Vixen NA140SS NEO Achromatic Refractor Optical Tube Assembly

NEO Achromatic objectiv : D=140mm F=800mm (f5.7), Magenta coated Resolving power : 0.82 arc seconds Limiting magnitude : 12.5 Light gathering power : 400x unaided eye Finder scope : Optional Adapter thread : 60mm Visual back : 50.8mm Accessories : Dual speed focuser, 50.8mm compression ring Photography applicable to : Prime focus and Eyepiece projection Size and weight : 140mm dia. x 1040mm long and 6.7 kg / 14.75 lb Attachable Mounts _ SX Equatorial Mount _ SXD Equatorial Mount _ GPD2 Equatorial Mount