ZWO Filter Drawer M42

ZWO 2-inch Filter Drawer with 21mm ring design is independently developed by ZWO, which includes M42 * 0.75 male thread (camera side) and M48 * 0.75 female thread (filter end), M48 * 0.75 female thread (telescope side) as well. The dual strong magnets create a secure fit keeping your filter secure. The filter drawer itself takes 48mm threaded filters. The exterior of the filter drawer is threaded for M48*0.75 on the telescope side and M42*0.75 on the camera side. The filter drawer comes with a M48-M42 adapter so you should be able to connect to virtually anything.