SVBONY SV158 75mm 2" Visual Extension Tube Eyepiece Adapter

Description This anodized machined aluminum tube provides extra focuser back travel which is sometimes needed to achieve focus with certain eyepiece telescope combinations More back travel is often needed for short range terrestrial viewing through a telescope or with use of a field flattener coma corrector or focal reducer lens Adds 2 inches of length extension This 2 extension tube features one locking thumbscrews and is threaded for use with 2 filters Specifications 1 Brand SVBONY2 Model SV1583 Material Aluminum Alloy4 Color Black5 Specification 2 Extension Tube L 75mm 6 Dimensions mm ɸ59 75 mm7 Weight g 108gPackage Includes 1 x SVBONY SV158 2 Extension TubeDetails Pictures