hank
Flashlight Enthusiast
www.fresneltech.com is the main page.
http://www.fresneltech.com/pdf/FresnelLenses.pdf is an Acrobat file with explanations on how they are used, optical transmission of various materials, diagrams -- the last couple of pages is their
product list.
http://www.fresneltech.com/pdf/FresnelLenses.pdf is an Acrobat file with explanations on how they are used, optical transmission of various materials, diagrams -- the last couple of pages is their
product list.
