An older video of mine, but may be of some interest….
Some useful tips and tricks for Esprit owners, very cheap priced M65 extension tubes to allow better  backspace rather than have the focus tube out so far on these scopes, also some Pegasus Astro Esprit dedicated adapters to allow a proper rotator to be fitted between the flattener and the focuser, rather than use the very poor built in esprit rotator….take a look…

https://youtu.be/erk6oWHICiw?si=7rcgaJ8ZmxzXR9_T