PLASTIC COVER LENSES FOR GOGGLES

Brand Owner Address Description
WILLSON SPATTERPROOF WILLSON PRODUCTS, INC. NO. 201 WASHINGTON STREET READING PA PLASTIC COVER LENSES FOR GOGGLES AND HELMETS;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. Provided is a projection lens, including: a plurality of moving lens units that move on an optical axis for zooming; and a plurality of plastic lenses containing plastic, in which when a focal distance of an i-th positive lens from a predetermined plane side of N positive lenses of the plurality of plastic lenses is given by fpi, a focal distance of a j-th negative lens from the predetermined plane side of M negative lenses of the plurality of plastic lenses is given by fnj, and fp and fn are defined by