Portable underwater viewer with magnifying capabilities

Details Portable underwater viewer with magnifying capabilities Portable underwater viewer with magnifying capabilities

1998-05-28

2000-02-08

Nguyen, Thong

Optical: systems and elements

Optical aperture or tube, or transparent closure

Submerged object viewer

359440, 359809, G02B 500, G02B 702

Patent

active

060233826

ABSTRACT:
An underwater viewing apparatus is provided including a housing with a hollow configuration. Also included is a lens assembly comprising a magnifying lens secured within the housing for magnifying items beneath the housing when viewed through the housing.

REFERENCES:
patent: 2404556 (1946-07-01), Wirth
patent: 2730921 (1956-01-01), Little
patent: 2795165 (1957-06-01), Vernier
patent: 2911878 (1959-11-01), Vernier
patent: 3628853 (1971-12-01), Stoscup
patent: 5491589 (1996-02-01), Haymond

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