SCHMIDT CAMERA Meaning and
Definition
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The Schmidt Camera is an astronomical instrument and a type of reflecting telescope that was invented by Bernhard Schmidt in 1930. It consists of a spherical primary mirror and a correcting plate known as Schmidt corrector lens, which is placed at the front of the telescope. This correcting plate is embedded with a thin meniscus lens that is convex on one side and concave on the other. Its purpose is to correct the spherical aberration distortion that typically occurs in spherical mirrors, resulting in a clearer and higher-resolution image.
Unlike traditional telescopes, the Schmidt Camera has a relatively wide field of view, making it well-suited for surveys and astrophotography. The incoming light from celestial objects is reflected onto the primary mirror, then passes through the correcting plate, and ultimately forms an image at the focal plane, which is usually located near the side or back of the instrument. To capture images, a camera or photographic plate is used at this focal plane.
Due to its unique design, the Schmidt Camera offers several advantages, including minimized aberrations, low weight and cost, and ease of operation. These features have made it a popular instrument for a variety of astronomical applications, such as mapping the sky, studying deep space objects, and identifying comets, asteroids, and variable stars. Furthermore, its wide field of view has made it especially valuable in the search for astronomical transient phenomena, like supernovae or novae.
Overall, the Schmidt Camera is a versatile telescope renowned for its wide-field imaging capabilities and has significantly contributed to the advancements in astronomy and astrophotography.
Common Misspellings for SCHMIDT CAMERA
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Etymology of SCHMIDT CAMERA
The word "Schmidt Camera" is named after Bernhard Schmidt, a German optician and inventor who developed the camera design in 1930. The etymology is thus derived from the inventor's last name, "Schmidt", and the word "camera", which refers to the photographic apparatus used for capturing images.
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