Askar ED80 Two-Element f/7 Telescope - ASK80ED

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The Askar 80ED is a telescope with an aperture of 80mm, a focal length of 560mm, and a focal ratio of F7. The optical lens features a two-element structure, consisting of one ED gl ass and one standard achromatic glass. Specifications Parameters Aperture size 80mm Focal length 560mm Focal ratio f/7 Objective lens Doublet (including one ED glass) Total length 404mm(when the dew shield is contracted) 505mm(when the dew shield is stretched) OTA weight 1.7kg Gross weight（including tube ring and dovetail plate） 2kg Rear-end thread type 2" adapter Standard package items a manual Product Size Diagram The Locking Screw Position Diagram Electronic Focuser Assembly Diagram Optical Path Diagram Spot Diagram Longitudinal Aberration Show more