CN1155091A - Camera lens barrel - Google Patents
Camera lens barrel Download PDFInfo
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- CN1155091A CN1155091A CN 96118513 CN96118513A CN1155091A CN 1155091 A CN1155091 A CN 1155091A CN 96118513 CN96118513 CN 96118513 CN 96118513 A CN96118513 A CN 96118513A CN 1155091 A CN1155091 A CN 1155091A
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- teat
- barrel
- circle
- outside
- camera lens
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Abstract
A lens barrel includes a lens holding barrel holding a lens, a containing barrel containing the lens holding barrel therein, a plurality of inwardly directed projections provided on the inner peripheral surface of the containing barrel, and a plurality of groups of outwardly directed projections provided on the outer peripheral surface of the lens holding barrel, each of the plurality of groups of outwardly directed projections having the same number of outwardly directed projections as the number of the inwardly directed projections, the plurality of inwardly directed projections bearing against respective ones of the outwardly directed projections in one group at a time to position the optical axis to the lens, virtual circles circumscribed on the outwardly directed projections in the respective groups having the same size in a plane perpendicular to the optical axis, the centers of the virtual circles lying at different positions.
Description
The present invention relates to be provided with an a kind of barrel that is used for fixing the camera lens stationary magazine creel of camera lens, and this camera lens stationary magazine creel is included in one of them containing tube.
Propose various schemes about the degree of eccentricity of regulating camera lens, for example in day utility model application No.5-36410 of the present disclosure, described wherein a kind of.In this example of prior art, at the outer edge surface of camera lens and be used for fixing between the inner edge surface of camera lens fixture of this camera lens a suitable play or gap are arranged, and adopt a plurality of adjusting screw pressing this camera lens, thereby realize the adjusting of the degree of eccentricity of this camera lens by the outward flange direction of camera lens fixture.In addition, in another example of prior art, promptly in day patented claim No.6-265766 of the present disclosure, make directional light pass through two lens combinations, and the result of their imagings is carried out Flame Image Process, thereby calculate a correcting value.Then, adopt an alignment jig to make the mobile size of one of lens combination, thereby realize the adjusting of the degree of eccentricity of this camera lens corresponding to this correcting value.
Yet in that example of the prior art described in the day utility model application No.5-36410 of the present disclosure, adjusting screw is directly exerted pressure to camera lens, and this has caused making this camera lens to become the problem of any angle position with respect to direction of optic axis.
In addition, that exemplary devices of the prior art described in day patented claim No.6-265766 of the present disclosure itself is large-sized, and it is inevitable increasing cost.
Because these problems, the purpose of this invention is to provide a kind of barrel, it makes can large-sized device only just can realize that with shirtsleeve operation the height of the degree of eccentricity of camera lens regulates accurately.
According to the first embodiment of the present invention that is used for realizing above-mentioned purpose, a kind of barrel is provided, it is provided with a camera lens stationary magazine creel of fixed lens and this camera lens stationary magazine creel is included in one of them contains tube, it is characterized in that:
On the inner edge surface that contains tube, be provided with a plurality of inside teats;
On the outer edge surface of camera lens stationary magazine creel, be provided with the teat the same number of many groups outside teat inside with many groups;
A plurality of inside teats are pressing separately how included outside teat in any a group in the group simultaneously, thereby the optical axis of lens is located;
The circle that is enclosed on the vertical direction on the outside teat included in each group of many groups is the measure-alike circle vertical with optical axis; And
The center of circle of each circle on the vertical direction differs from one another.
According to the second embodiment of the present invention that is used for realizing above-mentioned purpose, a kind of barrel according to first embodiment is provided, it is characterized in that between two groups of adjacent outside teats bigger than the width of inside teat on circumference at the interval on the circumference.
According to the third embodiment of the present invention that is used for realizing above-mentioned purpose, a kind of barrel is provided, it is provided with a camera lens stationary magazine creel of fixed lens and this camera lens stationary magazine creel is included in one of them contains tube, it is characterized in that:
On the outer edge surface of camera lens stationary magazine creel, be provided with a plurality of outside teats;
On the inner edge surface that contains tube, be provided with and the inside teat of the same number of many groups of a plurality of outside teats;
A plurality of outside teats are pressing the inside teat in any a group in the group how simultaneously separately, thereby the optical axis of lens is located;
With many groups in each group in circle on the vertical direction of included inside teat inscribe be the measure-alike circle vertical with optical axis; And
The center of circle of each circle on the vertical direction differs from one another.
According to the fourth embodiment of the present invention that is used for realizing above-mentioned purpose, a kind of barrel according to the 3rd embodiment is provided, it is characterized in that between two groups of adjacent inside teats bigger than the width of outside teat on circumference at the interval on the circumference.
According to the fifth embodiment of the present invention that is used for realizing above-mentioned purpose, provide according to the first, the second, a kind of barrel of the 3rd or the 4th embodiment is characterized in that a center with the optical axis of lens in the center of circle of the circle on those vertical directions overlaps.
Fig. 1 shows the general structure according to a kind of embodiment of barrel of the present invention.
Fig. 2 is the longitudinal sectional drawing of degree of eccentricity governor motion of the barrel of Fig. 1.
Fig. 3 is the sectional view of the degree of eccentricity governor motion got along the III-III line of Fig. 2.
Fig. 4 is the front view of the camera lens stationary magazine creel 3 of Fig. 2.
Fig. 5 is the front view of the containing tube 4 of Fig. 2.
Fig. 6 is the rear view of the camera lens stationary magazine creel 3 of Fig. 2.
Fig. 7 is about the synoptic diagram of measurement according to an example of the degree of eccentricity of barrel of the present invention.
The front view of Fig. 8 camera lens stationary magazine creel 3 when pressing inside teat 4a as outside teat 3b.
Fig. 9 contains a front view of tins 4 when pressing inside teat 4a as outside teat 3b.
The sectional view of the degree of eccentricity governor motion 2 that Figure 10 is being got along the III-III line of Fig. 2 when pressing inside teat 4a as outside teat 3d.
Figure 11 is the sectional view of the degree of eccentricity governor motion 2 got along the III-III line of Fig. 2 when inside teat 4a is between adjacent outside teat 3a and 3b.
Figure 12 is for containing the front view of tube 4 when inside teat 4a is between adjacent outside teat 3a and 3b.
Figure 13 is the planimetric map that shows according to a kind of example of the regulating device of barrel of the present invention.
Figure 14 is the structural drawing that shows according to a kind of example of the regulating device of barrel of the present invention.
Figure 15 is the structural drawing that shows according to the another kind of embodiment of degree of eccentricity governor motion of the present invention.
Below with reference to the barrel of figure description as one embodiment of the present of invention.
According to the general structure of the barrel 1 of present embodiment as shown in fig. 1, the degree of eccentricity governor motion as its characteristic at first will be described.Degree of eccentricity governor motion 2 is used for fixing the camera lens stationary magazine creel 3 of lens unit L2 (lens G4 and G5) and this camera lens stationary magazine creel 3 is included in one of them by one and contains tube 4 formations.Except camera lens stationary magazine creel 3, contain tube 4 and go back fixed lens unit L3 (lens G6 and G7), contain the camera lens stationary magazine creel that tube 4 also is used as fixed lens unit L3.One keeps ring-like screw 5 that lens G6 and G7 are fixed on the containing tube 4.
Fig. 2 is the longitudinal sectional drawing of degree of eccentricity governor motion 2.Fig. 3 is the sectional view of the degree of eccentricity governor motion 2 got along the III-III line of Fig. 2.
On the inner edge surface that contains tube 4, be provided with a plurality of (being three in the present embodiment) inside teat 4a, on the outer edge surface of camera lens stationary magazine creel 3, be provided with the outside teat 3x (x:a-d) of many groups (being four groups in the present embodiment) and a plurality of inside teat numbers identical (three).Be enclosed in the round Dx (x:a-d) on the vertical direction on the included outside teat in each group in described group and be measure-alike circle in perpendicular to the plane of the optical axis of lens unit L2.The center of circle Ox (x:a-d) of round Dx on the vertical direction differs from one another.In Fig. 3, show the round Da on the vertical direction that is enclosed on three outside teat 3a and be enclosed in round Db on the vertical direction on three outside teat 3b.The center of circle Oa of round Da on the vertical direction is arranged on the optical axis of lens unit L2 (is that two dot-and-dash lines intersect each other at Fig. 3).The center of circle Ob of round Db on the vertical direction in Fig. 3, look the center of circle Oa that is positioned at the round Da on the vertical direction to the right and the position that makes progress at a slant.Among three outside teat 3a each is all pressing corresponding inside teat 4a, thereby has realized that camera lens stationary magazine creel 3 is with respect to the location (being the location of optical axis) of containing tube 4.In the present embodiment, three inside teat 4a and three outside teat 3a-3d in group separately are set at the intervals of 120 degree, and the number of these teats and interval are not restricted to number in the present embodiment, and they can be provided with as required.
On the end surface 4b that contains tube 4, form the groove 4c of a circumference, and on the circumference of camera lens stationary magazine creel 3, form through hole 3e equidistantly, make it overlapping with circumferential groove 4c three positions.Form the predetermined circumferential groove 4d of length at the edge that contains tube 4.A kind of bonding agent (will describe the details of this bonding agent below) by through hole 3e and circumferential groove 4d cast is fixed to camera lens stationary magazine creel 3 on the containing tube 4.
In Fig. 2 and 3, camera lens stationary magazine creel 3 has been fixed to and has contained on the tube 4, will describe this fixedly operation and in this fixing step before the operation below, promptly uses degree of eccentricity governor motion 2 of the present invention to carry out the operation of degree of eccentricity adjusting.
At first, three inside teat 4a are pressed against on the outside teat included in any groups of organizing among the outside teat 3a-3d separately, thereby the optical axis of lens unit L2 is located.The state that three inside teat 4a are pressing three outside teat 3a simultaneously separately has been shown in Fig. 4 to 6.Fig. 4 is the front view (showing the state in the time can only seeing camera lens stationary magazine creel 3 by the direction of the arrow B among Fig. 2) of camera lens stationary magazine creel 3, Fig. 5 is the front view that contains tube 4 (showing when the state that can only be seen by the direction of the arrow B among Fig. 2 when containing tube 4), and Fig. 6 is the rear view (showing the state in the time can only seeing camera lens stationary magazine creel 3 by the direction of the arrow C among Fig. 2) of camera lens stationary magazine creel 3.
Then, beam of laser is shone on the face among the surperficial R2 of the surperficial R1 of lens G5 and lens G6, and on same surface, monitor the image (P1 and P2) that is reflected.Precision to the mutual degree of eccentricity of these surperficial R1 and R2 has requirement, and for example, the precision of degree of eccentricity must be in 0.01 millimeter.The state of measuring is shown in Fig. 7.Be used for monitoring that the image P1 that reflected and monitoring arrangement and the laser beam irradiation device of P2 known, therefore do not need to describe in detail.If monitor that the result of reflected image P1 and P2 is that these images overlap each other, just think to locate and finish, and (for example a kind of fast binder, a kind of bonding agent based on the ethyl cyanoacrylate) be poured among three through hole 3e on the camera lens stationary magazine creel 3, thus the interim location of realizing camera lens stationary magazine creel 3.Then, second kind of bonding agent a kind of bonding agent of epoxy resin (for example based on) is poured among the circumferential groove 4d that contains tube 4, contains on tins 4 thereby camera lens stationary magazine creel 3 is completely fixed.Contain on the tube 4 if in advance camera lens stationary magazine creel 3 is navigated to temporarily, will can not occur along with second kind of bonding agent sclerosis, camera lens stationary magazine creel 3 is with respect to containing tube 4 problems that move.In the present embodiment, the degree of depth of circumferential groove 4c is about 0.04 millimeter, and its width is about 1 millimeter.
On the other hand, as the image P1 of reflection and P2 when not overlapping each other,, make following three outside teats press corresponding inside teat 4a with regard to rotating lens stationary magazine creel 3.Fig. 8 and 9 shows three outside chosen states of teat 3b.Fig. 8 is the front view (showing the state when can only see camera lens stationary magazine creel 3 by the direction of the arrow B among Fig. 2) of camera lens stationary magazine creel 3, and Fig. 9 is the front view that contains tube 4 (showing the state when can only be seen containing tins 4 by the direction of the arrow B among Fig. 2 the time).In addition, in Figure 10, show three outside chosen states of teat 3d.The sectional view that Figure 10 is being got along the III-III line of Fig. 2 when pressing inside teat 4a as outside teat 3d.
As shown in figure 10, the center O a of optical axis has had mobile by the position of Fig. 3 slightly.Organize outside teat 3a-3d, the size of this degree of eccentricity (Y) difference by one group to another.With regard to the size of the degree of eccentricity of each group, adopt that maximum group of possibility (that is, making the image P1 of reflection and the possibility that P2 overlaps each other) of the adjustment of degree of eccentricity.Specifically, prepare the essentially identical barrel of a type and barrel of the present invention (but not having degree of eccentricity governor motion of the present invention), with the object of doing experiment, this subjects is repeatedly carried out the monitoring of Fig. 7, and calculate the data that are added on each actual measured value with design load.Draw four degree of eccentricity quantity that the possibility maximum occurs by these data.Then, under the state of Figure 10 (or Fig. 8 and 9), the image P1 and the P2 of monitoring reflection, and, if these images overlap each other, just think to locate and finish.After finishing the location, camera lens stationary magazine creel 3 is fixed on the containing tube 4 with being similar to method recited above.
Like this, according to the present invention, can carry out the adjusting of the degree of eccentricity of barrel with the method for sequentially selecting the outside teat in every group simply.In addition, pressing the location that corresponding outside teat carries out lens, therefore, regulating (lens itself move with respect to the camera lens stationary magazine creel in this adjusting) with traditional degree of eccentricity and compare, improving locating accuracy significantly by making every group of inside teat.
When in these groups, not having best one group, carry out following operation.
In the present embodiment, be configured to a value (see Figure 11 and 12) bigger at the interval Z on the circumference between two adjacent outside teats than each the width X of inside teat 4a on circumference, and, each inside teat 4a is placed between two adjacent outside teat 3a and 3b.Under the condition that keeps such position to concern, camera lens stationary magazine creel 3 and containing tube 4 are placed on the regulating device 20 (seeing Figure 13 and 14).At this moment, block 21 is fixed the outer edge surface that contains tube 4.In addition, place camera lens stationary magazine creel 3, simultaneously camera lens stationary magazine creel 3 is clipped between two pairs of meticulous governor motions by a holder 22.Each meticulous governor motion is made of a micron that can move forward and backward subtly under manual operation 23 and displaceable members that can move forward and backward 24, and part 24 is pressing holder 22 simultaneously according to mobile the moving forward and backward of micron 23.A spring 26 is arranged in part body 25.This spring 26 be applied to acting force on the displaceable member 24 displaceable member 24 by part body 25 to extrapolation.
After being placed on camera lens stationary magazine creel 3 and containing tube 4 on the regulating device 20, mobile subtly micron 23, the moving lens stationary magazine creel 3 in the horizontal direction.At this moment, image P1 and the P2 that reflects with method monitoring shown in Figure 7.The outside teat 3a-3d of camera lens stationary magazine creel 3 and the inside teat 4a that contains tube 4 are in free state, are not pressing each other, and shown in Figure 11 (Figure 12), so they do not hinder moving on the horizontal direction of camera lens stationary magazine creel 3.If the moving lens stationary magazine creel 3 in the horizontal direction, the image P1 and the P2 of reflection overlap each other, just think to locate and finish.After finishing the location, camera lens stationary magazine creel 3 is fixed on the containing tube 4 with being similar to previously described two kinds of bonding agents.When exerting pressure, the side of containing tube 4 finishes this fixedly operation with 27 pairs of camera lens stationary magazine creels 3 of a press fixture.
Like this, in the present embodiment, the teat outside also can realizing not relying on is regulated with the degree of eccentricity freely that inside teat combines.
The one-piece construction of the barrel of present embodiment will be described now.
In Fig. 1, label 6 expression is used for this barrel is installed to a fixed support on the camera body.The stationary magazine creel that label 7 expressions and this fixed support 6 are made of one.Label 7a represents to be located at the latching that the straight line on the inner edge surface of stationary magazine creel 7 moves, and these latchings equally spaced are arranged on three positions in a circumferential direction.Label 7b and 7c represent the guide recess that forms in the outer edge part of stationary magazine creel 7 with about a predetermined angle of optical axis.Operation of label 8 expressions encircles, and is used for being rotated in the process of varifocal the varifocal of operation.Label 8a represents to be located on the inner edge surface of the operation ring 8 that is used for carrying out varifocal and an inside pin that engages with the guide recess 7b of stationary magazine creel 7.Pin 8a is set up in a circumferential direction three positions.Label 8b represents to be located at the latching that the straight line on the inner edge surface of the operation ring 8 that is used for carrying out varifocal moves, and these latchings equally spaced are arranged on three positions in a circumferential direction.Label 9 expression is fixed to a regulating ring on the operation ring 8 that is used for carrying out varifocal with a kind of adhesive tape 10.Label 9a is illustrated in the inward flange of regulating ring 9 and partly goes up an indent helical thread that forms.Cam cylinder of label 10 expressions.On the outer edge part of this cam cylinder 10, form guide recess 10a and an evagination helical thread 10b of a straight line.The pin 8b that straight line moves straight line guide recess 10a therewith engages.The helical thread 10b of evagination is meshed with the helical thread 9a of indent.Label 10c represents to be located at a cam projection on the front end side of cam cylinder 10.Label 10d is illustrated in the cam slot of the indent that the inner edge portion of cam cylinder 10 divide to form.Transmission cylinder of label 11 expressions, it partly has cam follower 11a and 11b at its inward flange, and helical thread 11c and a straight line guide recess 11d of evagination are arranged on its outer edge part.The camera lens stationary magazine creel of label 12 expression fixed lens unit L1 (lens G1, G2 and G3).Label 12a is illustrated in the inward flange of camera lens stationary magazine creel 12 and partly goes up the indent helical thread that forms.Label 12b represents that a straight line that forms on the rearward end of camera lens stationary magazine creel 12 moves latching.Driving ring of label 13 expression, driven wheel (not shown) driving ring therewith are meshed, and the turning effort power of this driven wheel makes this driving ring rotate about optical axis.The locking latching that label 13a represents to be made of one with this driving ring 13.Label 13b is illustrated in the inward flange of driving ring 13 and partly goes up a driven wheel that forms.Label 14 is illustrated on the direction of optical axis and stretches, and is fixed to a guide rod of stationary magazine creel 7 by a screw 15.The foregoing containing tube of label 4 expressions.Label 4e represents to be located at a cam follower on the outer edge surface that contains tube 4.This cam follower 4e is assemblied among the cam slot 10d of cam cylinder 10 slidably.Numbering 4f is illustrated in and contains a guide recess that forms in the tube 4.This guide recess 4f is directed bar 14 and engages slidably.The foregoing camera lens stationary magazine creel of label 3 expressions.Camera lens stationary magazine creel 3 is shaped on an escape groove 3f (not drawing) here, is used for making guide rod 14 to pass.Label 16 expression be placed on the operation ring 8 that is used for carrying out varifocal and the regulating ring 9 fixed by jointing tape 10 on a rubber ring.
In the barrel of said structure is arranged, when the operation ring 8 that is used for carrying out varifocal is rotated, regulating ring 9 and be with it that the cam cylinder 10 of one rotates about optical axis.When the cam projection 10c of cam cylinder 10 rotation, because the effect of cam follower 11a that cam projection 10c is fixed therein and the effect of 11b and the straight-line groove 11d that engages with latching 7a that the straight line of stationary magazine creel 7 moves, transmission cylinder 11 is moved on the direction of optical axis, and do not rotate.The also feasible camera lens stationary magazine creel 12 that is made of one with transmission cylinder 11 moves on same direction.The mobile varifocal that realizes lens unit L1 of camera lens stationary magazine creel 12.
In addition, the cam follower 4e that contains tube 4 is inserted among the cam slot 10d of cam cylinder 10, and the guide rod 14 of stationary magazine creel 7 is inserted among the guide recess 4f that contains tube 4, therefore, when 10 rotations of cam cylinder, contain tube 4 and on the direction of optical axis, move, and do not rotate.The camera lens stationary magazine creel 3 that is made of one with it also moves on same direction.The mobile varifocal that has realized lens unit L2 and L3 that contains tube 4 and camera lens stationary magazine creel 3.
On the other hand, in the process that focuses on, lens unit L1 also moves.That is, when being applied to a turning effort power on the camera lens stationary magazine creel 12 from the outside, camera lens stationary magazine creel 12 moves, and does the spirality rotation along helical thread 12a and 11c simultaneously.Provide this turning effort power by the operation ring (not shown) or the driving ring 13 that are used for carrying out varifocal.The guide recess 7c of stationary magazine creel 7 makes driving ring 13 to rotate about optical axis, and is used for the driving force of a motor (not shown) of automatic focusing and makes driving ring 13 rotations.
Although described one embodiment of the present of invention above, also can the structure fabrication according to degree of eccentricity governor motion of the present invention be become as shown in figure 15.In Figure 15, a plurality of (three) outside teat 33a is set on the outer edge surface of camera lens stationary magazine creel 33, on the inner edge surface that contains tube 34, be provided with the inside teat 34a of many groups (two groups) and a plurality of outside teat 33a numbers identical (three), 34b.Three outside teat 33a are pressing the inside teat (, three inside teat 34a) in above-mentioned many groups any one group simultaneously here, thereby the optical axis of lens unit L2 is located.With in above-mentioned group respectively organize included inside teat mutually the circle on the vertical direction of inscribe be circle measure-alike in plane perpendicular to optical axis, and the center of circle of the circle on the vertical direction differs from one another.
According to the present invention, need not large-sizedly install, only just can realize that with shirtsleeve operation the height of the degree of eccentricity of camera lens regulates accurately.
Claims (8)
1. barrel, it comprises:
A camera lens stationary magazine creel of fixed lens;
Described camera lens stationary magazine creel is included in one of them contains tube;
At the described a plurality of inside teat that is provided with on the inner edge surface of tube that contains; And
Many groups of outside teats that on the outer edge surface of described camera lens stationary magazine creel, are provided with;
Described each group of organizing in the outside teat has and the same number of described outside teat of described inside teat more;
Described a plurality of inside teat is pressing the described outside teat in a group simultaneously separately, and the optical axis of described lens is located;
Surround on the vertical direction of described outside teat in each group circle with the vertical plane of described optical axis in have identical size;
The center of circle of the circle on the described vertical direction is positioned at different positions.
2. according to the barrel of claim 1, it is characterized in that between two adjacent described outside teats bigger than the described inside width of teat on circumference at the interval on the circumference.
3. according to the barrel of claim 1, it is characterized in that in the center of circle of the circle on the described vertical direction one is positioned on the optical axis of described lens.
4. barrel, it comprises:
A camera lens stationary magazine creel of fixed lens;
Described camera lens stationary magazine creel is included in one of them contains tube;
The a plurality of outside teat that on the outer edge surface of described camera lens stationary magazine creel, is provided with; And
At the described many groups of inside teats that are provided with on the inner edge surface of tube that contain;
Described each group of organizing in the inside teat has and the same number of described inside teat of described outside teat more;
Described a plurality of outside teat is pressing the described inside teat in a group simultaneously separately, and the optical axis of described lens is located;
In the plane vertical, has identical size with the circle on the vertical direction of described inside teat phase inscribe in each group with described optical axis;
The center of circle of the circle on the described vertical direction is positioned at different positions.
5. according to the barrel of claim 4, it is characterized in that, bigger than the described outside width of teat on circumference between two adjacent described inside teats at the interval on the circumference.
6. according to the barrel of claim 4, it is characterized in that in the center of circle of the circle on the described vertical direction one is positioned on the optical axis of described lens.
7. barrel, it comprises:
Fix first barrel of first optical system;
Second barrel of fixing second optical system and described first optical system being fixed therein;
At least three inside teats that on the inner edge surface of described second barrel, are provided with; And
The teat that the two or more groups that are provided with on the outer edge surface of described first barrel are outside;
Each organizes described outside teat has and the same number of described outside teat of described inside teat;
Described inside teat is pressing the described outside teat in a group simultaneously separately, the optical axis location of the optical axis of described first optical system with respect to described second optical system;
Surround circle on the vertical direction of described outside teat in each group the identical diameter of circle on the vertical direction with described inside teat phase inscribe is arranged;
The center of circle of the circle on the described described vertical direction that surrounds described outside teat is positioned at different positions.
8. barrel, it comprises:
Fix first barrel of first optical system;
Second barrel of fixing second optical system and described first optical system being fixed therein;
At least three outside teats that on the outer edge surface of described first barrel, are provided with; And
The teat that the two or more groups that are provided with on the inner edge surface of described second barrel are inside;
Each organizes described inside teat has and the same number of described inside teat of described outside teat;
Described outside teat is pressing the described inside teat in a group simultaneously separately, the optical axis location of the optical axis of described first optical system with respect to described second optical system;
With circle on the vertical direction of inside teat phase inscribe in each group have with the vertical direction that surrounds described outside teat on the identical diameter of circle;
Be positioned at different positions with the center of circle of circle on the described vertical direction of described inside teat phase inscribe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96118513 CN1155091A (en) | 1995-11-28 | 1996-11-27 | Camera lens barrel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP309328/95 | 1995-11-28 | ||
| CN 96118513 CN1155091A (en) | 1995-11-28 | 1996-11-27 | Camera lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1155091A true CN1155091A (en) | 1997-07-23 |
Family
ID=5125155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96118513 Pending CN1155091A (en) | 1995-11-28 | 1996-11-27 | Camera lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1155091A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819311A (en) * | 2009-02-27 | 2010-09-01 | 株式会社尼康 | Lens barrel and camera head |
| WO2018095259A1 (en) * | 2016-11-22 | 2018-05-31 | 捷西迪（广州）光学科技有限公司 | Device for adjusting lens element in prime lens |
-
1996
- 1996-11-27 CN CN 96118513 patent/CN1155091A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819311A (en) * | 2009-02-27 | 2010-09-01 | 株式会社尼康 | Lens barrel and camera head |
| WO2018095259A1 (en) * | 2016-11-22 | 2018-05-31 | 捷西迪（广州）光学科技有限公司 | Device for adjusting lens element in prime lens |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |