Dual-lens mounting for a spherical camera
Dual-lens assemblies and cameras including dual lens-assemblies that include a first lens barrel securing a first lens having a first optical axis and a second lens barrel securing a second lens having a second optical axis are disclosed. In one dual-lens assembly, the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset, axial lengths of the first lens barrel and the second lens barrel are approximately equal, and the first lens and the second lens are oriented in opposite directions at opposing ends of the first lens barrel and the second lens barrel.
1. A camera, comprising:
a camera body;
a first lens disposed on a first side of the camera body and having a first optical axis; and
a second lens disposed on a second side of the camera body and having a second optical axis;
wherein the first lens and the second lens are oriented in opposite directions;
wherein the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset;
wherein the lateral offset measures between 10 mm and 25 mm; and
wherein image circles of the first lens and the second lens are off-center relative to photosites of image sensors capturing hyper-hemispherical image planes from light entering the first lens and the second lens, respectively.
2. The camera of claim 1 , wherein a distance between the image circles defines the lateral offset.
3. The camera of claim 1 , wherein the second side of the camera body is spaced from the first side of the camera body by a longitudinal offset measuring between 25 mm and 35 mm.
4. The camera of claim 1 , wherein the second side of the camera body is approximately parallel to the first side of the camera body.
5. The camera of claim 1 , further comprising:
a first lens barrel securing the first lens and a second lens barrel securing the second lens within the camera body.
6. The camera of claim 5 , wherein axial lengths of the first lens barrel and the second lens barrel are approximately equal.
7. The camera of claim 5 , wherein diameters of the first lens barrel and the second lens barrel are approximately equal.
8. The camera of claim 5 , wherein central axes of the first lens barrel and the second lens barrel are approximately parallel to and spaced from each other by the lateral offset.
9. The camera of claim 8 , wherein the first lens and the second lens extend approximately perpendicular to the central axes of the first lens barrel and the second lens barrel, respectively.
10. The camera of claim 5 , wherein a distance between an outer cylindrical surface of the first lens barrel and an outer cylindrical surface of the second lens barrel is smaller than diameters of the first lens barrel and the second lens barrel.
11. The camera according to claim 1 , further comprising the image sensors.
12. A dual-lens assembly, comprising:
a first lens having a first optical axis and a first image circle off-center relative to a first photosite of a first image sensor capturing a hyper-hemispherical image plane from light entering the first lens; and
a second lens having a second optical axis and a second image circle off-center relative to a second photosite of a second image sensor capturing a hyper-hemispherical image plane from light entering the second lens;
wherein the first lens and the second lens are oriented in opposite directions;
wherein the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset defined by a distance between the first and second image circles; and
wherein the lateral offset measures between 10 mm and 25 mm.
13. The assembly of claim 12 , wherein the first lens is spaced from the second lens by a longitudinal offset measuring between 25 mm and 35 mm.
14. The assembly of claim 12 , further comprising:
a first lens barrel having a hollow cylindrical shape, wherein the first lens is secured to the first lens barrel; and
a second lens barrel having a hollow cylindrical shape, wherein the second lens is secured to the second lens barrel.
15. The assembly of claim 14 , further comprising:
a first base portion extending in an outward radial direction from a bottom of the first lens barrel and joined with a midsection of the second lens barrel; and
a second base portion extending in an outward radial direction from a bottom of the second lens barrel and joined with a midsection of the first lens barrel.
16. A dual-lens assembly, comprising:
a first lens barrel securing a first lens having a first optical axis; and
a second lens barrel securing a second lens having a second optical axis;
wherein the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset, wherein axial lengths of the first lens barrel and the second lens barrel are approximately equal;
wherein the first lens and the second lens are oriented in opposite directions at opposing ends of the first lens barrel and the second lens barrel;
wherein the lateral offset measures between 10 mm and 25 mm; and
wherein image circles of the first lens and the second lens are off-center relative to photosites of image sensors capturing hyper-hemispherical image planes from light entering the first lens and the second lens.
17. The assembly of claim 16 , wherein image circles of the first lens and the second lens are off-center relative to axial centers of the first lens barrel and the second lens barrel, respectively, and wherein a distance between the image circles defines the lateral offset.
18. The assembly of claim 16 , wherein the first lens at one end of the first lens barrel is spaced from the second lens at an opposing end of the second lens barrel by a longitudinal offset measuring between 25 mm and 35 mm.
19. A camera, comprising:
a camera body;
a first lens disposed on a first side of the camera body and having a first optical axis; and
a second lens disposed on a second side of the camera body and having a second optical axis;
wherein the first lens and the second lens are oriented in opposite directions;
wherein the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset;
wherein image circles of the first lens and the second lens are off-center relative to photosites of image sensors capturing hyper-hemispherical image planes from light entering the first lens and the second lens, respectively; and
wherein the second side of the camera body is spaced from the first side of the camera body by a longitudinal offset measuring between 25 mm and 35 mm.
20. The camera of claim 19 , wherein the lateral offset measures between 10 mm and 25 mm.
21. The camera of claim 19 , wherein a distance between the image circles defines the lateral offset.
22. The camera of claim 19 , wherein the second side of the camera body is approximately parallel to the first side of the camera body.
23. The camera of claim 19 , further comprising:
a first lens barrel securing the first lens and a second lens barrel securing the second lens within the camera body.
24. The camera of claim 23 , wherein axial lengths of the first lens barrel and the second lens barrel are approximately equal.
25. The camera of claim 23 , wherein diameters of the first lens barrel and the second lens barrel are approximately equal.
26. The camera of claim 23 , wherein central axes of the first lens barrel and the second lens barrel are approximately parallel to and spaced from each other by the lateral offset.
27. The camera of claim 26 , wherein the first lens and the second lens extend approximately perpendicular to the central axes of the first lens barrel and the second lens barrel, respectively.
28. The camera of claim 23 , wherein a distance between an outer cylindrical surface of the first lens barrel and an outer cylindrical surface of the second lens barrel is smaller than diameters of the first lens barrel and the second lens barrel.
29. The camera of claim 19 , further comprising the image sensors.
30. A dual-lens assembly, comprising:
a first lens having a first optical axis and a first image circle off-center relative to a first photosite of a first image sensor capturing a hyper-hemispherical image plane from light entering the first lens; and
a second lens having a second optical axis and a second image circle off-center relative to a second photosite of a second image sensor capturing a hyper-hemispherical image plane from light entering the second lens;
wherein the first lens and the second lens are oriented in opposite directions;
wherein the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset defined by a distance between the first and second image circles; and
wherein the first lens is spaced from the second lens by a longitudinal offset measuring between 25 mm and 35 mm.
31. The dual-lens assembly according to claim 30 , wherein the lateral offset measures between 10 mm and 25 mm.
32. A dual-lens assembly, comprising:
a first lens barrel securing a first lens having a first optical axis; and
a second lens barrel securing a second lens having a second optical axis;
wherein the first optical axis is approximately parallel to and spaced from the second optical axis by a lateral offset,
wherein axial lengths of the first lens barrel and the second lens barrel are approximately equal;
wherein the first lens and the second lens are oriented in opposite directions at opposing ends of the first lens barrel and the second lens barrel;
wherein image circles of the first lens and the second lens are off-center relative to photosites of image sensors capturing hyper-hemispherical image planes from light entering the first lens and the second lens; and
wherein the first lens at one end of the first lens barrel is spaced from the second lens at an opposing end of the second lens barrel by a longitudinal offset measuring between 25 mm and 35 mm.
33. The dual-lens assembly according to claim 32 , wherein the lateral offset measures between 10 mm and 25 mm.