Lens system

Abstract

The present invention relates to an optical unit comprising three lens groups, i.e., a first lens group, a second lens group and a third lens group, and an optical unit comprising four lens groups, i.e., a first lens group, a second lens group a third lens group and a fourth lens group, which are arranged in order from an object side toward an image side surface side, wherein one or more of said lens groups comprise a substrate having a curved optical surface, wherein said curved optical surface is provided with a polymer layer.

Claims

1. An optical unit comprising three lens groups, a first lens group, a second lens group and a third lens group, which are arranged in order from an object side toward an image side surface side, wherein one or more of said lens groups comprise a substrate having a curved optical surface, wherein said curved optical surface is provided with a polymer layer, wherein at least one additional fourth lens group is added in an optical unit, wherein said first lens group has positive refraction power, especially said second lens group has positive refraction power, especially said third lens group has positive refraction power and especially said fourth lens group has negative refraction power, wherein the order from an object side toward an image side surface side is: first lens group, second lens group, third lens group and fourth lens group, said fourth lens group here being a lens group comprising two lens elements, wherein said two lens elements within said lens group have different optical properties, wherein in said third lens group no glass substrate is present, wherein said first lens group, said second lens group and said third lens group each comprise a substrate having a curved optical surface, wherein said curved optical surface is provided with a polymer layer, wherein a focal length of the integral optical camera lens is f, a focal length of said first lens group is f1, a focal length of said second lens group is f2, a focal length of said third lens group is f3, a focal length of said fourth lens group is f4, which satisfy following relational expressions:
0.5<f1/f<0.98;
20<f2/f<35;
0.5<f3/f<1;
−1<f4/f<−0.1.

2. An optical unit according to claim 1, wherein said first lens group and said second lens group each comprise a curved substrate having a curved surface.

3. An optical unit according to claim 2, wherein said curved substrate is made of glass.

4. An optical unit according to claim 1, wherein said polymer layer has been manufactured according replication technology.

5. An optical unit according to claim 1, wherein the thickness of at least one of said polymer layers is in a range of 10-300 micro meter, preferably in a range of 25-200 micro meter.

6. An optical unit according to claim 1, wherein said first lens group further comprises another polymer layer, said another polymer layer positioned adjacent to said curved substrate facing away from said curved surface.

7. An optical unit according to claim 1, wherein said second lens group further comprises another polymer layer, said another polymer layer positioned adjacent to said curved substrate facing away from said curved surface.

8. An optical unit according to claim 6, wherein said another polymer layer has been manufactured according replication technology.

9. An optical unit according to claim 1, wherein said third lens group comprises two lens elements, wherein said two lens elements within said third lens group have different optical properties, wherein in said third lens group no glass substrate is present.

10. An optical unit according to claim 9, wherein each of said two lens elements within said third lens group have been manufactured according replication technology.

11. An optical unit according to claim 1, wherein said additional fourth lens group is positioned between said first lens group and said second lens group.

12. An optical unit according to claim 1, wherein said additional fourth lens group comprises a curved substrate having a curved surface, wherein said curved optical surface is provided with a polymer layer, wherein said curved substrate is preferably made of glass.

13. An optical unit according to claim 1, wherein no flat glass support is present in at least one or more of said first, second, third and additional lens groups.

14. An optical unit according to claim 1, wherein said first lens group has a positive refraction power, especially said second lens group has a positive refraction power, especially said third lens group has a negative refraction power.

15. An optical unit according to claim 1, wherein a focal length of the integral optical camera lens is f, a focal length of said first lens group is f1, a focal length of said second lens group is f2, a focal length of said third lens group is f3, which satisfy following relational expressions:
0.5<f1/f<1;
0.5<f2/f<1;
−1<f3/f<−0.1.

16. An optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said first lens group are:
1.5<n<1.8, 40<Abbe<80  (A)
1.4<n<1.8, 60<Abbe<90  (B) (C) 1.5<n<1.8, 20<Abbe<40, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

17. An optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said second lens group are:
1.5<n<1.8, 20<Abbe<40  (A)
1.4<n<1.8, 40<Abbe<80  (B) (C) 1.5<n<1.8, 40<Abbe<80, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

18. An optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said third lens group are:
1.4<n<1.7, 30<Abbe<60  (A) (C) 1.5<n<1.8, 20<Abbe<50, wherein the term “A” refers to a lens element toward an object side and the term “C” refers to a lens element towards an image surface side.

19. An optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said first lens group are:
1.5<n<1.8, 40<Abbe<80  (A)
1.4<n<1.8, 60<Abbe<90  (B) (C) 1.5<n<1.8, 20<Abbe<40, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

20. The optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said second lens group are:
1.5<n<1.8, 40<Abbe<80  (A)
1.6<n<1.85, 30<Abbe<50  (B) (C) 1.5<n<1.8, 20<Abbe<40, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

21. The optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said third lens group are:
1.5<n<1.8, 20<Abbe<40  (A)
1.4<n<1.8, 40<Abbe<80  (B) (C) 1.5<n<1.8, 40<Abbe<80, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

22. The optical unit according to claim 1, wherein the range of index (n) and Abbe properties in said fourth lens group are:
1.4<n<1.7, 30<Abbe<60  (A)
1.5<n<1.8, 20<Abbe<40  (C) wherein the term “A” refers to a lens element toward an object side and the term “C” refers to a lens element towards an image surface side.

23. The optical unit according to claim 1, wherein in one or more of said four lenses groups one or more additional layers are present, chosen from the group of integrated intermediate substrates, IR filters, UV filters, apertures and diaphragms, or combinations thereof.

24. The optical unit according to claim 1, wherein the materials of each of said polymer layer(s) are chosen from the group of UV curable polymers, preferably epoxy, acrylic and nylon type polymers.

25. A stack of a lens assembly, wherein said stack comprises an optical unit according to claim 1.

26. The stack according to claim 25, wherein said individual four lenses groups from said optical unit are stacked by using spacers and/or adhesives.

27. The stack according to claim 25, further comprising one or more of an image sensor, a sensor cover plate and a cover plate.

28. The stack according to claim 25, wherein a ratio between the Z-height and the length of the diagonal of the image sensor in a stack is lower than 1.1, and higher than 0.9.

29. The stack according to claim 25, wherein at a field of view at 45° the modulus of the OTF is higher than 0.5 and lower than 0.6, measured at a frequency of 225, for a lens system comprising four lens groups.

30. The stack according to claim 25, wherein at a field of view at 45° the modulus of the OTF is higher than 0.7, and lower than 0.8 for a frequency of 110, for a lens system comprising four lens groups.

31. An optical unit comprising three lens groups, a first lens group, a second lens group and a third lens group, which are arranged in order from an object side toward an image side surface side, wherein one or more of said lens groups comprise a substrate having a curved optical surface, wherein said curved optical surface is provided with a polymer layer, wherein at least one additional fourth lens group is added in an optical unit, wherein said first lens group has positive refraction power, especially said second lens group has positive refraction power, especially said third lens group has positive refraction power and especially said fourth lens group has negative refraction power, wherein the order from an object side toward an image side surface side is: first lens group, second lens group, third lens group and fourth lens group, said fourth lens group here being a lens group comprising two lens elements, wherein said two lens elements within said lens group have different optical properties, wherein in said third lens group no glass substrate is present, wherein said first lens group, said second lens group and said third lens group each comprise a substrate having a curved optical surface, wherein said curved optical surface is provided with a polymer layer, wherein the range of index (n) and Abbe properties in said first lens group are:
1.5<n<1.8, 40<Abbe<80  (A)
1.4<n<1.8, 60<Abbe<90  (B) (C) 1.5<n<1 20<Abbe<40, wherein the term “A” refers to a lens element toward an object side, the term “B” refers to a curved substrate and the term “C” refers to a lens element towards an image surface side.

32. An optical unit according to claim 31, wherein said first lens group and said second lens group each comprise a curved substrate having a curved surface.

33. An optical unit according to claim 32, wherein said curved substrate is made of glass.

34. An optical unit according to claim 31, wherein said polymer layer has been manufactured according replication technology.

35. An optical unit according to claim 31, wherein the thickness of at least one of said polymer layers is in a range of 10-300 micro meter, preferably in a range of 25-200 micro meter.

36. An optical unit according to claim 31, wherein said first lens group further comprises another polymer layer, said another polymer layer positioned adjacent to said curved substrate facing away from said curved surface.

37. An optical unit according to claim 36, wherein said another polymer layer has been manufactured according replication technology.

38. An optical unit according to claim 31, wherein said second lens group further comprises another polymer layer, said another polymer layer positioned adjacent to said curved substrate facing away from said curved surface.

39. An optical unit according to claim 31, wherein said third lens group comprises two lens elements, wherein said two lens elements within said third lens group have different optical properties, wherein in said third lens group no glass substrate is present.

40. An optical unit according to claim 39, wherein each of said two lens elements within said third lens group have been manufactured according replication technology.

41. An optical unit according to claim 31, wherein said additional fourth lens group is positioned between said first lens group and said second lens group.

42. An optical unit according to claim 31, wherein said additional fourth lens group comprises a curved substrate having a curved surface, wherein said curved optical surface is provided with a polymer layer, wherein said curved substrate is preferably made of glass.

43. An optical unit according to claim 31, wherein no flat glass support is present in at least one or more of said first, second, third and additional lens groups.

44. An optical unit according to claim 31, wherein said first lens group has a positive refraction power, especially said second lens group has a positive refraction power, especially said third lens group has a negative refraction power.

45. An optical unit according to claim 31, wherein a focal length of the integral optical camera lens is f, a focal length of said first lens group is f1, a focal length of said second lens group is f2, a focal length of said third lens group is f3, which satisfy following relational expressions:
0.5<f1/f<1;
0.5<f2/f<1;
−1<f3/f<−0.1.

46. An optical unit according to claim 31, wherein the range of index (n) and Abbe properties in said first lens group are:
1.5<n<1.8, 40<Abbe<80  (A)
1.4<n<1.8, 60<Abbe<90  (B) (C) 1.5<n<1.8, 20<Abbe<40, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

47. An optical unit according to claim 31, wherein the range of index (n) and Abbe properties in said second lens group are:
1.5<n<1.8, 20<Abbe<40  (A)
1.4<n<1.8, 40<Abbe<80  (B) (C) 1.5<n<1.8, 40<Abbe<80, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

48. An optical unit according to claim 31, wherein the range of index (n) and Abbe properties in said third lens group are:
1.4<n<1.7, 30<Abbe<60  (A) (C) 1.5<n<1.8, 20<Abbe<50, wherein the term “A” refers to a lens element toward an object side and the term “C” refers to a lens element towards an image surface side.

49. An optical unit according to claim 31, wherein a focal length of the integral optical camera lens is f, a focal length of said first lens group is f1, a focal length of said second lens group is f2, a focal length of said third lens group is f3, a focal length of said fourth lens group is f4, which satisfy following relational expressions:
0.5<f1/f<0.98;
20<f2/f<35;
0.5<f3/f<1;
−1<f4/f<−0.1.

50. The optical unit according to claim 31, wherein the range of index (n) and Abbe properties in said second lens group are:
1.5<n<1.8, 40<Abbe<80  (A)
1.6<n<1.85, 30<Abbe<50  (B) (C) 1.5<n<1.8, 20<Abbe<40, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

51. The optical unit according to claim 31, wherein the range of index (n) and Abbe properties in said third lens group are:
1.5<n<1.8, 20<Abbe<40  (A)
1.4<n<1.8, 40<Abbe<80  (B) (C) 1.5<n<1.8, 40<Abbe<80, wherein the term “A” refers to a lens element toward an object side, the term (B) refers to a curved substrate, and the term “C” refers to a lens element towards an image surface side.

52. The optical unit according to claim 31, wherein the range of index (n) and Abbe properties in said fourth lens group are:
1.4<n<1.7, 30<Abbe<60  (A)
1.5<n<1.8, 20<Abbe<40  (C) wherein the term “A” refers to a lens element toward an object side and the term “C” refers to a lens element towards an image surface side.

53. The optical unit according to claim 31, wherein in one or more of said four lenses groups one or more additional layers are present, chosen from the group of integrated intermediate substrates, IR filters, UV filters, apertures and diaphragms, or combinations thereof.

54. The optical unit according to claim 31, wherein the materials of each of said polymer layer(s) are chosen from the group of UV curable polymers, preferably epoxy, acrylic and nylon type polymers.

55. A stack of a lens assembly, wherein said stack comprises an optical unit according to claim 34.

56. The stack according to claim 55, wherein said individual four lenses groups from said optical unit are stacked by using spacers and/or adhesives.

57. The stack according to claim 55, further comprising one or more of an image sensor, a sensor cover plate and a cover plate.

58. The stack according to claim 55, wherein a ratio between the Z-height and the length of the diagonal of the image sensor in a stack is lower than 1.1, and higher than 0.9.

59. The stack according to claim 55, wherein at a field of view at 45° the modulus of the OTF is higher than 0.5 and lower than 0.6, measured at a frequency of 225, for a lens system comprising four lens groups.

60. The stack according to claim 55, wherein at a field of view at 45° the modulus of the OTF is higher than 0.7, and lower than 0.8 for a frequency of 110, for a lens system comprising four lens groups.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 shows an embodiment of a lens system comprising four lens groups according to the present invention.

(2) FIG. 2 shows a ray tracing model for the present lens system shown in FIG. 1.

(3) FIG. 3 shows the MTF vs. frequency of the lens system according to FIG. 1.

(4) FIG. 4 shows an embodiment of a lens system comprising three lenses groups according to the present invention.

(5) FIG. 5 shows the MTF vs. frequency of the lens system according to FIG. 4.

(6) FIG. 6 shows the optical table for an embodiment (a lens system comprising three lens groups according to the invention).

(7) FIG. 7 shows the optical table for an embodiment (a lens system comprising four lens groups according to the invention).

(8) The present inventors found that the optical performance of the present optical unit is to a large extent determined by the combinations of the different lens groups (see FIG. 1 and FIG. 4).

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

(9) FIG. 1 shows an embodiment of a lens system 1 comprising four lens groups 100, 200, 300 and 400 according to the present invention. The lens groups are arranged in order from an object side toward an image side surface side. The first lens group 100 (identified as Lens1) comprises material A in layer 101, material B in lens body 102 and material C in layer 103. The second lens group 200 (identified as Lens2) comprises material A in layer 201, material B in lens body 202 and material C in layer 203. The third lens group 300 (identified as Lens3) comprises material A in layer 301, material B in lens body 302 and material C in layer 303. The fourth lens group 400 (identified as Lens4) comprises material A in layer 401, material B in layer 402. Lens system 1 further comprises a cover glass 500 and an image sensor 600.

(10) In an embodiment of the present invention lens body 102, lens body 202 and lens body 302 comprise a curved substrate having a curved surface. The curved surface is preferably made of glass. Layer 101, 201 and 301 are polymer layers. Layer 103, 203 and 303 are preferably polymer layers. The afore mentioned polymer layers may have any combination of (different) material types as indicated in the range of material properties in the sub claims. Diaphragm is preferably between surfaces 102 and 103, between surfaces 202 and 203 but in other embodiments other positions, such as one or more of 301 and 302, 401 and 402, and between cover glass 500 and the image sensor 600, are also possible. In the present lens system 1 one or more integrated intermediate substrates, IR filters, UV filters, apertures and diaphragms, or combinations thereof have not been shown. The optical properties within one lens group may not be the same, this means that for example the optical properties for lens element 101 differ from the one used for lens element 103. The same applies for lens element 201 and lens element 203, and for lens element 301 and lens element 303.

(11) Preferred embodiments of the present invention have been formulated in the dependent claims.

(12) FIG. 2 shows a ray tracing model for the present lens system shown in both FIG. 1. FIG. 3 shows the MTF vs. frequency of the lens system according to FIG. 1. FIG. 3 shows two situations, i.e., a frequency of 110 cyc/mm (the upper curves) and a frequency of 225 cyc/mm (the lower curves). Such a lens system comprising four lens groups is characterized by high nominal performance, high performance after tolerances. According to the present invention the value of the Field (horizontal axis) at 45° is preferably higher than 0.5, especially in a range of 0.5 and 0.6 for a frequency of 225. According to the present invention at a value of the field of view (horizontal axis) at 45° the modulus of the OTF preferably higher than 0.7, especially in a range of 0.7 and 0.8 for a frequency of 110. These values are different from the values disclosed in the above discussed US 2013/265459. In US 2013/265459 at a value of the field of view at 45° the modulus of the OTF is much lower than 0.46, namely between 0.3 and 0.45 for a frequency of 225. And at the value of the field of view at 45° the modulus of the OTF is lower than 0.7 for a frequency of 110.

(13) FIG. 4 shows an embodiment of a lens system 2 comprising three lenses groups 1000, 2000 and 3000 according to the present invention. The lens groups are arranged in order from an object side toward an image side surface side. The first lens group 1000 (identified as Lens1) comprises material A in layer 1001, material B in lens body 1002 and material C in layer 1003. The second lens group 2000 (identified as Lens2) comprises material A in layer 2001, material B in lens body 2002 and material C in layer 2003. The third lens group 3000 (identified as Lens3) comprises material A in layer 3001 and material B in layer 3002. Lens system 2 further comprises a cover glass 5000 and an image sensor 6000.

(14) In an embodiment of the present invention lens body 1002 and lens body 2002 comprise a curved substrate having a curved surface. The curved surface is preferably made of glass. Layer 1001 and 2001 are polymer layers. Layer 1003 and 2003 are preferably polymer layers. The afore mentioned polymer layers may have any combination of (different) material types as indicated in the range of material properties in the sub claims. Diaphragm is preferably between surfaces 1002 and 1003, between surfaces 2002 and 2003 but in other embodiments other positions, such as one or more of 3001 and 3002 and between cover glass 5000 and the image sensor 6000, are also possible. In the present lens system 2 one or more integrated intermediate substrates, IR filters, UV filters, apertures and diaphragms, or combinations thereof have not been shown. The optical properties within one lens group may not be the same, this means that for example the optical properties for lens element 1001 differ from the one used for lens element 1003. The same applies for lens element 2001 and lens element 2003, and for lens element 3001 and lens element 3002.

(15) FIG. 5 shows the MTF vs. frequency of the lens system comprising three lenses groups according to FIG. 4. Such a lens system comprising three lenses groups is characterized by high nominal performance, high performance after tolerances. The upper curve refers to 4 lens groups MTF, the lower curve to 3 lens groups MTF.

(16) FIG. 6 shows the optical table for a lens system comprising three lens groups according to the invention.

(17) FIG. 7 shows the optical table for a lens system comprising four lens groups according to the invention. The numbering from the Zemax table shown in FIGS. 6 and 7 and that of the labels applied in the present Figures do not match.

(18) The present lenses are groups of contiguous lens elements cemented together by replication technology, for example manufactured according to WO 2009/048320 A1. The contents of WO 2009/048320 are considered to be incorporated here in its entirety.

(19) The thickness of the polymer layer is designed for maximum 300 microns thickness. This is sufficient to achieve the desired lens shape without affecting the thermal stability of the optical performance. Thermal instability is caused by the high CTE of the optical polymers (>30 ppm/K) compared to glass surfaces (<10 ppm/K). In addition, the present optical unit comprising four lens groups shows high manufacturing tolerances and a good MTF.

(20) Surface Data Detail (A Lens System Comprising Four Lens Groups According to the Invention):

(21) Surface OBJ STANDARD Surface 1 EVENASPH Lens1 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0.02073967 Coefficient on r{circumflex over ( )}6: 0.021569812 Coefficient on r{circumflex over ( )}8: −0.035164538 Coefficient on r{circumflex over ( )}10: 0.031644054 Coefficient on r{circumflex over ( )}12: −0.016450493 Coefficient on r{circumflex over ( )}14: 0.0025477208 Coefficient on r{circumflex over ( )}16: 0.0003843807 Surface 2 EVENASPH Lens1 B Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0 Coefficient on r{circumflex over ( )}6: 0 Coefficient on r{circumflex over ( )}8: 0 Coefficient on r{circumflex over ( )}10: 0 Coefficient on r{circumflex over ( )}12: 0 Coefficient on r{circumflex over ( )}14: 0 Coefficient on r{circumflex over ( )}16: 0 Aperture: Floating Aperture Maximum Radius 1.41 Surface 3 STANDARD Lens1 C Aperture: Floating Aperture Maximum Radius: 1.41 Surface 4 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.025238296 Coefficient on r{circumflex over ( )}6: −0.030514088 Coefficient on r{circumflex over ( )}8: 0.14784406 Coefficient on r{circumflex over ( )}10: −0.24904109 Coefficient on r{circumflex over ( )}12: 0.219848 Coefficient on r{circumflex over ( )}14: −0.099177548 Coefficient on r{circumflex over ( )}16: 0.018792558 Surface 5 EVENASPH Lens2 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.030413879 Coefficient on r{circumflex over ( )}6: 0.016053059 Coefficient on r{circumflex over ( )}8: 0.065094267 Coefficient on r{circumflex over ( )}10: −0.025951214 Coefficient on r{circumflex over ( )}12: −0.069239021 Coefficient on r{circumflex over ( )}14: 0.096809183 Coefficient on r{circumflex over ( )}16: −0.030885419 Aperture: Floating Aperture Maximum Radius: 1 Surface 6 EVENASPH Lens2 B Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0 Coefficient on r{circumflex over ( )}6: 0 Coefficient on r{circumflex over ( )}8: 0 Coefficient on r{circumflex over ( )}10: 0 Coefficient on r{circumflex over ( )}12: 0 Coefficient on r{circumflex over ( )}14: 0 Coefficient on r{circumflex over ( )}16: 0 Aperture: Floating Aperture Maximum Radius: 1 Surface 7 STO STANDARD Aperture Surface 8 STANDARD Lens2 C Aperture: Floating Aperture Maximum Radius: 1 Surface 9 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.0091227423 Coefficient on r{circumflex over ( )}6: 0.038416261 Coefficient on r{circumflex over ( )}8: −0.014524684 Coefficient on r{circumflex over ( )}10: −0.023154004 Coefficient on r{circumflex over ( )}12: −0.050784195 Coefficient on r{circumflex over ( )}14: 0.22416434 Coefficient on r{circumflex over ( )}16: −0.17725224 Surface 10 EVENASPH Lens3 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.052083887 Coefficient on r{circumflex over ( )}6: 0.0374764 Coefficient on r{circumflex over ( )}8: −0.12055997 Coefficient on r{circumflex over ( )}10: 0.11334096 Coefficient on r{circumflex over ( )}12: 0.0080938945 Coefficient on r{circumflex over ( )}14: −0.10021303 Coefficient on r{circumflex over ( )}16: 0.0451033 Surface 11 STANDARD Lens3 B Aperture: Floating Aperture Maximum Radius: 1.72 Surface 12 EVENASPH Lens3 C Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0 Coefficient on r{circumflex over ( )}6: 0 Coefficient on r{circumflex over ( )}8: 0 Coefficient on r{circumflex over ( )}10: 0 Coefficient on r{circumflex over ( )}12: 0 Coefficient on r{circumflex over ( )}14: 0 Coefficient on r{circumflex over ( )}16: 0 Aperture: Floating Aperture Maximum Radius: 1.72 Surface 13 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0.015145707 Coefficient on r{circumflex over ( )}6: −0.0069013393 Coefficient on r{circumflex over ( )}8: 0.00074194888 Coefficient on r{circumflex over ( )}10: 2.9320512e-005 Coefficient on r{circumflex over ( )}12: 0.00042062296 Coefficient on r{circumflex over ( )}14: −0.00016262301 Coefficient on r{circumflex over ( )}16: 1.8277182e-005 Aperture: Floating Aperture Maximum Radius: 1.72 Surface 14 EVENASPH Lens4 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.054648888 Coefficient on r{circumflex over ( )}6: 0.021022479 Coefficient on r{circumflex over ( )}8: −0.002700377 Coefficient on r{circumflex over ( )}10: −2.8070393e-005 Coefficient on r{circumflex over ( )}12: 4.5940096e-005 Coefficient on r{circumflex over ( )}14: 1.2439457e-006 Coefficient on r{circumflex over ( )}16: −8.8421409e-007 Surface 15 STANDARD Lens4 B Aperture: Floating Aperture Maximum Radius: 2.5 Surface 16 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.077671238 Coefficient on r{circumflex over ( )}6: 0.01975526 Coefficient on r{circumflex over ( )}8: −0.0027659834 Coefficient on r{circumflex over ( )}10: −7.6235332e-005 Coefficient on r{circumflex over ( )}12: 5.3783853e-005 Coefficient on r{circumflex over ( )}14: −3.4670944e-006 Coefficient on r{circumflex over ( )}16: 2.9394733e-009 Aperture: Floating Aperture Maximum Radius: 2.5 Surface 17 STANDARD Cover glass Surface 18 STANDARD Surface 19 IMA STANDARD
Surface Data Detail (A Lens System Comprising Three Lens Groups According to the Invention): SURFACE DATA DETAIL: Surface OBJ STANDARD Surface 1 EVENASPH Lens1 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0.0019065606 Coefficient on r{circumflex over ( )}6: −0.0099878808 Coefficient on r{circumflex over ( )}8: 0.17155845 Coefficient on r{circumflex over ( )}10: −0.43148215 Coefficient on r{circumflex over ( )}12: 0.52083743 Coefficient on r{circumflex over ( )}14: −0.30329861 Coefficient on r{circumflex over ( )}16: 0.070506695 Aperture: Floating Aperture Maximum Radius: 1.19 Surface 2 STANDARD Lens1 B Aperture: Floating Aperture Maximum Radius 1.19 Surface 3 STO STANDARD Lens1 C Aperture: Floating Aperture Maximum Radius: 1.19 Surface 4 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: 0.026074464 Coefficient on r{circumflex over ( )}6: 0.045511582 Coefficient on r{circumflex over ( )}8: 0.10123878 Coefficient on r{circumflex over ( )}10: −0.88076679 Coefficient on r{circumflex over ( )}12: 2.2654847 Coefficient on r{circumflex over ( )}14: −2.4831452 Coefficient on r{circumflex over ( )}16: 1.0333396 Surface 5 EVENASPH Lens2 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.094943263 Coefficient on r{circumflex over ( )}6: 0.12297449 Coefficient on r{circumflex over ( )}8: −0.32813015 Coefficient on r{circumflex over ( )}10: 0.28975634 Coefficient on r{circumflex over ( )}12: −0.040717456 Coefficient on r{circumflex over ( )}14: −0.1277611 Coefficient on r{circumflex over ( )}16: 0.038841237 Surface 6 STANDARD Lens2 B Aperture: Floating Aperture Maximum Radius: 1.62 Surface 7 STANDARD Lens2 C Aperture: Floating Aperture Maximum Radius: 1.62 Surface 8 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.054421138 Coefficient on r{circumflex over ( )}6: 0.02029859 Coefficient on r{circumflex over ( )}8: −0.020070593 Coefficient on r{circumflex over ( )}10: 0.010395231 Coefficient on r{circumflex over ( )}12: −0.0036402038 Coefficient on r{circumflex over ( )}14: 0.00066787049 Coefficient on r{circumflex over ( )}16: −7.1782481e-005 Aperture: Floating Aperture Maximum Radius: 1.62 Surface 9 EVENASPH Lens3 A Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.2356588 Coefficient on r{circumflex over ( )}6: 0.10837249 Coefficient on r{circumflex over ( )}8: −0.035475831 Coefficient on r{circumflex over ( )}10: 0.00070673088 Coefficient on r{circumflex over ( )}12: 0.0065407411 Coefficient on r{circumflex over ( )}14: −0.0033118596 Coefficient on r{circumflex over ( )}16: 0.000517159 Surface 10 STANDARD Lens3 B Aperture: Floating Aperture Maximum Radius: 2.43 Surface 11 EVENASPH Coefficient on r{circumflex over ( )}2: 0 Coefficient on r{circumflex over ( )}4: −0.058030208 Coefficient on r{circumflex over ( )}6: 0.021138202 Coefficient on r{circumflex over ( )}8: −0.0075325933 Coefficient on r{circumflex over ( )}10: 0.0020277744 Coefficient on r{circumflex over ( )}12: −0.00036898821 Coefficient on r{circumflex over ( )}14: 3.5897533e-005 Coefficient on r{circumflex over ( )}16: −1.312025e-006 Aperture: Floating Aperture Maximum Radius: 2.43 Surface 12 STANDARD Cover glass Surface 13 STANDARD Surface 14 IMA STANDARD Sensor