Fiber Optic Annular Rings provide 360 degree illumination at a range of focal lengths. A rugged housing contains and protects the Borosilicate fiber. 

36" Standard Length

Ring Top I.D                    2.600"  (66mm)
Ring Bottom I.D              2.52"   (64mm)
Input End                        0.625"  (15.86mm)
Fiber Type                      Borosilicate Fiber
Bundle Diameter            0.372" (9.45mm)
Core Angle                     20
Focal Length                 1.27" (2.54")
Standard Sheathing      Stainless Steel Interlock