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The Large Binocular Telescope at the Mount Graham International Observatory in Arizona uses two curved mirrors to gather light. An optical telescope is a telescope that gathers and focuses light mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct visual inspection, to make a photograph, or to collect data through electronic image sensors.
Each instrument contains an array of up to 24 camera units, each consisting of a 6.1 cm (2.4 in) telescope (85 mm Rokinon DSLR lens) paired to a thermoelectrically cooled astronomical CCD. The camera units are arranged around a solid fiberglass structure to form a continuous field of view of 9216 sq. deg. [ 1 ]
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A diagram of the electromagnetic spectrum with the Earth's atmospheric transmittance (or opacity) and the types of telescopes used to image parts of the spectrum.. Visible-light astronomy encompasses a wide variety of astronomical observation via telescopes that are sensitive in the range of visible light (optical telescopes).
The Dutch Open Telescope (DOT) is an optical solar telescope located on Roque de los Muchachos Observatory, La Palma (near the Swedish 1-m Solar Telescope). With a main mirror of 45 centimeters, it can reach an 0.2 arcsec resolution for sustained periods. For further optimization of the images, the DOT uses the image despeckle mechanism.
2005 – First light at SALT, the largest optical telescope in the Southern Hemisphere, with a hexagonal primary mirror of 11.1 by 9.8 meters. 2007 – First light at Gran Telescopio de Canarias (GTC), in Spain, the largest optical telescope in the world with an effective diameter of 10.4 meters.
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Diagram highlighting ISIM. Integrated Science Instrument Module (ISIM) is a component of the James Webb Space Telescope, a large international infrared space telescope launched on 25 December 2021. [1] ISIM is the heart of the JWST, and holds the main science payload which includes four science instruments and the fine guidance sensor. [1]