A microscopic objective lens focusing adaptation device

Abstract

The invention relates to the technical field of a microscope and discloses a microscopic object lens focusing adaption device. The microscopic object lens focusing adaption device comprises a microscopic object lens, an object lens frame, an adaption interface ring and an inner sleeve, wherein an interface of the microscopic object lens is provided with an outer thread, the object lens frame is provided with an inner thread hole, an inner portion of the adaption interface ring is set to be a step hole axially, one end of the step hole is an adaptation hole, the other end of the step hole is a connection hole, the adaption hole and the connection hole are respectively provided with an inner thread, the adaptation hole is used for being in matching connection with the interface thread of the microscopic object lens, an outer surface of the inner sleeve is provided with an outer thread, one end of the inner sleeve is used for being in matching connection with the connection hole thread, and the other end of the inner sleeve is used for being in matching connection with the inner thread hole of the object lens frame. The microscopic object lens focusing adaption device is advantaged in that replacement of a microscopic object lens and samples can be conveniently and freely carried out on the basis of demands of a user, and focusing of the microscopic object lens can be rapidly carried out.

Description

technical field [0001] The invention relates to the technical field of microscopes, in particular to a microscopic objective lens focusing and adapting device. Background technique [0002] An optical microscope is an optical instrument that uses optical principles to magnify and image tiny objects that cannot be distinguished by the human eye to extract fine structure information. It usually includes three parts: mechanical, optical, and imaging equipment. The current microscope optical system has two types: infinity focus and finite focus. Among them, the finite focus microscope is mainly used in fields that do not require high imaging quality. poor. With the 1990s, especially after 2000, the world's top manufacturers mainly launched product research and development of infinity-corrected optical microscopy technology. The schematic diagram is as follows figure 1 shown. Compared with traditional finite-focus microscopes, infinity-focus microscopes have the advantages of ...

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Problems solved by technology

[0003] However, due to the inconsistency of the microscope objective lens interfaces of major manufacturers in the world, it is difficult for users to freely replace the microscope objective lens during use, and it is difficult to guarantee mutual compatibility even for the same type of microscope objective lens from the same manufacturer. The focal plane and the working distance are exactly the same, and it is difficult to guarantee different microscope objectives from the same manufacturer, or even different manufacturers. , in the microscopic imaging system that is difficult to achieve automatic focusing, in addition to the matching of the interface, how to easily and quickly focus the objective lens is also a major difficulty in the replacement of the microscopic objective lens

[0004] In addition, in the current high-resolution imaging system, the working distance of the microscope objective lens is usually on the order of hundreds or even tens of microns, so it is easy to cause problems such as difficult sample replacement and scratches on the microscope objective lens.

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