Liquid-filled varifocal glasses with manual focusing function

Abstract

The invention belongs to the relevant technical field of zoom optical lenses and discloses liquid-filled varifocal glasses with a manual focusing function. The liquid-filled varifocal glasses comprise a glass body, two lenses arranged on the glass body at interval and a transparent film, wherein each lens comprises an inner lens and an outer lens; a first sealed cavity is formed between the transparent film and the inner lens and is filled with transparent liquid; a liquid through hole communicated with the first sealed cavity is formed in the inner lens; and a liquid channel communicated with the first sealed cavity through the liquid through hole is formed in the lens body. According to the liquid-filled varifocal glasses, the transparent film deforms by changing the volume of the transparent liquid in the first sealed cavity to achieve focusing; the liquid channel is arranged in the glass body and the liquid channel does not pass through a connection part, so that the structure reliability is improved, and the liquid-filled varifocal glasses are simple in structure and relatively high in flexibility.

Description

technical field [0001] The invention belongs to the related technical field of variable focus optical lenses, and more specifically relates to a liquid-filled zoom glasses with manual focus adjustment. Background technique [0002] The traditional zoom optical system is composed of several optical components (lenses), and the focal length of the system is adjusted by moving the components back and forth, resulting in a large thickness of the lens along the optical axis, complex driving system results, high energy consumption, and a complex structure of the entire zoom system , volume and weight are big, and manufacturing cost is high. Traditional zoom lenses mainly include bifocal and progressive. The eyeglasses of bifocal glasses are synthesized by two lenses with different focal lengths. The glasses have only two diopters, and the visual effect at intermediate distances is not ideal, and the appearance is poor. The curvature of the lens surface of progressive glasses cha...

AI Technical Summary

Problems solved by technology

At present, those skilled in the art have done some research, such as patent CN03233686 discloses a kind of liquid-filled zoom glasses, by automatically timing electricity in the coil to generate a magnetic field, attracting the iron sheet to squeeze the bubble, changing the liquid chamber connected to it The volume of the internal liquid causes the deformation of the elastic zoom lens that seals the liquid, and realizes automatic timing zoom; another example is patent CN200780026199, which discloses a kind of zoom glasses. The pipe connects the flexible lens chamber to achieve zooming. The focus roller is far away from

Images