back-focal distance

  • 41Panasonic Lumix DMC-GH1 — Panasonic DMC GH1K Type Micro Four Thirds System Sensor 17.3 × 13 mm Live MOS (in 4:3 aspect ratio) Maximum …

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  • 42Olympus PEN E-P3 — Type Micro Four Thirds, interchangeable lens camera …

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  • 43Ritchey-Chrétien telescope — The Ritchey Chrétien telescope or RCT is a specialized Cassegrain telescope designed to eliminate coma, thus providing a relatively large field of view as compared to a more conventional configuration. An RCT has a hyperbolic primary and a… …

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  • 44Laminitis — is a disease of the digital laminae of the hoof (foot of an ungulate). It is most well known in horses and cattle.PathologyThe digital laminae are responsible for suspension of the axial skeleton of the animal within the hoof and dissipate… …

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  • 45Parabolic reflector — Parallel waves coming in to a parabolic mirror are focused at a point F A parabolic reflector (or dish or mirror) is a reflective device used to collect or project energy such as light, sound, or radio waves. Its shape is that of a circular… …

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  • 46List of film topics — This is a list of film related topics. National cinemas | glossary | Lists... | genres/plots | personnel | details | success | recognition | links | geography | other | see also National and regional cinemas: *African Cinema *Cinema of Albania… …

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  • 47Nikon FM3A — Type Single lens reflex Film format 35 mm Film size 36 mm × 24 mm Lens interchangeable lens, Niko …

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  • 48APS-C — Le Nikon D70, exemple d appareil reflex numérique au format APS C Le sigle APS C (Advanced Photo System type C) désigne un format de capteur photographique de taille approximativement égale à celle des négatifs APS classiques . Ces négatifs… …

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  • 49Adaptive optics — (AO) is a technology used to improve the performance of optical systems by reducing the effects of rapidly changing optical distortion. It is used in astronomical telescopes and laser communication systems to remove the effects of atmospheric… …

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  • 50Reciprocal lattice — In physics, the reciprocal lattice of a lattice (usually a Bravais lattice) is the lattice in which the Fourier transform of the spatial function of the original lattice (or direct lattice) is represented. This space is also known as momentum… …

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