Tags Posts tagged with "ALG-Z nanometer-level ultrahigh-precision aspherical lens grinder"

Tag: ALG-Z nanometer-level ultrahigh-precision aspherical lens grinder

Canon Celebrates 50th Anniversary of First Aspherical Lens Element for SLR...

Melville, NY—This year is the 50th anniversary of the release of the Canon FD55mm f/1.2 AL. It was Canon’s first interchangeable SLR lens for...