A stereoscope is a device with the help of which two photos of a similar item taken at marginally various angles are seen together. It works on the principle of Stereoscopy.

Stereoscopy is a three-dimensional discernment acquired with the guide of the stereoscope equipment. This technique is used for making and upgrading the illusion of depth in a photo or image.

The two types of stereoscope used are listed below.

• Mirror stereoscope
• Pocket stereoscope