 152 mm telescope is supplied with a Losmandy style dovetail for attachment to mounts from Celestron, Losmandy, Meade, and more. This ED 152 Carbon Fiber Edition f/8 Air Spaced Triplet is a high quality Apochromatic triplet refracting scope with a 152 mm aperture objective and 1216 mm focal length. This f/8 focal ratio scope has a limiting magnitude of 13 and a super resolution of 0.75 arcsec. At only 20.5 lb weight, it is easy to carry and set up, as well as easy to use. Each 152 is serial numbered and if registered within 60 days is protected with the Explore STAR Lifetime Transferrable Warranty. Specifications: Scope Description: ED152mm Carbon Fiber Air-Spaced Triplet Refractor with Hexagonal 3" Focuser Item Number: TED15208CF-HEX Focal Length: 1216 mm Focal Ratio: f/8 Limiting Magnitude: 13 Resolution: 0.75 arcsecond Tube Length w/Dew Shield: 52"; 1320 mm Tube Length w/out Dew Shield: 41"; 1041 mm Diameter: 165 mm Weight: 20.5 lb (9.3 kg) Dovetail: Vixen or Losmandy type