Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The microscope in a dream indicates scrutinizing matters and uncovering their details. It is a knowledgeable, meticulous man.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Looking through a microscope indicates searching for a hidden matter. Whoever sees that he owns one will gain detailed knowledge.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The microscope is interpreted as worry. Whoever sees himself look through it is in worry and scrutiny.