Beginners speak well of this kind of finder scope, which is quite reasonably priced compared to a digital device: https://www.firstlightoptics.com/finders/astro-essentials-9×50-right-angled-erecting-finderscope.html
It gives a correct image so the orientation is the same as seen by the eye. It has a right angled eyepiece so might be a bit more accessible to view. Astrosteve mentioned that both characteristics are important to Roger, who will also be able to ditch the power supply, computer/monitor, cables, software and other paraphernalia that beginners might struggle with.