Lens bearer and lensometer incorporating the same

Details Lens bearer and lensometer incorporating the same Lens bearer and lensometer incorporating the same

1996-10-28

1998-01-13

Pham, Hoa Q.

Optics: measuring and testing

Lens or reflective image former testing

For optical transfer function

356244, G01B 900

Patent

active

057085013

ABSTRACT:
The invention provides a lens bearer for bearing thereon a lens to be checked for an optical performance thereof. The lens bearer has a lens bearer body for bearing the lens thereon, and a covering member for being removably fitted on a lens-bearing portion of the lens bearer body, for placing the lens thereon. The covering member is made of a material which is softer than the lens bearer body. This makes it possible to replace the covering member alone when the lens bearer is used many times, thereby preventing deformation of a portion of the lens bearer which is brought into contact with lenses, and protecting the surface of the lens from being damaged.

REFERENCES:
patent: 2042565 (1936-06-01), Tillyer
patent: 2604697 (1952-07-01), Aulin
patent: 3494700 (1970-02-01), Wilms
patent: 3858982 (1975-01-01), Meckler
patent: 4232966 (1980-11-01), Schpak et al.
patent: 4549081 (1985-10-01), Ace
patent: 5173739 (1992-12-01), Kurachi et al.
patent: 5280336 (1994-01-01), Fantone

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