Lens mounting

Details Lens mounting Lens mounting

G - Physics

02

B

G02B 7/04 (2006.01)

Patent

CA 2204328

An arrangement (10) for mounting a lens for axial movement comprises a housing (12) defining an axially extending bearing surface (14) and a lens carriage (16) including least three circumferentially spaced bearings (20, 21, 22) in contact with the bearing surface (14) and permitting axial movement of the carriage (16) relative to the housing (12). One of the bearings (20) is biassed towards the bearing surface (14). In use, the arrangement (10) maintains a three-point contact between the lens carriage (16) and the bearing surface (14) despite geometrical variations in the surface.

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