Optical assembly for a wide field of view point action camera with low astigmatism
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 includes multiple lens elements configured to provide a field of view in excess of 150 degrees. One or more lens elements has an aspheric surface. The optical assembly exhibits a low longitudinal astigmatism of approximately 0.3 mm or less.
Claims73
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less, wherein said longitudinal astigmatism comprises multiple orders including fifth order astigmatism.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less,
- 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 optical assembly comprises seven lens elements.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less,
- 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, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less,
- 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, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less,
- 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
- further comprising a third optical group disposed between the first and second optical groups.
An optical assembly for a point action camera having a wide field of view, comprising multiple lens elements, including an aspheric surface, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less, and
- 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, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less, and, 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, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less, and, comprising 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, configured to provide a field of view in excess of 150 degrees that comprises a longitudinal astigmatism of 0.3 mm or less, and comprising only one aspheric lens element.
Dependencies are inferred from the claim text.