1. Press the lock button on the optic adapter back towards you to lock in place.
2. Attach Phone Skope case to the optic adapter.
3. Press the lock button away from you to unlock universal optic adapter.
4. Slide universal adapter over eyepiece of optic.
5. To tighten the universal adapter to the scope, begin turning the adapter counter-clockwise until it is snug on the eyepiece.
6. When desired fit is acquired, press the lock button back towards you to lock in place.