This is my video on how to install the William Optics Camera Angle Rotator and the William Optics Adjustable Flat6A III Reducer / Flattener it is a very simple process to do. So follow along with me and take notes on the measurement's for the back focus and the field flattener and you will be ready to rock. I really like this telescope it has a very nice feel and build quality to it Follow me! My Instagram: My TikTok: @astroq51?lang=en here is the link to the William optics web page to confirm the information William Optics Camera Angle Rotator for 2.5" M63 Focuser: William Optics Adjustable Flat6A III Reducer / Flattener: #astrohelp #astrophotography