CN208475248U - A kind of zoom lens group - Google Patents
A kind of zoom lens group Download PDFInfo
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- CN208475248U CN208475248U CN201821285850.0U CN201821285850U CN208475248U CN 208475248 U CN208475248 U CN 208475248U CN 201821285850 U CN201821285850 U CN 201821285850U CN 208475248 U CN208475248 U CN 208475248U
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Abstract
The utility model discloses a kind of zoom lens groups, including fixed lens, zoom camera lens and focusing lens, fixed lens, zoom camera lens and focusing lens are successively arranged from left to right along optical axis, focusing lens include focusing eyeglass and focusing drawtube, the focusing eyeglass include the first convex lens to array from left to right, the second convex lens, the first concavees lens, third convex lens and the 4th convex lens；Zoom camera lens includes zoom eyeglass and zoom lens barrel, and zoom eyeglass includes the second concavees lens, third concavees lens and the 5th convex lens to array from left to right；Fixed lens include fixing len and fixed lens barrel, and fixing len includes the 4th concavees lens and the 6th convex lens to array from left to right.The utility model, which realizes usable low-power lamp bead, can also achieve the effect that be higher by light, while controlling volume and weight, increase light beam light-emitting angle variation range, so that the stage area coverage of single lens group maximizes.
Description
Technical field
The utility model relates to a kind of lens group more particularly to a kind of zoom lens groups.
Background technique
With the development of the times, the free life of people is also more and more abundant colorful, and stage performance is also entertainment way
One of, in order to allow stage performance to reach better performance effect, it usually may require that the support of the equipment such as light of stage on stage, from
And the atmosphere of the whole audience is driven, experience the glamour of live stage performance.
Currently, in light of stage industry, stage lighting is deep always to be influenced by zoom lens, and there are some defects,
In embody a concentrated reflection of the feature that volume is big, heavy and small light-emitting angle variation range.Those skilled in the art are it is well known that waving
Most stage lightings are all to need high power that can just have higher brightness in desk lamp light industry, at the same time, only bigger volume
Can just there be bigger light-emitting angle variation range, this, which allows for pursuing, can only select high power and stupid on the performance stage of high effect
The stage lighting of weight, such defect is very inconvenient for the erection of middle-size and small-size stage, generally requires to set up more stage lightings
Just stage light effect can be made to cover entire stage, to increase the difficulty and cost for setting up stage.
Utility model content
In view of the above deficiencies, it the purpose of this utility model is to provide a kind of zoom lens group, realizes and low function can be used
Rate lamp bead can also achieve the effect that be higher by light have while controlling volume and weight, increase the variation of light beam light-emitting angle
Range, so that the maximized advantage of stage area coverage of single lens group.
Used technical solution is the utility model in order to achieve the above objectives:
A kind of zoom lens group, including fixed lens, zoom camera lens and focusing lens, the fixed lens, zoom camera lens
And focusing lens are successively arranged from left to right along optical axis, the focusing lens include focusing eyeglass and are coated on outside zoom eyeglass
The focusing drawtube in portion, which includes the first convex lens to array from left to right, the second convex lens, first recessed
Mirror, third convex lens and the 4th convex lens；The zoom camera lens includes zoom eyeglass and the zoom for being coated on zoom lens outer
Lens barrel, the zoom eyeglass include the second concavees lens, third concavees lens and the 5th convex lens to array from left to right；It is described
Fixed lens include fixing len and the fixed lens barrel that is coated on outside fixing len, the fixing len include from left to right according to
4th concavees lens of secondary arrangement and the 6th convex lens.
The focusing drawtube includes the first eyeglass to array from left to right as a further improvement of the utility model,
Clamping part, the second lens set portion, third eyeglass clamping part and the 4th eyeglass clamping part, and first convex lens is arranged in first
At eyeglass clamping part, second convex lens and the first concavees lens are arranged at the second eyeglass clamping part, the third convex lens
It is arranged at third eyeglass clamping part, the 4th convex lens is arranged at the 4th eyeglass clamping part.
It is provided with an annular projection on the inner wall of the zoom lens barrel as a further improvement of the utility model, it should
Zoom lens barrel includes the 4th eyeglass clamping part and the 5th eyeglass clamping part, and second concavees lens and third concavees lens are arranged in the
At four eyeglass clamping parts, the 5th convex lens is arranged at the 5th eyeglass clamping part.
The fixed lens barrel is provided with the 6th eyeglass clamping part as a further improvement of the utility model, and the described 4th
Concavees lens and the 6th convex lens are arranged at the 6th eyeglass clamping part.
First convex lens is convex-convex lens as a further improvement of the utility model, first convex lens
The protrusion degree on left side convex surface is less than the protrusion degree on right side convex surface, and second convex lens is convex surface towards left plano-convex lens, described
First concavees lens are concavo-concave lens, and the recess degree of the left side concave surface of first concavees lens is greater than the recess degree of right side concave surface, institute
Stating third convex lens is convex surface towards right concave surface towards left concave-convex lens, and the 4th convex lens is convex surface towards left concave surface towards right recessed
Convex lens.
Second concavees lens are concave surface towards left plano-concave lens as a further improvement of the utility model, described the
Three concavees lens are concavo-concave lens, and the recess degree of the left side concave surface of the third concavees lens is less than the recess degree of right side concave surface, described
5th convex lens is concave-convex lens of the convex surface towards left concave surface towards the right side, side concave surface and the 5th convex lens of the third concavees lens
Convex surface is fitted.
The 4th concavees lens are that convex surface is saturating towards left concave surface towards right convex-concave as a further improvement of the utility model,
Mirror, the 6th convex lens are convex-convex lens, and the left side convex surface of the concave side and the 6th convex lens of the 4th concavees lens is affixed
Close setting.
The diameter of lens size of the fixed lens is 135mm, the zoom as a further improvement of the utility model,
The diameter of lens size of camera lens is 69mm, and the diameter of lens size of the focusing lens is 61mm.
Distance of the vertex of 4th concavees lens of the fixed lens to image planes as a further improvement of the utility model,
For 325mm.The left side of 6th convex lens on the vertex and fixed lens on the left side convex surface of the second concavees lens of the zoom camera lens
Distance is 10-181mm between the vertex on convex surface.
The utility model has the following beneficial effects: integrating fixed lens, zoom camera lens and focusing lens, pass through fixed mirror
The mutual cooperation of head, zoom camera lens and focusing lens, forms stage lighting zoom lens group, and the adjustable extent of light-emitting angle is
4 ° -57 °, compared to existing technologies, realizing usable low-power lamp bead can also achieve the effect that be higher by light, control
While volume and weight, increase light beam light-emitting angle variation range, so that the stage area coverage of single lens group maximizes,
The difficulty of stage erection and cost are reduced can to reduce the quantity of lens group, and then reduce.Simultaneously in lens group
Between there are sufficient spaces for the optical devices such as prism, atomizing piece, color chips to be added, realize the multifunction of stage lighting, it is real
It is strong with property.
Above-mentioned is the general introduction of utility model technical solution, below in conjunction with attached drawing and specific embodiment, to the utility model
It is described further.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the focusing group structural schematic diagram of the utility model；
Fig. 3 is the zoom group Structure explosion diagram of the utility model；
Fig. 4 is the fixed group structural schematic diagram of the utility model.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy for reaching predetermined purpose and being taken, below in conjunction with
Specific embodiment of the present utility model is described in detail in attached drawing and preferred embodiment.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model embodiment provides a kind of zoom lens group, including fixed mirror
First 1, zoom camera lens 2 and focusing lens 3, the fixed lens 1, zoom camera lens 2 and focusing lens 3 along optical axis from left to right according to
Secondary arrangement, the focusing lens 3 include focusing eyeglass 31 and the focusing drawtube 32 being coated on outside zoom eyeglass 31, the focusing lens
Piece 31 includes the first convex lens 311, the second convex lens 312, the first concavees lens 313, third convex lens to array from left to right
Mirror 314 and the 4th convex lens 315；The zoom camera lens 2 includes zoom eyeglass 21 and the zoom being coated on outside zoom eyeglass 21
Lens barrel 22, the zoom eyeglass 21 include the second concavees lens 211, the third concavees lens 212 and the 5th to array from left to right
Convex lens 213；The fixed lens 1 include fixing len 11 and the fixed lens barrel 12 being coated on outside fixing len 11, described
Fixing len 11 includes the 4th concavees lens 111 and the 6th convex lens 112 to array from left to right.
Referring to figure 2., the focusing drawtube 32 includes successively arranging from left to right as a further improvement of the utility model,
The first eyeglass clamping part 321, the second lens of column set portion 322, third eyeglass clamping part 323 and the 4th eyeglass clamping part 324,
First convex lens 311 is arranged in the first eyeglass card 321 and sets at portion, and second convex lens 312 and the first concavees lens 313 block
At the second eyeglass clamping part 322, the third convex lens 314 is arranged at third eyeglass clamping part 323, and the described 4th is convex
Lens 315 are arranged at the 4th eyeglass clamping part 324.
Referring to figure 3., a ring is provided on the inner wall of the zoom lens barrel 22 as a further improvement of the utility model,
Shape protrusion 23, the zoom lens barrel 22 include the 4th eyeglass clamping part 221 and the 5th eyeglass clamping part 222, and described second is recessed
Mirror 211 and third concavees lens 212 are arranged at the 4th eyeglass clamping part 221, and the 5th convex lens 213 is arranged in the 5th eyeglass
At clamping part 222.
Referring to figure 4., the fixed lens barrel 12 is provided with the 6th eyeglass card and sets as a further improvement of the utility model,
Portion 121, the 4th concavees lens 111 and the 6th convex lens 112 are arranged at the 6th eyeglass clamping part 121.
First convex lens 311 is convex-convex lens, first convex lens as a further improvement of the utility model,
The protrusion degree on 311 left side convex surface is less than the protrusion degree on right side convex surface, and second convex lens 312 is that convex surface is saturating towards left plano-convex
Mirror, first concavees lens 313 are concavo-concave lens, and it is recessed that the recess degree of the left side concave surface of first concavees lens 313 is greater than right side
The recess degree in face, the third convex lens 314 are convex surface towards right concave surface towards left concave-convex lens, and the 4th convex lens 315 is
Convex surface is towards left concave surface towards right concave-convex lens.
Second concavees lens 211 are concave surface towards left plano-concave lens as a further improvement of the utility model, described
Third concavees lens 212 are concavo-concave lens, and the recess degree of the left side concave surface of the third concavees lens 212 is less than the recess of right side concave surface
Degree, the 5th convex lens 213 are concave-convex lens of the convex surface towards left concave surface towards the right side, the side concave surface of the third concavees lens 212
It is fitted with the convex surface of the 5th convex lens 213.
The 4th concavees lens 111 are convex-concave of the convex surface towards left concave surface towards the right side as a further improvement of the utility model,
Lens, the 6th convex lens 112 are convex-convex lens, the concave side of the 4th concavees lens 111 and a left side for the 6th convex lens 112
Side convex surface is fitted.
The diameter of lens size of the fixed lens 1 is 135mm, the change as a further improvement of the utility model,
The diameter of lens size of times camera lens 2 is 69mm, and the diameter of lens size of the focusing lens 3 is 61mm.
Image planes are arrived on the vertex of the 4th concavees lens 111 of the fixed lens 1 as a further improvement of the utility model,
Distance is 325mm.The vertex on the left side convex surface of the second concavees lens 211 of the zoom camera lens 2 and the 6th convex lens of fixed lens 1
Distance is 10-181mm between the vertex on the left side convex surface of mirror 112.
The utility model emphasis essentially consists in: the utility model is designed reasonably, structure novel realize usable low-power
Lamp bead can also achieve the effect that be higher by light, while controlling volume and weight, the adjustable extent of light-emitting angle is 4 °-
57 °, increase light beam light-emitting angle variation range, so that the stage area coverage of single lens group maximizes.To make stage frame
If difficulty and cost can be reduced.Simultaneously between lens group there are sufficient space for be added prism, atomizing piece,
The optical devices such as color chips realize the multifunction of stage lighting, practical.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions, therefore technical characteristic identical or approximate with the utility model above-described embodiment is used, in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of zoom lens group, including fixed lens, zoom camera lens and focusing lens, which is characterized in that the fixed lens,
Zoom camera lens and focusing lens are successively arranged from left to right along optical axis, and the focusing lens are including focusing eyeglass and are coated on change
The focusing drawtube of times lens outer, which includes the first convex lens to array from left to right, the second convex lens,
One concavees lens, third convex lens and the 4th convex lens；The zoom camera lens includes zoom eyeglass and is coated on zoom lens outer
Zoom lens barrel, the zoom eyeglass includes the second concavees lens, third concavees lens and the 5th convex lens to array from left to right
Mirror；The fixed lens include fixing len and the fixed lens barrel that is coated on outside fixing len, the fixing len include from
The 4th concavees lens and the 6th convex lens that left-to-right is arranged successively.
2. zoom lens group according to claim 1, which is characterized in that the focusing drawtube includes successively arranging from left to right
The first eyeglass clamping part, the second lens of column set portion, third eyeglass clamping part and the 4th eyeglass clamping part, first convex lens
Mirror is arranged at the first eyeglass clamping part, and second convex lens and the first concavees lens are arranged at the second eyeglass clamping part, institute
It states third convex lens to be arranged at third eyeglass clamping part, the 4th convex lens is arranged at the 4th eyeglass clamping part.
3. zoom lens group according to claim 1, which is characterized in that be provided with a ring on the inner wall of the zoom lens barrel
Shape protrusion, the zoom lens barrel include the 4th eyeglass clamping part and the 5th eyeglass clamping part, and second concavees lens and third are recessed
Lens card is set at the 4th eyeglass clamping part, and the 5th convex lens is arranged at the 5th eyeglass clamping part.
4. zoom lens group according to claim 1, which is characterized in that the fixed lens barrel is provided with the 6th eyeglass card and sets
Portion, the 4th concavees lens and the 6th convex lens are arranged at the 6th eyeglass clamping part.
5. zoom lens group according to claim 1, which is characterized in that first convex lens is convex-convex lens, described
The protrusion degree on the left side convex surface of the first convex lens is less than the protrusion degree on right side convex surface, and second convex lens is that convex surface is put down towards left
Convex lens, first concavees lens are concavo-concave lens, and the recess degree of the left side concave surface of first concavees lens is greater than right side concave surface
Recess degree, the third convex lens is convex surface towards right concave surface towards left concave-convex lens, and the 4th convex lens is convex surface towards a left side
Concave-convex lens of the concave surface towards the right side.
6. zoom lens group according to claim 1, which is characterized in that second concavees lens are plano-concave of the concave surface towards a left side
Lens, the third concavees lens are concavo-concave lens, and the recess degree of the left side concave surface of the third concavees lens is less than right side concave surface
Recess degree, the 5th convex lens are convex surface towards left concave surface towards right concave-convex lens, the side concave surface of the third concavees lens with
The convex surface of 5th convex lens is fitted.
7. zoom lens group according to claim 1, which is characterized in that the 4th concavees lens are convex surface towards left concave surface court
Right meniscus, the 6th convex lens are convex-convex lens, the concave side of the 4th concavees lens and a left side for the 6th convex lens
Side convex surface is fitted.
8. zoom lens group according to claim 1, which is characterized in that the diameter of lens size of the fixed lens is
135mm, the diameter of lens size of the zoom camera lens are 69mm, and the diameter of lens size of the focusing lens is 61mm.
9. zoom lens group according to claim 1, which is characterized in that the vertex of the 4th concavees lens of the fixed lens
Distance to image planes is 325mm, the 6th of the vertex on the left side convex surface of the second concavees lens of the zoom camera lens and fixed lens the
Distance is 10-181mm between the vertex on the left side convex surface of convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821285850.0U CN208475248U (en) | 2018-08-10 | 2018-08-10 | A kind of zoom lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821285850.0U CN208475248U (en) | 2018-08-10 | 2018-08-10 | A kind of zoom lens group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475248U true CN208475248U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821285850.0U Expired - Fee Related CN208475248U (en) | 2018-08-10 | 2018-08-10 | A kind of zoom lens group |
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| Country | Link |
|---|---|
| CN (1) | CN208475248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305700A (en) * | 2019-07-29 | 2021-02-02 | 青岛海信激光显示股份有限公司 | Projection lens and laser projection device |
-
2018
- 2018-08-10 CN CN201821285850.0U patent/CN208475248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305700A (en) * | 2019-07-29 | 2021-02-02 | 青岛海信激光显示股份有限公司 | Projection lens and laser projection device |
| CN112305700B (en) * | 2019-07-29 | 2022-09-09 | 青岛海信激光显示股份有限公司 | Projection lens and laser projection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20210810 |