Fresnel Lenses Suppliers in Pennsylvania

Fresnel lenses resemble a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and not spherical. (more)
Showing Suppliers 1 - 2 of 2
Jeannette Specialty Glass
Address:  215 North Fourth Street, Jeannette, PA
Business Type:  Manufacturer, Service
Kopp Glass, Inc.
Address:  2108 Palmer Street, Pittsburgh, PA
Business Type:  Manufacturer
   

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