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)
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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