front focal plane
51Press camera — A press camera is a medium or large format camera suitable for use by press photographers.Press cameras were widely used from the 1900s through the early 1960s and commonly had the following features: * collapsible into strong, compact boxes *… …
52Charity Island Light — Historic deteriorated Charity Island Light (before the rebuilding) Location Big Charity Island, Michigan Coordinates …
53Contaflex SLR — Contaflex Type 35mm SLR camera Lens mount bayonet Focus manual Exposure manual …
54Telephoto lens — Portal|Photography|Large format camera lens.jpg created by a telephoto lens is the same as that created by an ordinary lens of the same specified focal length. Construction If a camera lens were to be constructed from a single lens of 200 mm… …
55Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …
56Catadioptric system — A 150 mm aperture catadioptric telescope (Maksutov) A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric… …
57Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …
58Schmidt-Väisälä camera — The Schmidt Väisälä camera is an astronomical telescopeIntended for wide field (5 to 10 degrees of arc) photographic work. It was designed by Yrjö Väisälä.Invention and designProf. Yrjö Väisälä originally designed an astronomical camera similar… …
59Leica Camera — Coordinates: 50°32′35″N 008°23′25″E / 50.54306°N 8.39028°E / 50.54306; 8.39028 …
60Cheboygan Crib Light — The light in 2001 Location Cheboygan, Michigan Coordinates …
