Filter light source module used for optical image capturing device and optical image capturing device

Abstract

The invention provides a filter light source module used for an optical image capturing device and the optical image capturing device. The filter light source module is installed at the light inlet position of the optical image capturing device and comprises a hollow sleeve, a light-emitting unit, a filter and an unthreaded combining and connecting unit. The hollow sleeve comprises a front end portion, a rear end portion, an inner surface and an outer surface, wherein the light-emitting unit is arranged on the inner surface of the hollow sleeve, the filter is arranged between a light inlet and the light-emitting unit of the hollow sleeve and can be quickly assembled and disassembled by using of the unthreaded combining and connecting unit, and therefore convenience in use is improved.

Description

【Technical Field】 [0001] The present invention relates to a light source module, in particular to a light source module with filters. 【Background technique】 [0002] Macro imaging is mainly used to capture images of small things that cannot be observed by ordinary camera lenses or magnifiers. In the early years, it was mainly used in ecological observation and scientific research of animals and plants. Recently, it is mostly used in cosmetic medicine, industrial inspection, criminal identification or anti-counterfeiting. , Such as: metal welding wire quality inspection, fingerprint identification, banknote anti-counterfeiting identification, and even detection of fluorescent proteins in body fluids to find blood or body fluids. [0003] Among them, non-destructive testing is an indispensable testing method in industrial testing or criminal identification. Non-destructive testing includes fluorescence detection and phosphorescence detection. Fluorescence detection can also be used ...

AI Technical Summary

Problems solved by technology

On the contrary, once you want to obtain comparison data and change the photo light source to natural light, you must remove the ultraviolet filter. However, as mentioned above, when the object to be photographed is only a few centimeters away from the lens, you must reach out within a few centimeters. Unscrewing the filter is inconvenient on the one hand, and on the other hand, it is easier to change the shooting conditions due to the removal of the filter. When the shooting distance is only a few centimeters, a slight change in the distance may distort the comparison photos

[0006] Furthermore, if an image capture device such as a microscope is used, if the photographing and supplementary light are separated into two completely independent mechanisms, during the photographing operation, no matter the angle of the supplementary light or the change of the light source and photographing conditions, Quite inconvenient; and because of its high sensitivity, even a slight touch may cause the original focus position to completely deviate, not to mention the violent action of rotating the filter to remove it

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