CN110927927A - High-pixel panoramic lens system - Google Patents
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- CN110927927A CN110927927A CN201911267104.8A CN201911267104A CN110927927A CN 110927927 A CN110927927 A CN 110927927A CN 201911267104 A CN201911267104 A CN 201911267104A CN 110927927 A CN110927927 A CN 110927927A
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- 239000000463 material Substances 0.000 claims description 24
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- 239000006185 dispersion Substances 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 description 2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
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Abstract
The invention is suitable for the relevant technical field of lens, has provided a high pixel panoramic lens system, the said high pixel panoramic lens system includes: the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the eighth lens, the ninth lens, the tenth lens and the eleventh lens are sequentially arranged along an optical axis towards an image plane. According to the invention, through adopting the optical design of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the eighth lens, the ninth lens, the tenth lens and the eleventh lens, the lens has a simple structure, a larger main field angle, high imaging height and strong practicability.
Description
Technical Field
The invention belongs to the technical field of lens correlation, and particularly relates to a high-pixel panoramic lens system.
Background
With the high-speed increase of modern network transmission speed, the capacity of data storage is larger and larger, the applications of high-definition monitoring systems, high-definition conference video systems, high-definition medical systems and the like are more and more, and the requirements on lens pixels are higher and higher.
At present, the mainstream camera lens generally consists of four lenses, and the requirements of the current society on high pixel and high imaging quality of the lens are difficult to meet.
In a monitoring system or a conference video system or a medical system, since a field of view (FOV) of a general optical lens is about 60 ° to 150 °, it is difficult to monitor at some dead angles.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a high-pixel panoramic lens system, which aims to solve the problem that a common optical lens is difficult to monitor in some dead angles due to a field of view (FOV) of about 60 ° to 150 °.
The embodiment of the present invention is implemented as follows, and provides a high-pixel panoramic lens system, including: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, an eighth lens, a ninth lens, a tenth lens and an eleventh lens which are arranged in sequence along an optical axis towards an image plane,
the first lens is a concave-convex negative lens, and the opening direction of the concave-convex negative lens faces the image plane;
the second lens is a double-concave negative lens;
the third lens is a convex-concave negative lens, and the opening direction of the third lens faces the object plane;
the fourth lens is a biconvex positive lens;
the fifth lens is a convex-concave positive lens, and the opening direction of the fifth lens faces the image plane;
the sixth lens is a convex-concave positive lens, and the opening direction of the sixth lens faces the image plane;
the eighth lens is a concave-convex negative lens, and the opening direction of the concave-convex negative lens faces the object plane;
the ninth lens is a convex-concave positive lens, and the opening direction of the ninth lens faces the object plane;
the tenth lens is a convex-concave positive lens, and the opening direction of the tenth lens faces the image plane;
the eleventh lens is a convex-concave positive lens, and the opening direction of the eleventh lens faces the image plane;
and a seventh single diaphragm unit is arranged between the sixth lens and the eighth lens.
According to the high-pixel panoramic lens system provided by the embodiment of the invention, by adopting the optical design of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the eighth lens, the ninth lens, the tenth lens and the eleventh lens, the lens has a simple structure, a larger main field angle, high imaging and strong practicability.
Drawings
Fig. 1 is an exploded view of a high-pixel panoramic lens system according to an embodiment of the present invention;
fig. 2 is a front view of a first lens of a high pixel panoramic lens system according to an embodiment of the present invention;
FIG. 3 is a front view of a second lens of a high pixel panoramic lens system according to an embodiment of the present invention;
FIG. 4 is a front view of a third lens of a high pixel panoramic lens system according to an embodiment of the present invention;
FIG. 5 is a front view of a fourth lens of a high pixel panoramic lens system according to an embodiment of the present invention;
fig. 6 is a front view of a fifth lens element of a high pixel panoramic lens system according to an embodiment of the present invention;
fig. 7 is a front view of a sixth lens element in a high pixel panoramic lens system according to an embodiment of the present invention;
fig. 8 is a front view of an eighth lens element in a high pixel panoramic lens system according to an embodiment of the present invention;
fig. 9 is a front view of a ninth lens element in a high pixel panoramic lens system according to an embodiment of the present invention;
fig. 10 is a front view of a tenth lens of a high pixel panoramic lens system according to an embodiment of the present invention;
fig. 11 is a front view of an eleventh lens element of a high pixel panoramic lens system according to an embodiment of the present invention;
in the drawings: 1-first lens, 2-second lens, 3-third lens, 4-fourth lens, 5-fifth lens, 6-sixth lens, 7-seventh single diaphragm unit, 8-eighth lens, 9-ninth lens, 10-tenth lens, 11-eleventh lens;
IMA-image plane, d 1-first lens core thickness, d 2-air space between the first lens and the second lens, d 3-second lens core thickness, d 4-air space between the second lens and the third lens, d 5-third lens core thickness, d 6-air space between the third lens and the fourth lens, d 7-fourth lens core thickness, d 8-fourth air space between the fourth lens and the fifth lens, d 9-fifth lens core thickness, d 10-fifth lens and air space between the sixth lens, d 11-sixth lens core thickness, d 12-sixth lens and air space between the seventh single diaphragm unit, d 13-seventh single diaphragm unit and air space between the eighth lens core, d 14-eighth lens thickness, d 15-ninth lens core thickness, d 16-ninth lens and tenth lens, d 17-tenth lens core thickness, d 18-air space between the tenth lens and the eleventh lens, d 19-thickness of the eleventh lens core, d 20-air space between the eleventh lens and the image surface;
r11 is the radius of curvature of the first face of the first lens;
r12 is the radius of curvature of the second face of the first lens;
r21 is the radius of curvature of the first face of the second lens;
r22 is the radius of curvature of the second face of the second lens;
r31 is the radius of curvature of the first face of the third lens;
r32 is the radius of curvature of the second face of the third lens;
r41 is the radius of curvature of the first face of the fourth lens;
r42 is the radius of curvature of the second face of the fourth lens;
r51 is the radius of curvature of the first face of the fifth lens;
r52 is the radius of curvature of the second face of the fifth lens;
r61 is the radius of curvature of the first face of the sixth lens;
r62 is the radius of curvature of the second face of the sixth lens;
r71 is the radius of curvature of the first face of the eighth lens;
r72 is the radius of curvature of the second face of the eighth lens;
r81 is the radius of curvature of the first face of the ninth lens;
r82 is the radius of curvature of the second face of the ninth lens;
r91 is the radius of curvature of the first face of the tenth lens;
r92 is the radius of curvature of the second face of the tenth lens;
r101 is the radius of curvature of the first face of the eleventh lens;
r102 is the radius of curvature of the second face of the eleventh lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a high-pixel panoramic lens system according to an embodiment of the present invention includes: the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5, the sixth lens 6, the eighth lens 8, the ninth lens 9, the tenth lens 10 and the eleventh lens 11 are arranged in sequence along an optical axis towards an image plane;
the first lens 1 is a concave-convex negative lens, and the opening direction faces to an image surface;
the second lens 2 is a double-concave negative lens;
the third lens 3 is a concave-convex negative lens, and the opening direction faces the object plane;
the fourth lens 4 is a biconvex positive lens;
the fifth lens 5 is a convex-concave positive lens, and the opening direction faces the image plane;
the sixth lens 6 is a convex-concave positive lens, and the opening direction faces the image plane;
the eighth lens 8 is a concave-convex negative lens, and the opening direction faces the object plane;
the ninth lens 9 is a convex-concave positive lens, and the opening direction faces the object plane;
the tenth lens 10 is a convex-concave positive lens, and the opening direction faces the image plane;
the eleventh lens 11 is a convex-concave positive lens, and the opening direction faces the image plane;
a seventh single diaphragm unit 7 is mounted between the sixth lens 6 and the eighth lens 8.
In the embodiment of the present invention, the first lens 1, the second lens 2, the third lens 3 and the ninth lens 9 are negative spherical lenses; the fourth lens 4, the fifth lens 5, the sixth lens 6, the eighth lens 8, the tenth lens 10 and the eleventh lens 11 are all single-vision spherical lenses.
In the embodiment of the invention, by adopting the optical design of the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5, the sixth lens 6, the eighth lens 8, the ninth lens 9, the tenth lens 10 and the eleventh lens 11, the lens has a simple structure, a large main angle of view, high imaging height and strong practicability.
As an embodiment of the present invention, the high-pixel panoramic lens system satisfies the following conditions:
（1）180°<FOV≤190°；
（2）2.5<F.NO<3.0mm；
（3）3.6<EFL<4.0mm；
（4）35<TTL<45mm；
wherein, FOV is the field angle of the lens, F.NO is the relative aperture of the lens, EFL is the effective focal length of the lens, and TTL is the total optical length of the lens.
In the embodiment of the invention, the total optical length is the length from the vertex of the first lens 1 to the imaging surface.
As a preferred embodiment of the present invention, the high-pixel panoramic lens system satisfies the following conditions:
（1）FOV=190°；
（2）F.NO=2.8mm；
（3）EFL=3.8mm；
（4）TTL=40mm；
wherein, FOV is the field angle of the lens, F.NO is the relative aperture of the lens, EFL is the effective focal length of the lens, and TTL is the total optical length of the lens.
As an embodiment of the present invention, each lens of the high-pixel panoramic lens system satisfies the following conditions:
f/f1=-0.232 f1=-16.43 mm；
f/f2=-0.308 f2=-12.37mm；
f/f3=-0.107 f3=-35.49mm；
f/f4=0.242 f4=15.73mm；
f/f5=0.014 f5=268.18mm；
f/f6=0.178 f6=21.42mm；
f/f7=0.903 f7=4.22mm；
f/f8=-0.749 f8=-5.09mm；
f/f9=0.069 f9=54.96mm；
f/f10=0.143 f10=26.66mm；
wherein f is an effective focal length of the lens, f1 is a focal length of the first lens 1, f2 is a focal length of the second lens 2, f3 is a focal length of the third lens 3, f4 is a focal length of the fourth lens 4, f5 is a focal length of the fifth lens 5, f6 is a focal length of the sixth lens 6, f7 is a focal length of the eighth lens 8, f8 is a focal length of the ninth lens 9, f9 is a focal length of the tenth lens 10, and f10 is a focal length of the eleventh lens 11.
As an embodiment of the present invention, the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5, the sixth lens 6, the seventh single diaphragm unit 7, the eighth lens 8, the ninth lens 9, the tenth lens 10, and the eleventh lens 11 are made of glass material.
As an embodiment of the present invention, the glass material of each lens in the high pixel panoramic lens system satisfies the following condition:
the first lens 1 material satisfies: 1.75< Nd <1.9, 35< Vd < 45;
the second lens 2 material satisfies: 1.45< Nd <1.55, 65< Vd < 75;
the third lens 3 material satisfies: 1.70< Nd <1.85, 45< Vd < 55;
the fifth lens 5 material satisfies: 1.75< Nd <1.85, 45< Vd < 55;
the sixth lens 6 material satisfies: 1.85< Nd <1.95, 16< Vd < 22;
the seventh single diaphragm unit 7 material satisfies: 1.7< Nd <1.85, 45< Vd < 55;
the eighth lens 8 material satisfies: 1.65< Nd <1.75, 45< Vd < 55;
the ninth lens 9 material satisfies: 1.8< Nd <1.9, 20< Vd < 30;
the tenth lens 10 material satisfies: 1.45< Nd <1.60, 60< Vd < 70;
the eleventh lens 11 material satisfies: 1.45< Nd <1.60, 60< Vd < 70;
wherein: vd is the dispersion coefficient of each lens; nd is the refractive index of each lens.
As an embodiment of the present invention, the eighth lens and the ninth lens constitute a bonded lens.
Referring to fig. 1 and 2, in the first lens 1, R11 and R12 are curvature radii of two side surfaces of the first lens 1, respectively, an abbe number (Vd) of the first lens 1 is 37.2, a refractive index (Nd) of the first lens 1 is 1.83, and a curvature radius R11 of the first lens 1 away from the image plane IMA is: 18< R11<28mm, with a radius of curvature R12 towards the image plane: 5< R12<12mm, wherein the core thickness d1 of the first lens 1 is: 0.8< d1<2 mm.
In the embodiment of the present invention, preferably, the radius of curvature R11 of the first lens 1 away from the image plane IMA is 22.01mm, and the radius of curvature R12 thereof toward the image plane is: 8.22mm and the core thickness d1 of the first lens 1 is 1.27 mm.
As an embodiment of the invention, referring to fig. 1 and 3, in the second lens 2, R21 and R22 are curvature radii of two side surfaces of the second lens 2, respectively, an abbe number (Vd) of the second lens 2 is 70.4, and a refractive index (Nd) is 1.49; the curvature radius R21 of the second lens 2 far away from the image plane IMA is as follows: -150< R21< -80mm with a radius of curvature R22 towards the image plane IMA of: 5< R22<7mm, the second lens 2 has a core thickness d3 of 0.6< d3<1 mm.
In this embodiment, preferably, a curvature radius R21 of the second lens 2 away from the image plane IMA is: 111.25mm with a radius of curvature R22 towards the image plane IMA of: 6.39mm, a core thickness d3 of the second lens 2 of 0.8mm, and a distance d2 between the second lens 2 and the adjacent surface at the center of the first lens 1 of 6.81 mm.
Referring to fig. 1 and 4, in the third lens element 3, R31 and R32 are curvature radii of two side surfaces of the third lens element 3, respectively, an abbe number (Vd) of the third lens element 3 is 49.6, and a refractive index (Nd) of the third lens element 3 is 1.77; the curvature radius R31 of the third lens 3 far away from the image plane IMA is as follows: -17< R31< -10mm with a radius of curvature R32 towards the image plane IMA of: -30< R32< -20mm, the core thickness d5 of the third lens 3 being 3< d5<4 mm.
In the embodiment of the invention, the radius of curvature R31 of the third lens 3 far away from the image plane IMA is-12.27 mm, the radius of curvature R32 thereof towards the image plane IMA is-25 mm, the core thickness d5 of the third lens 3 is 3.53mm, and the distance d4 between the third lens 3 and the adjacent surface at the center of the second lens 2 is 4.2 mm.
Referring to fig. 1 and 5, in the fourth lens element 4, R41 and R42 are curvature radii of two side surfaces of the fourth lens element 4, respectively, an abbe number (Vd) of the fourth lens element 4 is 47.5, and a refractive index (Nd) of the fourth lens element 4 is 1.79; the curvature radius R41 of the fourth lens 4 far away from the image plane IMA is 45< R41<55mm, the curvature radius R22 of the fourth lens towards the image plane IMA is-20 < R42< -10mm, and the core thickness d7 of the fourth lens 4 is 2< d7<3.5 mm.
In the embodiment of the invention, the radius of curvature R41 of the fourth lens 4 far away from the image plane IMA is 52.87mm, the radius of curvature R42 thereof towards the image plane IMA is-15.81 mm, the core thickness d7 of the fourth lens 4 is 2.81mm, and the distance d6 between the fourth lens 4 and the adjacent surface at the center of the third lens 3 is 0.14 mm.
Referring to fig. 1 and 6, in the fifth lens element 5, R51 and R52 are curvature radii of two side surfaces of the fifth lens element 5, respectively, an abbe number (Vd) of the fifth lens element 5 is 18.9, and a refractive index (Nd) of the fifth lens element 5 is 1.92; the curvature radius R51 of the fifth lens 5 far away from the image plane IMA is 9< R51<10mm, the curvature radius R52 thereof towards the image plane IMA is 9< R52<10mm, and the core thickness d9 of the fifth lens 5 is 1< d9<2 mm.
In the embodiment of the invention, the curvature radius R51 of the fifth lens 5 far away from the image plane IMA is 9.89mm, the curvature radius R52 thereof towards the image plane IMA is 9.52mm, the core thickness d9 of the fifth lens 5 is 1.56mm, and the distance d8 between the fifth lens 5 and the adjacent surface at the center of the fourth lens 4 is 0.1 mm.
Referring to fig. 1 and 7, in the sixth lens element 6, R61 and R62 are curvature radii of two side surfaces of the sixth lens element 6, respectively, an abbe number (Vd) of the sixth lens element 6 is 49.6, and a refractive index (Nd) of the sixth lens element 6 is 1.77; the curvature radius R61 of the sixth lens 6 far from the image plane IMA is 6.5< R61<7.5mm, the curvature radius R62 thereof towards the image plane IMA is 9< R62<10mm, and the core thickness d11 of the sixth lens 6 is 3< d11<4 mm.
In the present embodiment, the radius of curvature R61 of the sixth lens 6 away from the image plane IMA is 6.91mm, the radius of curvature R62 thereof toward the image plane IMA is 9.7mm, the core thickness d11 of the sixth lens 6 is 2.92mm, and the distance d10 between the adjacent surfaces of the sixth lens 6 and the fifth lens 5 at the center is 0.11 mm.
Referring to fig. 1 and 8, in the eighth lens 8, R71 and R72 are curvature radii of two side surfaces of the eighth lens 8, respectively, an abbe number (Vd) of the eighth lens 8 is 53.9, and a refractive index (Nd) of the eighth lens 8 is 1.71; the curvature radius R71 of the eighth lens 8 far away from the image plane IMA is-2000 < R71< -500mm, the curvature radius R72 of the eighth lens 8 towards the image plane IMA is-4 < R72< -2mm, and the core thickness d14 of the eighth lens 8 is 3< d14<4 mm.
In the embodiment of the invention, the radius of curvature R71 of the eighth lens 8 away from the image plane IMA is-1663.6 mm, the radius of curvature R72 thereof towards the image plane IMA is-3.01 mm, the core thickness d14 of the eighth lens 8 is 3.45mm, a seventh single diaphragm unit 7 is arranged between the eighth lens 8 and the fifth lens 5, the distance d12 between the center of the sixth lens 6 and the seventh single diaphragm unit 7 is 1.14mm, and the distance d13 between the center of the eighth lens 8 and the seventh single diaphragm unit 7 is 0.6 mm.
Referring to fig. 1 and 9, in the ninth lens 9, R81 and R82 are curvature radii of two side surfaces of the ninth lens 9, respectively, an abbe number (Vd) of the ninth lens 9 is 23.8, and a refractive index (Nd) of the ninth lens 9 is 1.85; the curvature radius R81 of the ninth lens 9 far away from the image plane IMA is-4 < R81< -2mm, the curvature radius R82 of the ninth lens facing the image plane IMA is-15 < R82< -10mm, and the core thickness d15 of the ninth lens 9 is 0.8< d16<1.5 mm.
In the embodiment of the invention, the curvature radius R81 of the ninth lens 9 far away from the image plane IMA is-3.01 mm, the curvature radius R82 thereof towards the image plane IMA is-11.43 mm, the core thickness d15 of the ninth lens 9 is 0.97mm, and the ninth lens 9 and the eighth lens 8 are bonded.
Referring to fig. 1 and 10, in the tenth lens 10, R91 and R92 are curvature radii of two side surfaces of the tenth lens 10, respectively, an abbe number (Vd) of the tenth lens 10 is 64.2, and a refractive index (Nd) of the tenth lens 10 is 1.52; the curvature radius R91 of the tenth lens 10 far from the image plane IMA is 10< R91<17mm, the curvature radius R92 thereof towards the image plane IMA is 25< R92<35mm, and the core thickness d17 of the tenth lens 10 is 1.0< d17<2 mm.
In the present embodiment, the curvature radius R91 of the tenth lens 10 away from the image plane IMA is 14.36mm, the curvature radius R92 thereof toward the image plane IMA is 28.01mm, the core thickness d17 of the tenth lens 10 is 1.47mm, and the distance d16 between the tenth lens 10 and the adjacent surface at the center of the ninth lens 9 is 1.3 mm.
Referring to fig. 1 and 11, in the eleventh lens 11, R101 and R102 are curvature radii of two side surfaces of the eleventh lens 11, respectively, an abbe number (Vd) of the eleventh lens 11 is 64.2, and a refractive index (Nd) of the eleventh lens 11 is 1.52; the curvature radius R101 of the eleventh lens 11 far away from the image plane IMA is 8< R101<13mm, the curvature radius R92 of the eleventh lens towards the image plane IMA is R102 of 50< R102<80mm, and the core thickness d19 of the eleventh lens 11 is 1.0< d19<2 mm.
In the embodiment of the invention, the curvature radius R101 of the eleventh lens 11 away from the image plane IMA is 11.69mm, the curvature radius R102 thereof towards the image plane IMA is 71.82mm, the core thickness d19 of the eleventh lens 11 is 2.36mm, and the distance d18 between the eleventh lens 11 and the adjacent surface at the center of the ninth lens 9 is 0.14 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A high pixel panoramic lens system, the high pixel panoramic lens system comprising: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, an eighth lens, a ninth lens, a tenth lens and an eleventh lens which are arranged in sequence along an optical axis towards an image plane,
the first lens is a concave-convex negative lens, and the opening direction of the concave-convex negative lens faces the image plane;
the second lens is a double-concave negative lens;
the third lens is a convex-concave negative lens, and the opening direction of the third lens faces the object plane;
the fourth lens is a biconvex positive lens;
the fifth lens is a convex-concave positive lens, and the opening direction of the fifth lens faces the image plane;
the sixth lens is a convex-concave positive lens, and the opening direction of the sixth lens faces the image plane;
the eighth lens is a concave-convex negative lens, and the opening direction of the concave-convex negative lens faces the object plane;
the ninth lens is a convex-concave positive lens, and the opening direction of the ninth lens faces the object plane;
the tenth lens is a convex-concave positive lens, and the opening direction of the tenth lens faces the image plane;
the eleventh lens is a convex-concave positive lens, and the opening direction of the eleventh lens faces the image plane;
and a seventh single diaphragm unit is arranged between the sixth lens and the eighth lens.
2. The high-pixel panoramic lens system of claim 1, wherein the high-pixel panoramic lens system satisfies the following condition:
180°<FOV<200°；
2.5<F.NO<3.0mm；
3.6<EFL<4.0mm；
35<TTL<45mm；
wherein, FOV is the field angle of the lens, F.NO is the relative aperture of the lens, EFL is the effective focal length of the lens, and TTL is the total optical length of the lens.
3. The high pixel panoramic lens system of claim 1, wherein each lens of the high pixel panoramic lens system satisfies the following condition:
f/f1=-0.232；
f/f2=-0.308；
f/f3=-0.107；
f/f4=0.242；
f/f5=0.014；
f/f6=0.178；
f/f7=0.903；
f/f8=-0.749；
f/f9=0.069；
f/f10=0.143；
wherein f is an effective focal length of the lens, f1 is a focal length of the first lens, f2 is a focal length of the second lens, f3 is a focal length of the third lens, f4 is a focal length of the fourth lens, f5 is a focal length of the fifth lens, f6 is a focal length of the sixth lens, f7 is a focal length of the eighth lens, f8 is a focal length of the ninth lens, f9 is a focal length of the tenth lens, and f10 is a focal length of the eleventh lens.
4. The high pixel panoramic lens system of claim 1, wherein the first, second, third, fourth, fifth, sixth, seventh single diaphragm unit, eighth, ninth, tenth and eleventh lenses are made of glass material.
5. The high-pixel panoramic lens system according to claim 4, wherein the glass material of each lens in the high-pixel panoramic lens system satisfies the following condition:
the first lens material satisfies: 1.75< Nd <1.9, 35< Vd < 45;
the second lens material satisfies: 1.45< Nd <1.55, 65< Vd < 75;
the third lens material satisfies: 1.70< Nd <1.85, 45< Vd < 55;
the fifth lens material satisfies: 1.75< Nd <1.85, 45< Vd < 55;
the sixth lens material satisfies: 1.85< Nd <1.95, 16< Vd < 22;
the seventh single diaphragm unit material satisfies: 1.7< Nd <1.85, 45< Vd < 55;
the eighth lens material satisfies: 1.65< Nd <1.75, 45< Vd < 55;
the ninth lens material satisfies: 1.8< Nd <1.9, 20< Vd < 30;
the tenth lens material satisfies: 1.45< Nd <1.60, 60< Vd < 70;
the eleventh lens material satisfies: 1.45< Nd <1.60, 60< Vd < 70;
wherein: vd is the dispersion coefficient of each lens; nd is the refractive index of each lens.
6. The high pixel panoramic lens system of claim 1, wherein the eighth lens and the ninth lens are combined into a bonded lens.
7. The high-pixel panoramic lens system according to claim 1, wherein the thickness d of each lens core in the high-pixel panoramic lens system satisfies the following condition:
a first lens: 0.8< d1<2 mm;
a second lens: 0.6< d3<1 mm;
a third lens: 3< d5<4 mm;
a fourth lens: 2< d7<3.5 mm;
a fifth lens: 1< d9<2 mm;
a sixth lens: 3< d11<4 mm;
an eighth lens: 3< d14<4 mm;
a ninth lens: 0.8< d15<1.5 mm;
a tenth lens: 1.0< d17<2 mm;
eleventh lens 1.0< d19<2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267104.8A CN110927927B (en) | 2019-12-11 | 2019-12-11 | High-pixel panoramic lens system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113960752A (en) * | 2021-10-13 | 2022-01-21 | 江西凤凰光学科技有限公司 | Small-distortion high-resolution fisheye lens |
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| TW201710733A (en) * | 2015-09-04 | 2017-03-16 | 中強光電股份有限公司 | Projection apparatus and projection lens |
| CN106842517A (en) * | 2017-01-19 | 2017-06-13 | 吉林省中业光电技术有限公司 | A kind of 360 ° of omnidirectional imaging systems of high resolution |
| CN107632376A (en) * | 2017-10-31 | 2018-01-26 | 舜宇光学(中山)有限公司 | Vision lenses |
| CN109884779A (en) * | 2019-03-15 | 2019-06-14 | 广东奥普特科技股份有限公司 | A kind of low distortion camera lens |
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| CN102841433A (en) * | 2011-06-23 | 2012-12-26 | 株式会社理光 | Imaging lens, camera device and portable information terminal device |
| TW201710733A (en) * | 2015-09-04 | 2017-03-16 | 中強光電股份有限公司 | Projection apparatus and projection lens |
| CN106842517A (en) * | 2017-01-19 | 2017-06-13 | 吉林省中业光电技术有限公司 | A kind of 360 ° of omnidirectional imaging systems of high resolution |
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| CN113960752A (en) * | 2021-10-13 | 2022-01-21 | 江西凤凰光学科技有限公司 | Small-distortion high-resolution fisheye lens |
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Effective date of registration: 20211119 Address after: 410116 workshop 101, building 1, Jinhai Industrial Park, 177 Jinhai Road, Yuhua District, Changsha City, Hunan Province Patentee after: HUNAN CHIOPT OPTICAL TECHNOLOGY Co.,Ltd. Address before: 511442 2nd floor, No.1 Workshop, Jinshan Industrial Park, pengdizhuang, lirendong village, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CHIOPT OPTOTECH Co.,Ltd. |
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