SMART PHONE ADAPTER FOR CONNECTING OPTICS INSTRUMENT

PURPOSE: A smart phone adapter for connecting optical devices is provided to connect a smart phone having various functions to the optical device and to variously utilize the smart phone in an infrared rays system besides a visible ray optical system. CONSTITUTION: A smart phone adapter for connecting optical devices comprises a case (1), a case fixing member (3), a coupling ring (5), an eyepiece fixing ring (7), and a stopper (9). A smart phone is accommodated in the case. The case fixing member fixes the case. The coupling ring is combined in the case fixing member. The eyepiece fixing ring is coupled with the coupling ring and is combined in the optical device. The eyepiece fixing ring includes a first latching protrusion (23) protruded in the radial direction at outer circumference. The stopper is supplied to the coupling ring and limits a rotary movement of the coupling ring relative to the eyepiece fixing ring.