Holder and/or barrel used for wide field microscopes and in fluorescent microscopic applications comprises holder elements fixing optical elements and made from aluminum and/or other metallic materials having an anti-reflecting coating

摘要

Holder (1) and/or barrel comprises holder elements fixing optical elements and made from aluminum and/or other metallic materials having an anti-reflecting coating (7). The elements of the holder or barrel not made from aluminum have a coating made from nickel having a phosphorus content of 3-7% with a degree of reflection of less than or equal to 0.4%. Preferred Features: The elements of the holder or barrel are made from brass having a nickel layer with embedded nickel phosphite (Ni-P). The coating has a rough structured surface.