aperture mirror
61eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
62Speckle imaging — (also known as video astronomy ) describes a range of high resolution astronomical imaging techniques based either on the shift and add ( image stacking ) method or on speckle interferometry methods. These techniques can dramatically increase the …
63Vertical-cavity surface-emitting laser — The vertical cavity surface emitting laser (VCSEL; [v ɪxl] ) is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge emitting semiconductor lasers (also in plane lasers)… …
64Panasonic Lumix DMC-GH1 — Panasonic DMC GH1K Type Micro Four Thirds System Sensor 17.3 × 13 mm Live MOS (in 4:3 aspect ratio) Maximum …
65Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …
66Minolta AF 500mm Reflex lens — Minolta 500mm f/8 Reflex Key features Maker: Minolta, Sony Ultrasonic motor:  No Macro capable …
67History of astronomical interferometry — See also: astronomical interferometerWilliam Herschel knew as early as 1779 (Herschel 1805) that stars appeared much larger in telescopes than they really were but he did not know why. When Thomas Young demonstrated interference and the wave… …
68Olympus OM system — The Olympus OM System was a line of 35mm single lens reflex cameras, lenses and accessories sold by Olympus between 1972 and 2002 (some accessories were sold through early 2003). The system was introduced by Olympus in 1972, more than a decade… …
69Arecibo Observatory — Arecibo Radio Telescope Organization SRI International, NSF, Cornell University Location …
70Minolta — Fate Merged Successor Konica Minolta Founded 1928 Osaka, Japan Defunct August 5, 2003 …
