My travel scope is a 4" f5 achro with an EQ3 mount with RA tracking. Have spent hours with just an ES 30mm 82º just cruising the sky. 24mm 68º is great too. Takes a WO Bino no problems too
Scope and mount cost $320 pre-loved. Very little in the way of Field Curvature and out in the dark there are so many stars it doesn't matter anyway...the view of 5º+ TFOV. No finder either...don't need one.
If I ever get so lucky to do what your doing I'd take that scope and mount. Set up in under a minute. The photo is an old one. Now I have proper rings not guide scope rings. For lighter weight eyepieces I slide the counterweight up the shaft.
Matt