Optical microscope used at the Wiki Science Competition 2017 in Thailand
The naked eye
18th-century microscopes from the Musée des Arts et Métiers, Paris
A photographic approximation of a naked eye view of the night sky from a small rural town (top) and a metropolitan area (bottom). Light pollution dramatically reduces the visibility of stars.
Carl Zeiss binocular compound microscope, 1914
The Milky Way is visible over the Very Large Telescope, demonstrating clear atmosphere above Paranal Observatory.
Electron microscope constructed by Ernst Ruska in 1933
Fluorescence microscope with the filter cube turret above the objective lenses, coupled with a camera.
Types of microscopes illustrated by the principles of their beam paths
Evolution of spatial resolution achieved with optical, transmission (TEM) and aberration-corrected electron microscopes (ACTEM).
Unstained cells viewed by typical brightfield (left) compared to phase-contrast microscopy (right).
Modern transmission electron microscope
Transmission electron micrograph of a dividing cell undergoing cytokinesis
Leaf surface viewed by a scanning electron microscope.
First atomic force microscope

A microscope is a laboratory instrument used to examine objects that are too small to be seen by the naked eye.

- Microscope

Naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying, light-collecting optical instrument, such as a telescope or microscope, or eye protection.

- Naked eye
Optical microscope used at the Wiki Science Competition 2017 in Thailand

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