Hi Rsb,
that looks like a very nice setup.
I also have an iPhone 13 pro and a Swarovski ATX scope, but the PA adapter ring, i.e. the old aluminium one, which is why I measured its outer thread diameter (15mm), ordered a M15x0,75 tap at voelkel and bought a 14mm drill and hope everything will fit the adapter ring. I also bought the same phone case.
Now my questions:
Is the material you used pure aluminum?
Did you use two pieces, one with the hole and thread, the other one without?
How thick are the two pieces as I guess your 5mm only refers to the one with the thread?
How did you glue them together and how did you glue them to the case?
Are you happy with the distance to the wide lens (no black circle around the picture)?
Any other tips for a newbie in using a tap and glueing plastic with metal?
Thanks a lot