Comparison microscope
![In a comparison microscope, two identical microscopes are connected to a single comparison eyepiece. The viewer sees the images from both microscopes next to one another, as in the inset image.](/Images/godic/202501/05/ComparisonMicroscope1930.png")
![Goddard with Comparison Microscope](/Images/godic/202501/05/Goddardcomparison-wiki1930.jpg")
A comparison microscope is a device used to analyze side-by-side specimens. It consists of two microscopes connected by an optical bridge, which results in a split view window enabling two separate objects to be viewed simultaneously. This avoids the observer having to rely on memory when comparing two objects under a conventional microscope.