PhoneSkope U1 Mini

If you have multiple pieces of optical equipment with different size eyepieces that you wish to use your Phoneskope case with, the U1 Mini or U2 Universal Adapters offer you an all-in-one solution. If your eyepieces are sized between 1.2" and 1.8" (30.48mm and 45.72mm), then the U1 Mini Universal adapter will fit and if they are between 1.7" and 2.3" (43.2mm and 58.42mm) then the U2 is the Adapter you need.