coat a lens
41Anti-reflective coating — Many coatings consist of transparent thin film structures with alternating layers of contrasting refractive index. Layer thicknesses are chosen to produce destructive interference in the beams reflected from the interfaces, and constructive… …
42stage design — Aesthetic composition of a dramatic production as created by lighting, scenery, costumes, and sound. While elements such as painted screens and wheeled platforms were used in the Greek theatre of the 4th century BC, most innovations in stage… …
43Lange Jaap — Lange Jaap …
44oculus — noun the organ of sight • Syn: ↑eye, ↑optic • Derivationally related forms: ↑optic (for: ↑optic), ↑oculist, ↑eye (for: ↑ …
45Cat — For other uses, see Cat (disambiguation) and Cats (disambiguation). Domestic cat[1] …
46District de Sierre — Pays Suisse Canton Valais Chef lieu Sierre Superficie 418,5 km² [1 …
47Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …
48Helmet — For other uses, see Helmet (disambiguation). A woman wearing a cycling helmet A helmet is a form of protective gear worn on the head to protect it from injuries. Ceremonial or symbolic helmets (e.g., English policeman s helmet) without protective …
49Telescope — A telescope is an instrument designed for the observation of remote objects and the collection of electromagnetic radiation. The first known practically functioning telescopes were invented in the Netherlands at the beginning of the 17th century …
50Marshall Point Light Station — Marshall Point Light Location Port Clyde, Maine Year first constructed 1832 Year first lit 1857 Automated 1980 Foundation Granite blocks Construction Granite and brick Tower shape …
