CN102043229B - Prime lens - Google Patents
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- CN102043229B CN102043229B CN2009102063339A CN200910206333A CN102043229B CN 102043229 B CN102043229 B CN 102043229B CN 2009102063339 A CN2009102063339 A CN 2009102063339A CN 200910206333 A CN200910206333 A CN 200910206333A CN 102043229 B CN102043229 B CN 102043229B
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- tight shot
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- 238000003384 imaging method Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 14
- 230000004075 alteration Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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Abstract
The invention relates to a prime lens. The prime lens consists of a first lens group, a second lens group and a third lens group which are arranged in turn from an amplified side to a reduced side, wherein the first lens group has a plus diopter and comprises a first lens and a second lens which are arranged in turn from the amplified side to the reduced side, and the diopters of the first lens and the second lens are minus and plus respectively; the second lens group has a plus diopter and comprises a third lens, a fourth lens, and a fifth lens which are arranged in turn from the amplified side to the reduced side, and the diopters of the third lens, the fourth lens and the fifth lens are plus, minus and plus in turn; and the third lens group has a plus diopter and comprises a sixth lens, and the diopter of the sixth lens is plus. Due to the design, the prime lens can realize higher imaging quality, larger view angles and smaller telecentric angles.
Description
[technical field]
The invention relates to a kind of camera lens, and particularly about a kind of tight shot.
[background technology]
Projection lens exists many challenges to optical designers.A good projection lens possibly have high-quality imaging, low distortion aberration, high-res, high-contrast and uniform picture illumination.In addition, in order to reach the effect of the big picture of short distance projection, projection lens possibly have big field angle, and (field of view FOV), reaches less distortion aberration.In order to increase the illuminance uniformity of optical efficiency and projected picture, the chief ray of the reduced side of projection lens is designed to be less with respect to the maximum angle (be the heart far away angle, telecentric angle translated in English) of optical axis, makes chief ray and optical axis approaching parallel.
Above designing requirement meeting checks and balance, thereby increases the difficult design degree of projection lens.For example, when the aberration that will distort dwindles as much as possible, just may pin down the field angle of camera lens and the lens number that camera lens is adopted.If for having big field angle, and the chief ray of reduced side and optical axis be when parallel with lens design, the just easy change of the length of camera lens and lens dimension greatly.In addition; If desire to reach image quality, low distortion aberration, high-res, high-contrast and uniform projected picture illumination preferably; Usually will use non-spherical lens, but use glass aspheric lenses can increase cost, and the cost of projection lens is reduced.If adopt spherical lens fully, the lens number that projection lens is adopted reaches more than 9, and so the size of camera lens can become greatly, and also can't effectively reduce cost.
United States Patent (USP) the 5th, 042, No. 929 a kind of camera lenses of proposition with 7 lens, this camera lens has front lens crowd and rear lens crowd.The front lens crowd is contained 6 lens, its diopter (refractivepower) by the Zoom Side toward reduced side in regular turn for positive and negative, positive and negative, just just reach.The burnt length of front lens crowd's the back of the body is longer, and this can cause the length of whole camera lens longer, and can't reach the purpose of miniaturization.The rear lens crowd then only has a slice positive lens, and is plastic aspheric lenes.Yet, because this plastic aspheric lenes near reduced side, therefore can cause the increase of assembling degree of difficulty.This camera lens is in when focusing, and rear lens the crowd fix, and the front lens crowd is then removable, that is this focusing mode do not belong in the focusing type, this can cause emergent ray to be interfered with other mechanism's parts easily, and makes image frame screening angle problem occur.If desire head it off, then make mechanism's part as far as possible away from camera lens, but this can cause the volume of whole camera lens to become big.In addition, because the glass mirror that this camera lens adopted reaches 6, can't reach lightweight and the purpose that reduces cost.
United States Patent (USP) the 7th, 173, No. 777 a kind of camera lenses of exposure with 8 lens, it can be divided into first lens group, second lens group and the 3rd lens group.First lens group has negative diopter, and has two lens, and wherein at least one lens is a plastic aspheric lenes.Second lens group has negative diopter, and has a slice lens.The 3rd lens group has positive diopter, and has five lens.The glass mirror number of this camera lens is more, and can't reach lightweight and the purpose that reduces cost.
The TaiWan, China patent discloses a kind of zoom lens M309675 number, comprises by the thing side having second lens combination and that negative dioptric first lens combination, has positive diopter and having the 3rd lens combination of positive diopter to one of arranging in regular turn as side.United States Patent (USP) the 6th, 124 has disclosed a kind of zoom lens No. 984, and it is made up of the 3rd lens combination that has negative dioptric first lens combination, has second lens combination of positive diopter and have a positive diopter.When camera lens is done the zoom action from wide-angle side to telescope end; Need to move first lens combination and second lens combination; So that the distance shrinkage between first lens combination and second lens combination, the distance between second lens combination and the 3rd lens combination is increased, to realize 2.5 times zoom performance.
United States Patent (USP) the 6th, 124 has disclosed a kind of zoom lens No. 987, comprises the rear lens group that has negative dioptric front lens group and have positive diopter.The first surface of first eyeglass in the front lens group has adopted aspheric surface, and on second eyeglass of rear lens group, has also adopted aspheric design.When the zoom lens zoom, forward and backward lens combination relatively moves on optical axis.And when focusing, last a slice diopter that then only need move in the rear lens group is that positive eyeglass gets final product.United States Patent (USP) the 7th, 453 has disclosed a kind of zoom lens No. 651, and comprising diopter is that positive second lens group and diopter is the 3rd positive lens group for negative first lens group, diopter.United States Patent (USP) the 6th, 844 has disclosed a kind of camera lens, has comprised the one or three lens group, the two or three lens group and the 3rd lens group for No. 984.First lens group is used for accomplishing focusing, and second lens group is used for controlling zoom, and it is fixing that the 3rd lens group then keeps.United States Patent (USP) the 5th, 550 has disclosed a kind of projection lens No. 679, and having diopter is that positive second lens combination and diopter is the 3rd positive lens combination for negative first lens combination, diopter.
[summary of the invention]
The present invention provides a kind of tight shot, has preferable optical imagery quality.
Other purposes of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching one of above-mentioned or partly or all purposes or other purposes, one of the present invention embodiment proposes a kind of tight shot, is suitable for being disposed between a Zoom Side and the reduced side.Tight shot comprises one first lens group, one second lens group and one the 3rd lens group.First lens group is disposed between Zoom Side and the reduced side, and has positive diopter.First lens group comprises by the Zoom Side one of arranges first lens and one second lens in regular turn toward reduced side, and the diopter of first lens and second lens is respectively negative and just.Second lens group is disposed between first lens group and the reduced side, and has positive diopter.Second lens group comprises by the Zoom Side one of arranges the 3rd lens, one the 4th lens and one the 5th lens in regular turn toward reduced side, and the diopter of the 3rd lens, the 4th lens and the 5th lens is positive and negative, just in regular turn.The 3rd lens group is disposed between second lens group and the reduced side, and has positive diopter.The 3rd lens group comprises one the 6th lens, and the diopter of the 6th lens is for just.
In the tight shot of embodiments of the invention; The diopter of first, second and third lens group just is all; And the diopter of first to the 6th lens is negative, positive, positive and negative, just, just in regular turn, can make tight shot realize preferable image quality, bigger field angle and the less heart far away angle by design so.In addition, because the lens number that tight shot adopted of present embodiment is less, therefore can reduce cost.
[description of drawings]
Fig. 1 is the structural representation of the tight shot of one embodiment of the invention.
Fig. 2 A to Fig. 2 C is the image optics simulated data figure of the tight shot of Fig. 1.
Fig. 3 is the structural representation of the tight shot of another embodiment of the present invention.
50: the image processing element
60: glass cover
100,100 ': tight shot
110: the first lens groups
112: the first lens
114: the second lens
120: the second lens groups
122: the three lens
124: the four lens
126: the five lens
130: the three lens groups
132: the six lens
140: inner full-reflection prism
142: the first prisms
144: the second prisms
150: aperture diaphragm
A: optical axis
G: clearance
S1～S18: surface
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to one of graphic preferred embodiment, can clearly appear.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions with reference to annexed drawings.Therefore, the direction term of use is to be used for explaining not to be to be used for limiting the present invention.
Fig. 1 is the structural representation of the tight shot of one of the present invention embodiment.Please with reference to Fig. 1, the tight shot 100 of present embodiment is suitable for being disposed between a Zoom Side and the reduced side.In the present embodiment, tight shot 100 is suitable for being disposed in the projection arrangement (not illustrating), with the projection lens as projection arrangement.In addition, tight shot 100 is suitable for the image that the image processing element 50 that is disposed at reduced side is produced is projected on the screen (not illustrating) that is disposed at the Zoom Side.In the present embodiment, image processing element 50 for example be the numerical digit micro-mirror element (digital micro-mirror device, DMD).Yet; In other embodiments; Image processing element 50 can also be silica-based liquid crystal panel (liquid-crystal-on-silicon panel, LCOS panel), penetration liquid crystal panel, other suitable light valves (light valve) or other suitable spatial light modulation devices (spatial lightmodulator).Tight shot 100 comprises one first lens group 110, one second lens group 120 and one the 3rd lens group 130.First lens group 110 is disposed between Zoom Side and the reduced side, and has positive diopter.First lens group 110 comprises by the Zoom Side one of arranges first lens 112 and one second lens 114 in regular turn toward reduced side, and the diopter of first lens 112 and second lens 114 is respectively negative and just.Second lens group 120 is disposed between first lens group 110 and the reduced side, and has positive diopter.Second lens group 120 comprises by the Zoom Side one of arranges the 3rd lens 122, one the 4th lens 124 and one the 5th lens 126 in regular turn toward reduced side, and the diopter of the 3rd lens 122, the 4th lens 124 and the 5th lens 126 is positive and negative, just in regular turn.The 3rd lens group 130 is disposed between second lens group 120 and the reduced side, and has positive diopter.The 3rd lens group 130 comprises one the 6th lens 132, and the diopter of the 6th lens 132 is for just.
Particularly, in the present embodiment, first lens 112 for example are a biconcave lens, and second lens 114 for example are a biconvex lens.The 3rd lens 122 for example are the plano-convex lens of a convex surface towards the Zoom Side, and the 4th lens 124 for example are a biconcave lens, and the 5th lens 126 for example are a biconvex lens.In addition, the 6th lens 312 for example are the plano-convex lens of a plane towards the Zoom Side.
In the present embodiment, tight shot 100 more comprises an aperture diaphragm 150, is disposed between first lens group 110 and second lens group 120.In addition, in the present embodiment, the relative tight shot 100 in the position of first lens group 110 and the 3rd lens group 130 immobilizes, and second lens group 120 is suitable for moving relative to first lens group 110 and the 3rd lens group 130, to accomplish focusing.In other words, therefore focal modes in the tight shot 100 of present embodiment adopts is difficult for making the imaging picture to produce the angle problem that hides.
In order to make tight shot 100 have preferable optical imagery quality, can make tight shot 100 meet the one of which at least of following four conditions:
(1) 2.9＜f
G1/ f＜3.1, wherein f is the effective focal length (effective focallength) of this tight shot, and f
G1Effective focal length for this first lens group;
(2) 1＜f
G1/ f
G2＜2 and 1.5＜f
G1/ f
G3＜2.5, f wherein
G1Be the effective focal length of this first lens group, f
G2Be the effective focal length of this second lens group, and f
G3Effective focal length for the 3rd lens group;
(3) v
L3＞v
L4And v
L5＞v
L4, v wherein
L3Be the Abbe number of the 3rd lens, v
L4Be the Abbe number of the 4th lens, and v
L5Abbe number for the 5th lens; And
(4) v
L3＞50, v
L4＜30 and v
L5＞50.
In the tight shot 100 of present embodiment; The diopter of first, second and third lens group 110,120,130 just is all; And the diopter of first to the 6th lens 112,114,122,124,126,132 is negative, positive, positive and negative, just, just in regular turn; By so designing and optionally letting tight shot 100 meet the one of which at least of above-mentioned four conditions; Can make tight shot 100 have less lateral chromatic aberration (lateral color), lower distortion aberration (distortion), bigger field angle, the less heart far away angle (for example in 3 degree) and less overall volume.In addition, because the lens number that tight shot adopted of present embodiment is less, therefore can reduce cost and overall volume.Moreover in the present embodiment, first lens 112, second lens 114, the 4th lens 124 and the 5th lens 126 for example respectively are a plastic aspheric lenes, so can further reduce the cost and the weight of tight shot 100.In addition, in the present embodiment, the material of the 3rd lens 122 and the 6th lens 132 for example is a glass, but the present invention is not as limit.
Following content will be enumerated an embodiment of tight shot 100.Be noted that; Listed data information is not in order to limit the present invention in following table one and the table two; Have common knowledge the knowledgeable after with reference to the present invention in the technical field under any, when can doing suitable change to its parameter or setting, and it must belong in the category of the present invention.
(table)
In table one, spacing is meant the air line distance on the optical axis A of tight shot 100 between two adjacently situated surfaces, for instance, the spacing of surperficial S1, promptly surperficial S1 is to the air line distance on optical axis A between surperficial S2.The pairing thickness of each lens, refractive index and Abbe number are please with reference to each spacing, refractive index and Abbe number value corresponding in the same column in the remarks column.In addition, in table one, surperficial S1, S2 are two surfaces of first lens 112, and surperficial S3, S4 are two surfaces of second lens 114.Surface S5 is an aperture diaphragm 150.Surface S6, S7 are two surfaces of the 3rd lens 122, and surperficial S8, S9 are two surfaces of the 4th lens 124, and surperficial S10, S11 are two surfaces of the 5th lens 126, and surperficial S12, S13 are two surfaces of the 6th lens 132.Surface S14, S15 are two surfaces of a glass cover (cover glass) 60, and it is in order to protection image processing element 50.In addition, surperficial S16 is the active surface of image processing element 50, i.e. object plane.Relevant for parameter values such as each surperficial radius-of-curvature, spacings,, no longer repeat at this please with reference to table one.In the present embodiment, the effective focal length of tight shot 100 is 14.7531 millimeters, and field angle is 37.35 degree, and heart angle far away is 1.64 degree.
Above-mentioned surperficial S1, S2, S3, S4, S8, S9, S10 and S11 are aspheric surface, and its available formula is represented:
In the formula, Z is the side-play amount (sag) of optical axis A direction, and c is the inverse of the radius of osculating sphere (osculatingsphere), just near the inverse of the radius-of-curvature at optical axis A place (like the radius-of-curvature of S1, S2 in the table one).K is quadric surface coefficient (conic), and r is the aspheric surface height, is the height of the past rims of the lens from the lens center, and A
2, A
4, A
6, A
8... be asphericity coefficient (aspheric coefficient), coefficient A in the present embodiment
2Be 0.Tabulate down two listed be the aspheric surface parameter value of surperficial S1, S2, S3, S4, S8, S9, S10 and S11.
(table two)
| The aspheric surface parameter | The quadric surface coefficient k | Coefficient A 4 | Coefficient A 6 | Coefficient A 8 |
| S1 | 0 | 0.0040530913 | -0.00015920095 | 4.7280986e-6 |
| S2 | 0 | 0.002061639 | -4.5013781e-5 | -1.2663751e-6 |
| S3 | 0 | -0.00099806925 | 6.2560531e-5 | -1.6276408e-6 |
| S4 | 0 | -6.0172442e-5 | 2.4011426e-6 | 1.0402148e-6 |
| S8 | 0 | 0.0041672569 | -0.0001460624 | 4.8944417e-6 |
| S9 | 0 | 0.00013244566 | 8.0055984e-5 | -5.3911115e-6 |
| S10 | 0 | -0.0020141598 | 8.4342348e-5 | -1.3507511e-6 |
| S11 | 0 | 0.00039434018 | -1.8953493e-5 | 1.531376e-6 |
Fig. 2 A to Fig. 2 C is the image optics simulated data figure of the tight shot of Fig. 1.Please with reference to Fig. 2 A to Fig. 2 C; Fig. 2 A is the transverse light rays sector diagram (transverse ray fan plot) of image; It is to be the simulated data figure that the light of 460nm, 527nm and 615nm has been done with the wavelength, wherein abscissa and ordinate each since-50 microns to+50 microns.Fig. 2 B is to be the simulated data figure that the light of 460nm, 527nm and 615nm is done with the wavelength; Wherein be the figure of the curvature of field (field curvature) and distortion (distortion) from left to right in regular turn among Fig. 2 B; And ordinate image height Y converts rink corner (field angle) at this, and maximum field angle is 18.868 degree.Fig. 2 C is lateral chromatic aberration figure (lateral color), and it is to be the simulated data figure that the light of 460nm, 527nm and 615nm has been done with the wavelength, and ordinate maximum field (max field) is 4.95 millimeters.The figure that Fig. 2 A to Fig. 2 C is demonstrated all in the scope of standard, can verify that thus the tight shot 100 of present embodiment can have the good optical image quality really.
Fig. 3 is the structural representation of the tight shot of another embodiment of the present invention.Please with reference to Fig. 3; The tight shot 100 ' of present embodiment is similar with the tight shot 100 of Fig. 1; And both difference is that mainly the tight shot 100 ' of present embodiment more comprises an inner full-reflection prism 140, is disposed between second lens group 120 and the 3rd lens group 130.In the present embodiment, the 6th lens 132 and inner full-reflection prism 140 gummeds.In addition, in the present embodiment, inner full-reflection prism 140 comprises one first prism 142 and one second prism 144 of breasting each other.In the present embodiment, have clearance G between first prism 142 and second prism 144, to form fully reflecting surface.Because tight shot 100 ' combines the 6th lens 132 with inner full-reflection prism 140; The 6th lens 132 are disposed at as field lens (field lens) on the bang path of the image strip that illuminating bundle that the illuminator in the projection arrangement sends and image processing element 50 provided simultaneously, therefore can dwindle the volume of the projection arrangement that adopts tight shot 100 '.
The tight shot 100 ' and the above-mentioned tight shot 100 of present embodiment have confers similar advantages and effect, no longer repeat at this.Following content will be enumerated an embodiment of tight shot 100 ', but the present invention is not as limit.Please with reference to table three.
(table three)
In the table three, surperficial S1～S11 and S13～S16 are identical with the surperficial S1～S11 and the S13～S16 of table one, no longer repeat at this.In addition, surperficial S17 be inner full-reflection rib 140 towards the surface of Zoom Side, and surperficial S18 is the surface that inner full-reflection prism 140 links to each other with the 6th lens 132.In the present embodiment, the effective focal length of tight shot 100 ' is 14.6528 millimeters, and field angle is 37.74 degree, and heart angle far away is 1.84 degree.
The aspheric surface parameter of surperficial S1, S2, S3, S4, S8, S9, S10 and the S11 of present embodiment is identical with the aspheric surface parameter of surperficial S1, S2, S3, S4, S8, S9, S10 and the S11 of Fig. 1 and table two; The detail parameters value of surperficial S1, S2, S3, S4, S8, S9, S10 and the S11 of present embodiment please be joined table two, no longer repeats at this.
In sum; In the tight shot of embodiments of the invention; The diopter of first, second and third lens group just is all; And the diopter of first to the 6th lens is negative, positive, positive and negative, just, just in regular turn, can make tight shot realize preferable image quality, bigger field angle and the less heart far away angle by design so.In addition, because the lens number that tight shot adopted of present embodiment is less, therefore can reduce cost.
The above; Be merely preferred embodiment of the present invention; When not limiting the scope that the present invention implements with this, the simple equivalent of promptly doing according to claim of the present invention and invention description generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.Arbitrary embodiment of the present invention in addition or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.
Claims (15)
1. a tight shot is suitable for being disposed between a Zoom Side and the reduced side, and this tight shot comprises:
One first lens group; Be disposed between this Zoom Side and this reduced side; And have positive diopter, wherein this first lens group comprises by this Zoom Side and one of arranges first lens and one second lens in regular turn toward this reduced side, and the diopter of these first lens and these second lens is respectively negative and just;
One second lens group; Be disposed between this first lens group and this reduced side; And has positive diopter; Wherein this second lens group comprises by this Zoom Side and one of arranges the 3rd lens, one the 4th lens and one the 5th lens in regular turn toward this reduced side, and the diopter of the 3rd lens, the 4th lens and the 5th lens is positive and negative, just in regular turn; And
One the 3rd lens group is disposed between this second lens group and this reduced side, and has positive diopter, and wherein the 3rd lens group comprises one the 6th lens, and the diopter of the 6th lens is being for just, focal modes in wherein said tight shot adopts.
2. tight shot as claimed in claim 1 is characterized in that: these first lens and this second lens respectively are a non-spherical lens, and the 3rd lens, the 4th lens and the 5th lens at least wherein the two is a non-spherical lens.
3. tight shot as claimed in claim 2 is characterized in that: the 4th lens and the 5th lens respectively are a non-spherical lens, and the 6th lens are a spherical lens.
4. tight shot as claimed in claim 3 is characterized in that: the 3rd lens are a spherical lens.
5. tight shot as claimed in claim 1 is characterized in that: more comprise an aperture diaphragm, be disposed between this first lens group and this second lens group.
6. tight shot as claimed in claim 1 is characterized in that: more comprise an inner full-reflection prism, be disposed between this second lens group and the 3rd lens group.
7. tight shot as claimed in claim 6 is characterized in that: the 6th lens and this inner full-reflection prism gummed.
8. tight shot as claimed in claim 1; It is characterized in that: the position of this first lens group and the 3rd lens group this tight shot relatively immobilizes; And this second lens group is suitable for moving relative to this first lens group and the 3rd lens group, to accomplish focusing.
9. tight shot as claimed in claim 1 is characterized in that: this tight shot meets 2.9＜f
G1/ f＜3.1, wherein f is the effective focal length of this tight shot, and f
G1Effective focal length for this first lens group.
10. tight shot as claimed in claim 1 is characterized in that: this tight shot meets 1＜f
G1/ f
G2＜2 and 1.5＜f
G1/ f
G3＜2.5, f wherein
G1Be the effective focal length of this first lens group, f
G2Be the effective focal length of this second lens group, and f
G3Effective focal length for the 3rd lens group.
11. tight shot as claimed in claim 1 is characterized in that: this tight shot meets v
L3＞v
L4And v
L5＞v
L4, v wherein
L3Be the Abbe number of the 3rd lens, v
L4Be the Abbe number of the 4th lens, and v
L5Abbe number for the 5th lens.
12. tight shot as claimed in claim 11 is characterized in that: this tight shot meets v
L3＞50, v
L4＜30 and v
L5＞50.
13. tight shot as claimed in claim 1 is characterized in that: these first lens are a biconcave lens, and these second lens are a biconvex lens.
14. tight shot as claimed in claim 1 is characterized in that: the 3rd lens are the plano-convex lens of a convex surface towards this Zoom Side, and the 4th lens are a biconcave lens, and the 5th lens are a biconvex lens.
15. fix-focus lens as claimed in claim 1 is characterized in that: the 6th lens are the plano-convex lens of a plane towards this Zoom Side.
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| CN2009102063339A CN102043229B (en) | 2009-10-15 | 2009-10-15 | Prime lens |
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|---|---|---|---|
| CN2009102063339A CN102043229B (en) | 2009-10-15 | 2009-10-15 | Prime lens |
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| CN102043229A CN102043229A (en) | 2011-05-04 |
| CN102043229B true CN102043229B (en) | 2012-05-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513401B (en) * | 2012-06-26 | 2016-01-20 | 深圳市比亚迪电子部品件有限公司 | A kind of optical lens assembly |
| JP5924542B2 (en) * | 2013-02-15 | 2016-05-25 | 輝 矢部 | Imaging optical system |
| KR102009430B1 (en) * | 2014-05-26 | 2019-08-09 | 삼성전기주식회사 | Optical system |
| JP6753749B2 (en) * | 2016-09-23 | 2020-09-09 | 天津欧菲光電有限公司Ｔｉａｎｊｉｎ Ｏｆｉｌｍ Ｏｐｔｏ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．， Ｌｔｄ | Imaging lens and imaging device |
| CN110515188A (en) * | 2019-09-23 | 2019-11-29 | 深圳市点睛创视技术有限公司 | A kind of projection lens |
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| US6844984B2 (en) * | 2002-09-20 | 2005-01-18 | Carl Zeiss Jena Gmbh | Projection objective |
| CN101114046A (en) * | 2006-07-27 | 2008-01-30 | 扬明光学股份有限公司 | Focus-fixed lens |
| CN101285925A (en) * | 2007-04-09 | 2008-10-15 | 扬明光学股份有限公司 | Focus fixing lens |
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2009
- 2009-10-15 CN CN2009102063339A patent/CN102043229B/en active Active
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|---|---|---|---|---|
| US6844984B2 (en) * | 2002-09-20 | 2005-01-18 | Carl Zeiss Jena Gmbh | Projection objective |
| CN101114046A (en) * | 2006-07-27 | 2008-01-30 | 扬明光学股份有限公司 | Focus-fixed lens |
| CN101285925A (en) * | 2007-04-09 | 2008-10-15 | 扬明光学股份有限公司 | Focus fixing lens |
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| Publication number | Publication date |
|---|---|
| CN102043229A (en) | 2011-05-04 |
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