Invention Grant
- Patent Title: High Etendue zoom lens having five lens groups
-
Application No.: US15881277Application Date: 2018-01-26
-
Publication No.: US10670842B2Publication Date: 2020-06-02
- Inventor: Chad Byler
- Applicant: Navitar, Inc.
- Applicant Address: US NY Rochester
- Assignee: Navitar, Inc.
- Current Assignee: Navitar, Inc.
- Current Assignee Address: US NY Rochester
- Agency: SF Bay Area Patents, LLC
- Agent Andrew V. Smith
- Main IPC: G02B15/16
- IPC: G02B15/16 ; G02B21/02 ; G02B21/36 ; G02B13/24 ; G02B25/00 ; G02B15/14 ; G02B27/00 ; G02B15/17 ; G02B23/12 ; G02B15/15 ; G02B15/22 ; G02B27/10
Abstract:
A finite conjugate optical assembly, comprising a lens with a core zoom module that includes five optical groups that are configured to exhibit at least 1.58 mm2sr of etendue at a lowest magnification position, and a ratio of highest to lowest magnification of at least 7:1, and to provide a maximum magnification of 2× or greater.
Public/Granted literature
- US20180217365A1 High Etendue Zoom Lens Public/Granted day:2018-08-02
Information query
