Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope. This telescope manufactured by the specialists at Explore Scientific comes with heavy-duty high quality components including a 2" diagonal with 99percent dielectric coatings an 8x50 non-illuminated straight -thru finderscope and quick release bracket and a cradle ring assembly with Vixen-style dovetail mount. The Explore Scientific 127mm AR Doublet Achromatic f/6.5 Refractor Telescope will be able to handle the rigors of public star parties and educational outreach. Discover the Universe with the Explore Scientific 127mm f/6.5 Air-Spaced Doublet Achromat Refractor Telescope and behold all its wonders. Specifications for Explore Scientific 127mm AR Doublet Achromatic f/6.5 Refractor Telescope: Focal Length: 826mm Focal Ratio: f/6.5 Limiting Magnitude: 13 Resolution: .9 arcsec Tube Length w/ Dew Shield: 34"; 863mm Diameter: 130mm Weight: 15.6lb; 7.1kg Dovetail: Vixen Package Contents: Explore Scientific 127mm AR Series Achromatic Refractor Telescope Explore Scientific DAR127065-02: AR127 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope