AN OPTICAL SYSTEM COMPRISING A LENS WITH AN ADJUSTABLE FOCAL LENGTH
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United States of America
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Mar 3, 2022
app pub date -
Dec 20, 2019
filing date -
Dec 20, 2019
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Abstract
The invention relates to an optical system (1) comprising a solid lens barrel (2) for optical elements (3), wherein the lens barrel (2) extends along an optical axis (100) of the optical system (100), the lens barrel (2) holding a plurality of optical elements (3), the plurality comprising a lens system (5), comprising at least one solid lens (53), and a first lens (6) having an adjustable focal length, wherein the first lens (6) comprises a container (62) filled with a transparent fluid, wherein the container (62) comprises an elastically deformable and transparent membrane (61) facing a transparent bottom portion (67) of the container (62), wherein the lens barrel (2) has a first and a second opening (22, 22′) facing along the optical axis (100), wherein the first and/or the second opening (22, 22′) is configured to receive the lens system (5), wherein the lens barrel (2) has a first slot (24) extending perpendicular to the optical axis (100), wherein the first lens (6) is inserted through the first slot (24) perpendicular the optical axis (100) into the lens barrel (2). The invention further relates to method of assembly of such an optical system (1).
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