camera lucida

American  

[loo-si-duh] / ˈlu sɪ də /

noun

1. an optical instrument, often attached to the eyepiece of a microscope, by which the image of an external object is projected on a sheet of paper or the like for tracing.

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camera lucida British  

/ ˈluːsɪdə /

noun

1. an instrument attached to a microscope, etc to enable an observer to view simultaneously the image and a drawing surface to facilitate the sketching of the image

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Etymology

Origin of camera lucida

1660–70; < New Latin: bright chamber; see camera ¹, lucid

Example Sentences

Certain that Ingres had used something optical to achieve that quality, Hockney bought himself a camera lucida, a small device that works like a prism.

From Los Angeles Times • Jun. 12, 2026

Certain that Ingres had used something optical to achieve that quality, Hockney bought himself a camera lucida, a small device that works like a prism.

From Los Angeles Times • Jun. 12, 2026

The visual trick may have been created by the artist’s use of a common optical viewing aid called a camera lucida.

From Los Angeles Times • Mar. 4, 2025

Precisely ground, the mirrors were able to start fires and project images onto flat surfaces, camera lucida fashion.

From "1491" by Charles C. Mann

The entire panorama from the latter point, taken with the camera lucida, along with copies of some daguerreotypes made at the same place, are herewith submitted.

From A Compilation of the Messages and Papers of the Presidents Volume 4, part 2: John Tyler by Richardson, James D. (James Daniel)