Patent ID: 7339755

Claim:
A ring apparatus that is wearable on at least one finger of a user for optical viewing an object in a field of view by an eye of the user, comprising: a main body that is wearable on the at least one finger of the user; a face portion of the main body that is in substantial alignment with a plane of the at least one finger; an optical member; and a coupling member that is arranged to movably couple the optical member to the main body, wherein the coupling member is arranged to provide at least a first alignment position and a second alignment position, wherein the optical member is substantially aligned with the face portion of the main body in a first alignment position, and wherein the optical member is substantially aligned for viewing the object in the field of view by the eye of the user in the second alignment position, wherein the coupling member comprises a sliding member that is formed between the optical member and the main body along a longitudinal direction with respect to the face portion of the main body.