Patent Number: 6,612,693

Title: Panoramic reverse Galilean telescope optics for an underwater diving mask

Abstract: A dive mask having a configuration of reverse Galilean telescopes. The reverse Galilean telescopes are tilted relative to each other. This configuration achieves panoramic true-sized vision underwater, instead of vision that exhibits the magnification effects experienced with flat dive masks.

Inventors: Kranhouse; Jon (Pacific Palisades, CA), Rogers; John R. (Monrovia, CA)

Assignee:

International Classification: B63C 11/12 (20060101); B63C 11/02 (20060101); G02B 23/18 (20060101); G02C 7/02 (20060101); G02B 23/16 (20060101); G02C 7/08 (20060101); G02C 001/00 ()

Expiration Date: 09/02/2020