Specifications: Optics Type of build Achromat Aperture (mm) 80 Type Refractor Aperture ratio 8 Focal length (mm) 640 Resolving capacity 1,44 Limit value (mag) 11,3 Light gathering capacity 130 Max. useful magnification 160 Coating MgF2 Tube material Aluminium Focuser Connection ( to eyepiece) 1,25" Connecting threaded socket (camera-side) T2 Gear reduction without Mount Type of build Nano Mounting type Azimuthal Load capacity (kg) 3,5 GoTo control no Tripod Type Tripod Included accessories 1.25'' eyepieces 26mm Prism rail Vixen-Style Finder scope Red dot finder Camera adaptor Smartphone Deviating optics 1.25", 90° star diagonal General Series Messier Total weight (kg) 5,3 Area of application Astrophotography no Moon & Planets yes Nature observation no Nebulae & galaxies yes Sun no (Only with appropriate Sun filter)