Ads
related to: wiley x brick replacement lensesebay.com has been visited by 1M+ users in the past month
Search results
Results From The WOW.Com Content Network
Ballistic eyewear. Ballistic eyewear is a form of glasses or goggles that protect from small projectiles and fragments. For the U.S. military, choices are listed on the Authorized Protective Eyewear List (APEL). [1] Ballistic eyewear including examples that meet APEL requirements are commercially available for anyone who wishes to buy it.
In 1990, the company began producing protective eyewear and sunglasses for civilian needs, e.g. in motorsport, cycling, fishing, hunting, and industrial manufacturing. [5] [6] In November 2007, Protective Optics, Inc. changed its name to Wiley X, Inc. [7] The company moved the headquarters in 2010 to a building in Livermore, California where it ...
A Luneburg lens (original German Lüneburg lens) is a spherically symmetric gradient-index lens. A typical Luneburg lens's refractive index n decreases radially from the center to the outer surface. They can be made for use with electromagnetic radiation from visible light to radio waves . For certain index profiles, the lens will form perfect ...
Walter Mandler. Walter Mandler (10 May 1922 – 21 April 2005) was a lens designer of Ernst Leitz Canada ( Leica Camera) in Midland, Ontario. Mandler is credited with the design of more than 45 Leica lenses for the Leica rangefinder cameras and Leica SLR cameras .
A Fresnel lens ( / ˈfreɪnɛl, - nəl / FRAY-nel, -nəl; / ˈfrɛnɛl, - əl / FREN-el, -əl; or / freɪˈnɛl / fray-NEL [1]) is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections.
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!
Ads
related to: wiley x brick replacement lensesebay.com has been visited by 1M+ users in the past month