A $25 Amazon “Wi-Fi Digital Microscope”. It’s been good to me for about 2 years now. I tried a loupe.. Never again! https://www.amazon.com/Microscope-Magnification-Inspection-Compatible-Smartphone/dp/B07PVMRZQH/ref=mp_s_a_1_3?crid=17AXMURKVQ6LJ&keywords=wifi+digital+microscope&qid=1667339319&qu=eyJxc2MiOiIzLjQxIiwicXNhIjoiMy4yNyIsInFzcCI6IjMuMTAifQ%...