focus of lens
71Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …
72Tilted plane focus — Limits to focus in imaging Focus is relative to spatial depth. Selective focus in photography is usually associated with depth of focus. A pinhole generates an image of ‘infinite’ relative focus from a point just outside the opening out to… …
73Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …
74Depth of focus — For the seismology term, see Depth of focus (tectonics). Depth of focus is a lens optics concept that measures the tolerance of placement of the image plane (the film plane in a camera) in relation to the lens. In a camera, depth of focus… …
75Canon EF 50mm lens — The EF 50mm lenses are a group of normal prime lenses made by Canon Inc. that share the same focal length.These lenses have an EF type mount, that fits the Canon EOS line of cameras.When used on a digital EOS body with a field of view… …
76Follow focus — A follow focus is a piece of equipment that attaches to the focus ring of a manual lens via a set of rods on the body of a film or video camera. It is ergonomic rather than strictly necessary; in other words it does not contribute to the basic… …
77Mirrorless interchangeable-lens camera — MILCs feature a large sensor in a small body (Olympus PEN E P2) A mirrorless interchangeable lens camera (MILC) is an emerging class of digital system cameras, intermediate between compact digital cameras and digital single lens reflex cameras… …
78Soft focus — This article is about the term used in photography and optics, for the album by the Norwegian band Euroboys, see Soft Focus. In photography, soft focus is a lens flaw, in which the lens forms images that are blurred due to spherical aberration. A …
79Perspective control lens — (a) Keeping the camera level, with an ordinary lens, captures only the bottom portion of the building. (b) Tilting the camera upwa …
80M42 lens mount — Infobox camera mount mount name = M42 caption = Auto Takumar 1:3.5 35mm type = Screw external diameter = 42mm inner diameter = 41mm tabs = none flange = 45.5 mm connectors = Auto apertureThe M42 lens mount is a screw thread mounting standard for… …
