lens block
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Block Island Southeast Light — Infobox nrhp | name =Block Island South East Light nrhp type = nhl caption = location= South East Light Road, New Shoreham, Rhode Island locmapin = Rhode Island area = built =1874 architect= US Light House Board; Tynan, T.H. architecture= Gothic… … Wikipedia
Lens hood — In photography, a lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare.The geometry of the lens hood can vary from a plain conical section (much like a lamp… … Wikipedia
Lens (anatomy) — Crystalline lens (anatomy) Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens … Wikipedia
Double-Gauss lens — The double Gauss design with optical ray traces The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane. Contents 1 Design … Wikipedia
Corrective lens — A bifocal corrective eyeglass lens A pair of contact le … Wikipedia
Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… … Wikipedia
Intraocular lens — An intraocular lens (IOL) is an implanted lens in the eye, usually replacing the existing crystalline lens because it has been clouded over by a cataract, or as a form of refractive surgery to change the eye s optical power. It usually consists… … Wikipedia
Luneburg lens — Cross section of the standard Luneburg lens, with blue shading proportional to the refractive index A Luneburg lens (originally Lüneburg lens, often incorrectly spelt Luneberg lens … Wikipedia
Canon EF 1200mm lens — Infobox photographic lenses name = EF 1200mm f/5.6L USM caption = maker = Canon feat is = n feat usm = y feat sbf = feat macro = feat special = type = p application = Super Telephoto flength = 1200mm fov = aperture = f/5.6 f/32 groups = 10… … Wikipedia
Ligne de Lens à Ostricourt — Ligne Lens Ostricourt Ligne de Lens à Ostricourt via Hénin Beaumont La ligne à hauteur de Billy Montigny Pays … Wikipédia en Français
Ligne Lens - Ostricourt — Ligne de Lens à Ostricourt via Hénin Beaumont La ligne à hauteur de Billy Montigny Pays … Wikipédia en Français
