Optical assembly for a wide field of view point action camera with a low sag aspheric lens element
AssigneeHyperion Development, LLC
InventorsRussell Hudyma, Michael Thomas
Life of this patent
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Abstract
An optical assembly for a point action camera with a wide field of view has multiple lens elements configured to provide a field of view in excess of 150 degrees. One or more lens elements has an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope.
Claims70
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, and
- wherein said aspheric surface includes a point of inflection of maximum sag at a radial distance from a center of said aspheric surface that is less than approximately 0.85× a center to edge radius of said aspheric surface.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, and
- wherein the optical assembly comprises from object end to image end a first optical group and a second optical group, wherein the first optical group is configured to collect light at said wide field of view and said second optical group is configured to correct astigmatism error, and
- wherein said second optical group is further configured to correct distortion error, and
- wherein said second optical group comprises multiple lens elements including an ultimate or penultimate lens element that is configured with an aspheric departure to correct said astigmatism error,
- wherein said ultimate lens element comprises said aspheric departure, and
- wherein said ultimate lens element comprises an object facing side and an image facing side, and wherein said object facing side comprises said aspheric departure.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, and
- wherein the optical assembly comprises from object end to image end a first optical group and a second optical group, wherein the first optical group is configured to collect light at said wide field of view and said second optical group is configured to correct astigmatism error, and
- wherein said second optical group is further configured to correct distortion error, and
- wherein said second optical group comprises multiple lens elements including an ultimate or penultimate lens element that is configured with an aspheric departure to correct said astigmatism error, and
- wherein said second optical group comprises four lens elements.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, and
- wherein the optical assembly comprises from object end to image end a first optical group and a second optical group, wherein the first optical group is configured to collect light at said wide field of view and said second optical group is configured to correct astigmatism error, and
- wherein said second optical group is further configured to correct distortion error, and
- wherein said second optical group comprises multiple lens elements including an ultimate or penultimate lens element that is configured with an aspheric departure to correct said astigmatism error, and
- wherein said second optical group comprises from object side to image side, a first singlet, a doublet and a second singlet.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, wherein the lateral chromatic aberration is less than approximately three pixels.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, wherein the lateral chromatic aberration is less than approximately five microns.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, wherein the optical assembly comprises a single aspheric lens element, which is the only aspheric lens element within the optical assembly.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, wherein the optical assembly comprises only one aspheric lens element.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, configured to provide a field of view in excess of 150 degrees, wherein the optical assembly comprises only one aspheric lens surface.
An aspheric lens element for an optical assembly of a wide field of view point action camera, comprising an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope, and
- wherein said aspheric surface includes a point of inflection of maximum sag at a radial distance from a center of said aspheric surface that is less than approximately 0.85× a center to edge radius of said aspheric surface.
Dependencies are inferred from the claim text.