ZWO AM3 & AM5 Counterweight Bar - BC230 103mm Telescopes it weighs in at only

it weighs in at only 2

Antares Model No: UB2S Optics Type: Barlow Lens Aperture: 27 mm Focal Length: -NA- Optical Design: Negative Doublet FL Increase: 2x

the New General Catalog

Nylon safety straps Two 1” x 4” Velcro straps

ZWO AM3 & AM5 Counterweight Bar - BC230 103mm Telescopes it weighs in at onlyThis 230 mm counterweight shaft is designed to attach to the bottom of the ZWO AM5 or AM5 mount and others that would accept a screw with M12x1. 75 mm threads. The shaft is 20 mm in diameter and is made of 304 stainless steel. Use a counterweight (sold separately) that is made to slide onto a 20 mm diameter counterweight shaft (like this one). A counterweight (sold separately) and counterweight bar is needed when the load on the AM5 mount is over 13