A smartphone-based petrographic microscope,Microscopy Research and Technique

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A smartphone-based petrographic microscope
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2021-01-13 , DOI: 10.1002/jemt.23697
Roberta Di Febo _{1,

2} , Lluís Casas ₃ , Andrea Antonini ₄

Affiliation

Photomicrographs of thin sections provide a swift and efficient means of sharing information for consultation, education, documentation and publication within the Geosciences and related areas. In general terms, the main way to capture digital microscopic images involves the use of a mounted camera unit on a high-end costly benchtop microscope. However, freehand methods to capture microscope-scale images using a smartphone, as well as smartphone adapters that can be attached to a microscope have emerged during recent years. This paper presents the design features of a costless system able to obtain photomicrographs without requiring a conventional microscope. The imaging device is comprised of a mini-objective lens attached to a smartphone and a structure that allows it to focus as well as to rotate the stage and to insert/remove a polarized sheet. The quality and magnification of the images attainable from the new design is comparable to the images normally obtained by a conventional petrographic microscope using a ×4 objective and a ×10 ocular (total magnification ×40).

中文翻译：

基于智能手机的岩相显微镜

薄片显微照片为地球科学和相关领域内的咨询、教育、文献和出版提供了一种快速有效的信息共享方式。一般而言，捕获数字显微图像的主要方法是在昂贵的高端台式显微镜上使用安装的相机单元。然而，近年来出现了使用智能手机捕捉显微镜级图像的手绘方法，以及可以连接到显微镜的智能手机适配器。本文介绍了无需传统显微镜即可获得显微照片的低成本系统的设计特点。成像设备由一个连接到智能手机的微型物镜和一个结构组成，该结构允许它聚焦、旋转载物台以及插入/移除偏光片。

更新日期：2021-01-13

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