Optical fitting (4)
I believe the answer is:
lens
(Other definitions for lens that I've seen before include "Part of photographer's equipment" , "Through which to view" , "Focusing glass" , "One could project a picture" , "French town" .)
I believe the answer is:
lens
(Other definitions for lens that I've seen before include "Part of photographer's equipment" , "Through which to view" , "Focusing glass" , "One could project a picture" , "French town" .)