MONOCULAR HANDHELD DEVICE AND OBJECTIVE LENS ASSEMBLY

Abstract: a monocular handheld device and an objective lens assembly are provided. the objective lens assembly includes a first lens, a second lens, a first focusing ring and a second focusing ring. optical axes of the first and second lenses are parallel, and the first and second lenses are movable forward and backward along the respective optical axis. the first focusing ring and the second focusing ring are coaxial and sleeved outside the first lens and the second lens in sequence along an axial direction, and the first focusing ring and the second focusing ring are rotatable around the axial direction. the first lens is driven to move forward and backward through rotation of the first focusing ring, to focus the first lens independently. the second lens is driven to move forward and backward through rotation of the second focusing ring, to focus the second lens independently.

Inventor(s): Rong HAN, Yong ZHANG

CPC Classification: G02B7/026 (OPTICAL ELEMENTS, SYSTEMS OR APPARATUS)

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