This 3d printed adapter is key to a pleasant night of imaging. It keeps the polar scope locked the whole session while the telescope is still free to track. We finally don't have to bend over in awkward positions to check alignment or bump into our rigs and have to redo polar alignment. Here is the link to where you can get one- https://www.etsy.com/listing/1316835090/ioptron-skyguider-pro-finder-scope-anti?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=ioptron&ref=sr_gallery-1-2&frs=1&edd=1&organic_search_click=1