It's probably sacrilegious and totally frowned upon, but I'm new to the hobby and wholly ignorant so I should get a pass. lol
Get a smartphone clamp of some design that you prefer - that's how I first got started with astrophotography, chasing after the moon, Jupiter, and Saturn.
Yup! I bought this adapter:
Orion SteadyPix Quick Smartphone Telescope Photo Adapter https://www.amazon.com/dp/B0069FKL5E/ref=cm_sw_r_cp_api_i_-qRpFbNWCHRST