Using a smartphone to capture a microscopic image. Some phones have a built-in microscope lens but still cannot achieve the 400x, 800x and 1000x of a regular microscope lens. Smartphone microscopes come in two varieties. The first uses an adapter that attaches the phone to a regular microscope. The other is a stand-alone microscope lens that attaches to the smartphone itself. See smartphone
Scope and Smartphone Adapter
A smartphone adapter allows any phone to take photos from a regular microscope. The adapter in this image clips over the eyepiece and has numerous suction cups to hold the phone.