SVBONY SV158 90mm 2" Visual Extension Tube Eyepiece Adapter

Description 1 Extension tube provides extra focuser back travel often needed for short range terrestrial viewing through a telescope or for astrophotographic applications2 Adds 2 of extension fits in 2 telescope focusers and accepts 2 eyepieces or accessories3 Features two locking thumbscrews to secure any inserted astronomy accessory4 Threaded for use with 2 SVBONY eyepiece and astrophotography filters5 Machined and anodized aluminum tubeSpecifications 1 Brand SVBONY2 Model SV1583 Material Aluminum Alloy4 Color Black5 Specification 2 Extension Tube L 90mm6 Dimensions mm ɸ59 90 mm7 Weight g 134gPackage includes 1 x SVBONY SV158 2 Extension TubeDetails Pictures