A free program for Android, by TechProduction.

The Magnifier Zoom Microscope Camera app is an Android app that allows you to magnify and zoom in on faraway objects and also provides you with a preview of what you will be seeing. This is achieved by using the built-in camera of your device, which is used for taking pictures and videos. It is a tool that can be used to look at objects and texts from a greater distance, which is useful for those who need to see more details and make more observations.

The app is capable of magnifying objects which is a lot more than the standard zoom of the camera. You can also use the app as a magnifier, monocular, binocular, or telescope.