Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Working principle. The light from the source is transmitted through the sample, passes through the objective lens and is reflected on the mirror 1 horizontally and then on the mirror 2 vertically. It then passes through the eye lens and reaches the Smartphone’s camera sensor where the image is displayed.
