Ads
related to: prism glasses london
Search results
Results from the WOW.Com Content Network
Prism and Base Prism refers to a displacement of the image through the lens, often used to treat strabismus and other binocular vision disorders. The prism value is measured in prism diopters , and Base refers to the direction of displacement.
8×42 roof prism binoculars with rainguard and opened tethered lens caps. Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects.
The huge, modular, iron, wood and glass, structure was originally erected in Hyde Park in London to house the Great Exhibition of 1851, which showcased the products of many countries throughout the world.
Louvre Pyramid. / 48.861000°N 2.335861°E / 48.861000; 2.335861. The Louvre Pyramid ( French: Pyramide du Louvre) is a large glass-and-metal structure designed by the Chinese-American architect I. M. Pei. The pyramid is in the main courtyard ( Cour Napoléon) of the Louvre Palace in Paris, surrounded by three smaller pyramids.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
BAK-4 barium crown glass (glass code 569560) has a higher index of refraction than BK7, and is used for prisms in high-end binoculars. In that application, it gives better image quality and a round exit pupil.