the lens is iris-equipped

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• Iris recognition — Infobox Anatomy Name = Iris Latin = Caption = The iris is the green/grey/brown area. The other structures visible are the pupil in the centre and the white sclera surrounding the iris. The overlying cornea is pictured, but not visible, as it is… …   Wikipedia

• History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …   Wikipedia

• lens board — noun : a removable panel support for a camera lens usually equipped with iris diaphragm and shutter mounted in the lens barrel …   Useful english dictionary

• Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward …   Wikipedia

• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

• photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

• Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… …   Wikipedia

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• Cataract surgery — Intervention Cataract in Human Eye Magnified view seen on examination with a slit lamp ICD 9 CM …   Wikipedia

• Dalek variants — …   Wikipedia

• Document camera — Document cameras, also known as image presenters, visual presenters, digital visualizers, ( visualisers in the United Kingdom) digital overheads, and docucams, are real time image capture devices for displaying an object to a large audience. Like …   Wikipedia