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About 300 Celestron Schmidt cameras were produced. The Schmidt system was popular, used in reverse, for television projection systems, notably the Advent design by Henry Kloss . [ 18 ] Large Schmidt projectors were used in theaters, but systems as small as 8 inches were made for home use and other small venues.
Celestron, LLC is a company that manufactures telescopes and distributes telescopes, binoculars, spotting scopes, microscopes, and accessories manufactured by its parent company, the Synta Technology Corporation of Taiwan.
Drizzle (or DRIZZLE) is a digital image processing method for the linear reconstruction of undersampled images. The method is normally used for the combination of astronomical images and was originally developed for the Hubble Deep Field observations made by the Hubble Space Telescope.
This is a modern amateur Newtonian astrograph, specifically designed for astrophotography. An astrograph (or astrographic camera) is a telescope designed for the sole purpose of astrophotography. Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects such as asteroids, meteors, and comets.
A telecentric lens is a special optical lens (often an objective lens or a camera lens) that has its entrance or exit pupil, or both, at infinity. The size of images produced by a telecentric lens is insensitive to either the distance between an object being imaged and the lens, or the distance between the image plane and the lens, or both, and ...
Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky. The first photograph of an astronomical object (the Moon ) was taken in 1839, [ 1 ] but it was not until the late 19th century that advances in technology allowed for detailed stellar photography.
Light path in a Cassegrain reflecting telescope. The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas, the main characteristic being that the optical path folds back onto itself, relative to the optical system's primary mirror entrance aperture.
During his career at the AAO, Malin made about 150 three-colour images of deep sky objects, mostly using plates taken with the 4-metre (160 in) Anglo-Australian Telescope and the 1.2-metre (47 in) UK Schmidt Telescope. The true-colour images are assembled from three separate monochromatic photographs taken through red, green and blue filters.
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