WO2021097930A1 - Objectif optique de caméra - Google Patents
Objectif optique de caméra Download PDFInfo
- Publication number
- WO2021097930A1 WO2021097930A1 PCT/CN2019/123056 CN2019123056W WO2021097930A1 WO 2021097930 A1 WO2021097930 A1 WO 2021097930A1 CN 2019123056 W CN2019123056 W CN 2019123056W WO 2021097930 A1 WO2021097930 A1 WO 2021097930A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- imaging optical
- curvature
- radius
- ttl
- Prior art date
Links
Images
Classifications
-
- 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
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Definitions
- the present invention relates to the field of optical lenses, in particular to an imaging optical lens suitable for portable terminal equipment such as smart phones and digital cameras, as well as imaging devices such as monitors and PC lenses.
- Camera optical lenses on traditional electronic products mostly adopt four-element, five-element, six-element or even seven-element lens structure.
- the shape setting is not sufficient, resulting in the wide-angle and ultra-thinning of the imaging optical lens is still insufficient.
- the purpose of the present invention is to provide an imaging optical lens, which aims to solve the problems of insufficient wide-angle and ultra-thinning of the traditional imaging optical lens.
- an imaging optical lens from the object side to the image side, including: a first lens, a second lens, a third lens, a fourth lens, and a fifth lens;
- the first lens has a positive refraction
- the second lens has a negative refractive power
- the third lens has a negative refractive power
- the fourth lens has a positive refractive power
- the fifth lens has a negative refractive power
- the imaging optical lens as a whole
- the focal length of the third lens is f
- the focal length of the third lens is f3
- the radius of curvature of the object side of the second lens is R3
- the radius of curvature of the image side of the second lens is R4
- the object side of the third lens is R4.
- the radius of curvature of the side surface is R5, the radius of curvature of the image side surface of the third lens is R6, the axial thickness of the first lens is d1, and the image side surface of the first lens is to the object side surface of the second lens.
- the on-axis distance of the second lens is d2, the on-axis thickness of the second lens is d3, and the following relationship is satisfied: -2.20 ⁇ f3/f ⁇ -1.80; 0.22 ⁇ R3/R4 ⁇ 0.26; 9.00 ⁇ R5/R6 ⁇ 11.00 ; 0.30 ⁇ d1/f ⁇ 0.40; 5.00 ⁇ d1/d3 ⁇ 5.20; 0.40 ⁇ (d1+d2+d3)/f ⁇ 0.50.
- the focal length of the first lens is f1
- the radius of curvature of the object side of the first lens is R1
- the radius of curvature of the image side of the first lens is R2
- the total optical length of the imaging optical lens is TTL
- the focal length of the second lens is f2
- the total optical length of the imaging optical lens is TTL, and satisfies the following relationship: -7.16 ⁇ f2/f ⁇ -2.08;
- the axial thickness of the third lens is d5
- the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied: 0.60 ⁇ (R5+R6)/(R5-R6) ⁇ 1.87; 0.03 ⁇ d5/TTL ⁇ 0.17.
- the focal length of the fourth lens is f4
- the radius of curvature of the object side of the fourth lens is R7
- the radius of curvature of the image side of the fourth lens is R8, and the on-axis thickness of the fourth lens Is d7
- the total optical length of the camera optical lens is TTL, and satisfies the following relationship: 0.32 ⁇ f4/f ⁇ 1.35; 0.11 ⁇ (R7+R8)/(R7-R8) ⁇ 0.55; 0.08 ⁇ d7/TTL ⁇ 0.26.
- the focal length of the fifth lens is f5, the radius of curvature of the object side of the fifth lens is R9, the radius of curvature of the image side of the fifth lens is R10, and the on-axis thickness of the fifth lens is Is d9, the total optical length of the camera optical lens is TTL, and satisfies the following relationship: -1.46 ⁇ f5/f ⁇ -0.36; 0.67 ⁇ (R9+R10)/(R9-R10) ⁇ 3.18; 0.03 ⁇ d9/ TTL ⁇ 0.11.
- the image height of the imaging optical lens is IH, and satisfies the following relational expression: TTL/IH ⁇ 1.6.
- the field of view of the imaging optical lens is FOV
- the focal number of the imaging optical lens is Fno, and the following relationship is satisfied: FOV ⁇ 76°; Fno ⁇ 2.40.
- the total optical length TTL of the imaging optical lens is less than or equal to 5.06 mm.
- the beneficial effect of the present invention is that the imaging optical lens provided by the present invention has good optical performance, while meeting the design requirements of large aperture and ultra-thinning.
- FIG. 1 is a schematic diagram of the structure of the imaging optical lens of the first embodiment
- FIG. 2 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 1;
- FIG. 3 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in FIG. 1;
- FIG. 4 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 1;
- FIG. 5 is a schematic diagram of the structure of the imaging optical lens of the second embodiment
- FIG. 6 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 5;
- FIG. 7 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 5;
- FIG. 8 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 5;
- FIG. 9 is a schematic diagram of the structure of the imaging optical lens of the third embodiment.
- FIG. 10 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 9;
- FIG. 11 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 9;
- FIG. 12 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 9.
- the present invention provides an imaging optical lens 10 according to the first embodiment.
- the left side is the object side
- the right side is the image side.
- the imaging optical lens 10 mainly includes five lenses. From the object side to the image side, the aperture S1, the first lens L1, the second lens L2 and the third Lens L3, fourth lens L4, and fifth lens L5.
- the first lens L1 has positive refractive power
- the second lens L2 has negative refractive power
- the third lens L3 has negative refractive power
- the fourth lens L4 has positive refractive power
- the fifth lens L5 has negative refractive power.
- a glass plate GF is provided between the fifth lens L5 and the image plane Si.
- the glass plate GF may be a glass cover plate or an optical filter.
- the focal length of the entire imaging optical lens 10 is defined as f
- the focal length of the third lens L3 is f3
- the radius of curvature of the object side of the second lens L2 is R3
- the radius of curvature of the image side of the second lens L2 is R4.
- the curvature radius of the object side surface of the three lens L3 is R5
- the curvature radius of the image side surface of the third lens L3 is R6
- the axial thickness of the first lens L1 is d1
- the image side surface of the first lens L1 reaches the object side of the second lens L2.
- the on-axis distance of the side surface is d2
- the on-axis thickness of the second lens L2 is d3, which satisfies the following relationship:
- conditional expression (1) specifies the ratio of the focal length f3 of the third lens L3 to the total focal length f, which helps to improve the performance of the optical system within the range of the conditional expression.
- Conditional expression (2) and conditional expression (3) stipulate the shape of the second lens L2 and the third lens L3. Within the specified range of the conditional expression, the degree of deflection of the light passing through the lens can be alleviated, and aberrations can be effectively reduced. Preferably, the conditional formula 9.00 ⁇ R5/R6 ⁇ 10.97 is satisfied.
- Conditional formula (4) specifies the ratio of the on-axis thickness d1 of the first lens L1 to the total focal length f, which is beneficial to the correction of the spherical aberration of the system within the conditional range and improves the imaging performance.
- the conditional expression 0.31 ⁇ d1/f ⁇ 0.39 is satisfied.
- the conditional formula (5) specifies the ratio of the on-axis thickness d1 of the first lens L1 to the on-axis thickness d3 of the second lens L2, which contributes to the processing of the lens within the scope of the conditional formula.
- the conditional expression 5.01 ⁇ d1/d3 ⁇ 5.20 is satisfied.
- Conditional expression (6) When (d1+d2+d3)/f satisfies the range of the conditional expression, it is beneficial to the correction of system aberrations and the improvement of imaging quality.
- the imaging optical lens 10 also satisfies the following relational expression: 9.50 ⁇ d1/d2 ⁇ 9.60, which specifies the on-axis thickness d1 of the first lens L1 and the object from the image side surface of the first lens L1 to the second lens L2.
- the ratio of the on-axis distance d2 on the side is conducive to lens processing and lens assembly within the range of conditions.
- the curvature radius of the object side surface of the first lens L1 is R1
- the curvature radius of the image side surface of the first lens L1 is R2, which satisfies the following relationship: -2.10 ⁇ (R1+R2)/(R1-R2) ⁇ -0.55, reasonable control of the shape of the first lens L1, so that the first lens L1 can effectively correct the spherical aberration of the system.
- the conditional formula -1.31 ⁇ (R1+R2)/(R1-R2) ⁇ -0.69 is satisfied.
- the focal length of the first lens L1 is f1, which satisfies the following relationship: 0.40 ⁇ f1/f ⁇ 1.24, which specifies the positive refractive power of the first lens L1.
- 0.40 ⁇ f1/f ⁇ 1.24 which specifies the positive refractive power of the first lens L1.
- the positive refractive power of the first lens L1 will be too strong, it is difficult to correct problems such as aberrations, and it is not conducive to the development of the lens to wide-angle.
- the upper limit is exceeded, the positive refractive power of the first lens becomes too weak, and it is difficult for the lens to develop ultra-thin.
- the conditional expression 0.65 ⁇ f1/f ⁇ 0.99 is satisfied.
- the axial thickness of the first lens L1 is d1
- the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.13 ⁇ d1/TTL ⁇ 0.45, which is conducive to achieving ultra-thinness.
- the conditional formula 0.20 ⁇ d1/TTL ⁇ 0.36 is satisfied.
- the focal length of the second lens L2 is f2, which satisfies the following relationship: -7.16 ⁇ f2/f ⁇ -2.08.
- f2 The focal length of the second lens L2
- -7.16 ⁇ f2/f ⁇ -2.08 By controlling the negative refractive power of the second lens L2 in a reasonable range, it is beneficial to correct the aberration of the optical system.
- the conditional formula -4.47 ⁇ f2/f ⁇ -2.60 is satisfied.
- the curvature radius of the object side surface of the second lens L2 is R3, and the curvature radius of the image side surface of the second lens L2 is R4, which satisfies the following relationship: -3.40 ⁇ (R3+R4)/(R3-R4) ⁇ -1.04.
- the shape of the two lens L2 is within the range, as the lens becomes ultra-thin and wide-angle, it is beneficial to correct the problem of axial chromatic aberration.
- the conditional formula -2.12 ⁇ (R3+R4)/(R3-R4) ⁇ -1.30 is satisfied.
- the on-axis thickness of the second lens L2 is d3, which satisfies the following relationship: 0.02 ⁇ d3/TTL ⁇ 0.09, which is beneficial to realize ultra-thinness.
- the conditional expression 0.04 ⁇ d3/TTL ⁇ 0.07 is satisfied.
- the third lens L3 has negative refractive power, and the imaging optical lens also satisfies the following relationship: 0.60 ⁇ (R5+R6)/(R5-R6) ⁇ 1.87, which can effectively control the shape of the third lens L3, which is beneficial to the third lens L3 Molding, and avoid the excessively large surface curvature of the third lens L3, resulting in poor molding and stress.
- the conditional formula 0.96 ⁇ (R5+R6)/(R5-R6) ⁇ 1.50 is satisfied.
- the on-axis thickness of the third lens L3 is d5, which satisfies the following relationship: 0.03 ⁇ d5/TTL ⁇ 0.17, which is beneficial to realize ultra-thinness.
- the conditional expression 0.05 ⁇ d5/TTL ⁇ 0.13 is satisfied.
- the focal length of the fourth lens L4 is f4, which satisfies the following relationship: 0.32 ⁇ f4/f ⁇ 1.35.
- the reasonable distribution of the optical power enables the system to have better imaging quality and lower sensitivity.
- the conditional expression 0.51 ⁇ f4/f ⁇ 1.08 is satisfied.
- the curvature radius of the object side surface of the fourth lens L4 is R7
- the curvature radius of the image side surface of the fourth lens L4 is R8, which satisfies the following relationship: 0.11 ⁇ (R7+R8)/(R7-R8) ⁇ 0.55, which specifies the fourth lens
- the shape of L4 is within the range, with the development of ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
- the conditional formula 0.17 ⁇ (R7+R8)/(R7-R8) ⁇ 0.44 is satisfied.
- the on-axis thickness of the fourth lens L4 is d7, which satisfies the following relationship: 0.08 ⁇ d7/TTL ⁇ 0.26, which is beneficial to realize ultra-thinness.
- the conditional formula 0.12 ⁇ d7/TTL ⁇ 0.21 is satisfied.
- the focal length f5 of the fifth lens L5 satisfies the following relationship: -1.46 ⁇ f5/f ⁇ -0.36.
- the limitation of the fifth lens L5 can effectively smooth the light angle of the imaging lens and reduce the tolerance sensitivity.
- the conditional expression -0.91 ⁇ f5/f ⁇ -0.45 is satisfied.
- the curvature radius of the object side surface of the fifth lens L5 is R9
- the curvature radius of the image side surface of the fifth lens L5 is R10, which satisfies the following relationship: 0.67 ⁇ (R9+R10)/(R9-R10) ⁇ 3.18, which specifies the fifth lens
- the shape of L5 is in the range, with the development of ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
- the conditional formula 1.07 ⁇ (R9+R10)/(R9-R10) ⁇ 2.54 is satisfied.
- the on-axis thickness of the fifth lens L5 is d9, which satisfies the following relationship: 0.03 ⁇ d9/TTL ⁇ 0.11, which is beneficial to realize ultra-thinness.
- the conditional expression 0.05 ⁇ d9/TTL ⁇ 0.09 is satisfied.
- the ratio of the total optical length TTL of the imaging optical lens 10 to the image height IH is less than or equal to 1.60, thereby fulfilling the requirement of ultra-thinness.
- the field of view FOV of the imaging optical lens 10 is greater than or equal to 76°, thereby achieving a wide angle.
- the aperture F number Fno of the imaging optical lens is less than or equal to 2.40, thereby achieving a large aperture.
- the total optical length TTL of the imaging optical lens 10 is less than or equal to 5.06 mm, which is beneficial to realize ultra-thinness.
- the total optical length TTL is less than or equal to 4.83 mm.
- the surface of each lens can be set as an aspherical surface.
- the aspherical surface can be easily made into a shape other than a spherical surface, and more control variables can be obtained to reduce aberrations, thereby reducing the use of lenses. Therefore, the total length of the imaging optical lens 10 can be effectively reduced.
- both the object side surface and the image side surface of each lens are aspherical.
- the imaging optical lens 10 can be reasonable The power, spacing, and shape of each lens are allocated, and various aberrations are corrected accordingly.
- the imaging optical lens 10 can not only have good optical imaging performance, but also meet the design requirements of large aperture and ultra-thinness.
- the imaging optical lens 10 of the present invention will be described below with an example.
- the symbols described in each example are as follows.
- the unit of focal length, distance on axis, radius of curvature, thickness on axis, position of inflection point, and position of stagnation point is mm.
- TTL optical length (the on-axis distance from the object side of the first lens L1 to the imaging surface), the unit is mm;
- the object side and/or the image side of the lens can also be provided with inflection points and/or stagnation points to meet high-quality imaging requirements.
- inflection points and/or stagnation points for specific implementations, refer to the following.
- the design data of the imaging optical lens 10 shown in FIG. 1 is shown below.
- Table 1 lists the object side curvature radius and the image side curvature radius R of the first lens L1 to the fifth lens L5 constituting the imaging optical lens 10 in the first embodiment of the present invention, the on-axis thickness of each lens, and the distance between two adjacent lenses.
- R The radius of curvature of the optical surface, and the radius of curvature of the center of the lens
- R1 the radius of curvature of the object side surface of the first lens L1;
- R2 the radius of curvature of the image side surface of the first lens L1;
- R3 the radius of curvature of the object side surface of the second lens L2;
- R4 the radius of curvature of the image side surface of the second lens L2;
- R5 the radius of curvature of the object side surface of the third lens L3;
- R6 the radius of curvature of the image side surface of the third lens L3;
- R7 the radius of curvature of the object side of the fourth lens L4;
- R8 the radius of curvature of the image side surface of the fourth lens L4;
- R9 the radius of curvature of the object side surface of the fifth lens L5;
- R10 the radius of curvature of the image side surface of the fifth lens L5;
- R11 The curvature radius of the object side surface of the glass plate GF
- R12 the radius of curvature of the image side surface of the glass plate GF
- d the on-axis thickness of each lens or the on-axis distance between two adjacent lenses
- d0 the on-axis distance from the aperture S1 to the object side of the first lens L1;
- d2 the on-axis distance from the image side surface of the first lens L1 to the object side surface of the second lens L2;
- d4 the on-axis distance from the image side surface of the second lens L2 to the object side surface of the third lens L3;
- d6 the on-axis distance from the image side surface of the third lens L3 to the object side surface of the fourth lens L4;
- d10 the on-axis distance from the image side surface of the fifth lens L5 to the object side surface of the glass plate GF;
- d11 the axial thickness of the glass plate GF
- nd1 the refractive index of the first lens L1;
- nd2 the refractive index of the second lens L2
- nd3 the refractive index of the third lens L3;
- nd4 the refractive index of the fourth lens L4
- nd5 the refractive index of the fifth lens L5;
- ndg the refractive index of the glass plate GF
- vg Abbe number of glass plate GF.
- Table 2 shows the aspheric surface data of each lens in the imaging optical lens 10 of the first embodiment of the present invention.
- k is the conic coefficient
- A4, A6, A8, A10, A12, A14, A16, A18, and A20 are the aspheric coefficients.
- the aspheric surface of each lens surface uses the aspheric surface shown in the above formula (1).
- the present invention is not limited to the aspheric polynomial form represented by the formula (1).
- Table 3 and Table 4 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 10 of the embodiment of the present invention.
- P1R1 and P2R2 represent the object side and image side of the first lens L1 respectively
- P2R1 and P2R2 represent the object side and image side of the second lens L2 respectively
- P3R1 and P3R2 represent the object side and image side of the third lens L3 respectively
- P4R1 and P4R2 represent the object side surface and the image side surface of the fourth lens L4, respectively.
- P5R1 and P5R2 represent the object side and image side of the fifth lens L5, respectively.
- the corresponding data in the “reflection point position” column is the vertical distance from the reflex point set on the surface of each lens to the optical axis of the imaging optical lens 10.
- the data corresponding to the “stationary point position” column is the vertical distance from the stationary point set on the surface of each lens to the optical axis of the imaging optical lens 10.
- FIG. 4 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 10.
- the curvature of field S in FIG. 4 is the curvature of field in the sagittal direction
- T is the curvature of field in the meridional direction.
- the imaging optical lens 10 has an entrance pupil diameter of 1.474mm, a full field of view image height of 2.911mm, a diagonal field of view angle of 77.90°, a large aperture, ultra-thin, and excellent Optical characteristics.
- FIG. 5 is a schematic diagram of the structure of the imaging optical lens 20 in the second embodiment.
- the second embodiment is basically the same as the first embodiment.
- the meanings of the symbols in the following list are also the same as those in the first embodiment. Therefore, the same parts will not be repeated here. List the differences.
- Table 5 and Table 6 show design data of the imaging optical lens 20 according to the second embodiment of the present invention.
- Table 6 shows the aspheric surface data of each lens in the imaging optical lens 20 according to the second embodiment of the present invention.
- Table 7 and Table 8 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 20.
- FIG. 6 and 7 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm, and 430 nm pass through the imaging optical lens 20.
- FIG. 8 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 20.
- the curvature of field S in FIG. 8 is the curvature of field in the sagittal direction
- T is the curvature of field in the meridional direction.
- the imaging optical lens 20 has an entrance pupil diameter of 1.497mm, a full-field image height of 2.911mm, a diagonal viewing angle of 77.11°, a large aperture, ultra-thin, and excellent Optical characteristics.
- FIG. 9 is a schematic diagram of the structure of the imaging optical lens 30 in the third embodiment.
- the third embodiment is basically the same as the first embodiment.
- the meanings of the symbols in the following list are also the same as those in the first embodiment. Therefore, the same parts will not be repeated here. List the differences.
- Table 9 and Table 10 show design data of the imaging optical lens 30 according to the third embodiment of the present invention.
- Table 10 shows the aspheric surface data of each lens in the imaging optical lens 30 according to the third embodiment of the present invention.
- Table 11 and Table 12 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 30.
- Table 13 also lists the values corresponding to the various parameters in the third embodiment and the parameters specified in the conditional expression.
- FIG. 10 and 11 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm, and 430 nm pass through the imaging optical lens 30.
- FIG. 12 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 30.
- the curvature of field S in FIG. 12 is the curvature of field in the sagittal direction
- T is the curvature of field in the meridional direction.
- the imaging optical lens 30 has an entrance pupil diameter of 1.531mm, a full-field image height of 2.911mm, a diagonal viewing angle of 76.00°, a large aperture, ultra-thin, and excellent Optical characteristics.
- Table 13 lists the values of the corresponding conditional expressions in the first embodiment, the second embodiment, and the third embodiment and the values of other related parameters according to the above-mentioned conditional expressions.
- Example 1 Example 2
- Example 3 f3/f -2.008 -2.198 -1.802
- R3/R4 0.240 0.220 0.259
- R5/R6 .9.700 9.000 10.93 d1/f 0.349 0.307 0.385 d1/d3 5.058 5.019 5.190 (d1+d2+d3)/f 0.454 0.400 0.499
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
L'invention concerne un objectif optique de caméra (10), comprenant une première lentille (L1), une deuxième lentille (L2), une troisième lentille (L3), une quatrième lentille (L4) et une cinquième lentille (L5) disposées en séquence, d'un côté objet à un côté image ; la première lentille (L1) présente une réfringence positive, la deuxième lentille (L2) présente une réfringence négative, la troisième lentille (L3) présente une réfringence négative, la quatrième lentille (L4) présente une réfringence positive et la cinquième lentille (L5) présente une réfringence négative. La longueur focale de l'intégralité de l'objectif optique de caméra (10) est f, la distance focale de la troisième lentille (L3) est f3, le rayon de courbure de la surface côté objet de la deuxième lentille (L2) est R3, le rayon de courbure de la surface côté image de la deuxième lentille (L2) est R4, le rayon de courbure de la surface côté objet de la troisième lentille (L3) est R5, le rayon de courbure de la surface côté image de la troisième lentille (L3) est R6, l'épaisseur sur l'axe de la première lentille (L1) est d1, la distance sur l'axe de la surface côté image de la première lentille (L1) à la surface côté objet de la deuxième lentille (L2) est d2, et l'épaisseur sur l'axe de la deuxième lentille (L2) est d3 ; et les relations suivantes sont respectées : -2,20 ≤ f3/f ≤ -1,80 ; 0,22 ≤ R3/R4 ≤ 0,26 ; 9,00 ≤ R5/R6 ≤ 11,00 ; 0,30 ≤ d1/f ≤ 0,40 ; 5,00 ≤ d1/d3 ≤ 5,20 ; et 0,40 ≤ (d1+d2+d3)/f ≤ 0,50.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911154548.0 | 2019-11-22 | ||
CN201911154548.0A CN110764231B (zh) | 2019-11-22 | 2019-11-22 | 摄像光学镜头 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021097930A1 true WO2021097930A1 (fr) | 2021-05-27 |
Family
ID=69339783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2019/123056 WO2021097930A1 (fr) | 2019-11-22 | 2019-12-04 | Objectif optique de caméra |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN110764231B (fr) |
WO (1) | WO2021097930A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7026766B1 (ja) | 2020-09-03 | 2022-02-28 | エーエーシー オプティックス (ソシュウ) カンパニーリミテッド | 撮像光学レンズ |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111198432B (zh) * | 2020-02-24 | 2021-07-30 | 诚瑞光学(常州)股份有限公司 | 摄像光学镜头 |
CN111538139B (zh) * | 2020-07-13 | 2020-10-16 | 瑞声通讯科技(常州)有限公司 | 摄像光学镜头 |
CN111736305B (zh) * | 2020-07-20 | 2020-11-17 | 诚瑞光学(常州)股份有限公司 | 摄像光学镜头 |
TWI769536B (zh) | 2020-09-28 | 2022-07-01 | 大立光電股份有限公司 | 影像鏡頭、取像裝置及電子裝置 |
CN113433653B (zh) * | 2021-06-08 | 2023-12-15 | 江西晶超光学有限公司 | 光学镜头、摄像模组及电子设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7710665B2 (en) * | 2007-11-08 | 2010-05-04 | Samsung Electro-Mechanics Co., Ltd. | Imaging optical system |
CN202126531U (zh) * | 2011-01-03 | 2012-01-25 | 大立光电股份有限公司 | 取像用光学镜片组 |
CN202141850U (zh) * | 2011-05-24 | 2012-02-08 | 大立光电股份有限公司 | 影像拾取镜片组 |
CN103293637A (zh) * | 2013-02-06 | 2013-09-11 | 玉晶光电(厦门)有限公司 | 五片式光学成像镜头及应用该镜头的电子装置 |
CN105974563A (zh) * | 2016-03-25 | 2016-09-28 | 玉晶光电(厦门)有限公司 | 光学成像镜头及应用此镜头之电子装置 |
CN107608053A (zh) * | 2017-08-30 | 2018-01-19 | 华为技术有限公司 | 一种透镜系统、图像拍摄装置和设备 |
-
2019
- 2019-11-22 CN CN201911154548.0A patent/CN110764231B/zh active Active
- 2019-12-04 WO PCT/CN2019/123056 patent/WO2021097930A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7710665B2 (en) * | 2007-11-08 | 2010-05-04 | Samsung Electro-Mechanics Co., Ltd. | Imaging optical system |
CN202126531U (zh) * | 2011-01-03 | 2012-01-25 | 大立光电股份有限公司 | 取像用光学镜片组 |
CN202141850U (zh) * | 2011-05-24 | 2012-02-08 | 大立光电股份有限公司 | 影像拾取镜片组 |
CN103293637A (zh) * | 2013-02-06 | 2013-09-11 | 玉晶光电(厦门)有限公司 | 五片式光学成像镜头及应用该镜头的电子装置 |
CN105974563A (zh) * | 2016-03-25 | 2016-09-28 | 玉晶光电(厦门)有限公司 | 光学成像镜头及应用此镜头之电子装置 |
CN107608053A (zh) * | 2017-08-30 | 2018-01-19 | 华为技术有限公司 | 一种透镜系统、图像拍摄装置和设备 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7026766B1 (ja) | 2020-09-03 | 2022-02-28 | エーエーシー オプティックス (ソシュウ) カンパニーリミテッド | 撮像光学レンズ |
JP2022042935A (ja) * | 2020-09-03 | 2022-03-15 | エーエーシー オプティックス (ソシュウ) カンパニーリミテッド | 撮像光学レンズ |
Also Published As
Publication number | Publication date |
---|---|
CN110764231A (zh) | 2020-02-07 |
CN110764231B (zh) | 2021-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021097930A1 (fr) | Objectif optique de caméra | |
WO2021031236A1 (fr) | Lentille optique photographique | |
WO2021097927A1 (fr) | Lentille optique photographique | |
WO2021097914A1 (fr) | Lentille optique photographique | |
WO2021031239A1 (fr) | Lentille optique de caméra | |
WO2021196312A1 (fr) | Lentille optique de caméra | |
WO2022016624A1 (fr) | Objectif optique pour appareil photographique | |
WO2021258441A1 (fr) | Lentille optique photographique | |
WO2021248578A1 (fr) | Lentille de caméra optique | |
WO2021097929A1 (fr) | Objectif de caméra | |
WO2021097925A1 (fr) | Lentille optique de caméra | |
WO2022047986A1 (fr) | Lentille optique photographique | |
WO2022016605A1 (fr) | Objectif optique de caméra | |
WO2021168878A1 (fr) | Objectif d'appareil de prise de vues | |
WO2021097920A1 (fr) | Lentille optique photographique | |
WO2021168887A1 (fr) | Lentille optique de caméra | |
WO2021097928A1 (fr) | Lentille optique photographique | |
WO2021031237A1 (fr) | Lentille optique photographique | |
WO2021031238A1 (fr) | Lentille de caméra optique | |
WO2022047988A1 (fr) | Objectif optique de dispositif de prise de vues | |
WO2022000657A1 (fr) | Lentille optique de dispositif de prise de vues | |
WO2021168886A1 (fr) | Lentille optique de caméra | |
WO2021237780A1 (fr) | Lentille optique de caméra | |
WO2022047992A1 (fr) | Lentille optique de caméra | |
WO2021253555A1 (fr) | Lentille optique de caméra |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19953153 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19953153 Country of ref document: EP Kind code of ref document: A1 |