A Fast-speed Wide-angle Freeform Reflective Telescope with a Distant External Pupil

David Shafer

doi:10.1364/FREEFORM.2015.FM3B.1

Imaging and Applied Optics 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper FM3B.1
•https://doi.org/10.1364/FREEFORM.2015.FM3B.1

A Fast-speed Wide-angle Freeform Reflective Telescope with a Distant External Pupil

David Shafer

Freeform Optics 2015

Arlington, Virginia United States
7–11 June 2015
ISBN: 978-1-943580-00-2

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Freeform: Imaging Design I (FM3B)

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D. Shafer, "A Fast-speed Wide-angle Freeform Reflective Telescope with a Distant External Pupil," in Imaging and Applied Optics 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper FM3B.1.

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Abstract

An unobscured freeform aspheric reflective telescope is described that is f/2.0 with a 22 degree diameter flat field and has a distant entrance pupil, one focal length in front. Theory behind the design is discussed.

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