CN201060357Y - Lens cap for white balance adjustment - Google Patents
Lens cap for white balance adjustment Download PDFInfo
- Publication number
- CN201060357Y CN201060357Y CNU2007201494894U CN200720149489U CN201060357Y CN 201060357 Y CN201060357 Y CN 201060357Y CN U2007201494894 U CNU2007201494894 U CN U2007201494894U CN 200720149489 U CN200720149489 U CN 200720149489U CN 201060357 Y CN201060357 Y CN 201060357Y
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- CN
- China
- Prior art keywords
- ring body
- lens
- white balance
- camera
- lens cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a lens cover for white balance adjustment, and comprises a white sheet light transmission body and a supporting ring body. The openings at two ends of the supporting ring body are provided with a buckling interface. The supporting ring body is buckled respectively with the white sheet light transmission body and the lens by the buckling interfaces. The lens cover also comprises a connecting ring body, so that the lenses made according to various non-international ISO-1973E standards use the lens covers. When in use, firstly, the camera is set to a manual focusing mode and the white balance adjustment is set to a manual self-definition mode, and then the lens cover is mounted at the front end of the lens; a photographer aims the camera toward the background light and then presses the white balance key to lock. After receiving a confirmation signal, the photographer can take photos. The utility model both has the function of the general lens cover to effectively protect the camera lens, but also has the white balance adjustment function. When in photography, the utility model can measure the white balance value of the scenery and revert accurately the color of the scenery, thereby overcoming effectively the deficiency that the CCD sensor cannot revert accurately the color under the complex light rays.
Description
Technical field
The utility model relates to a kind of photographic accessory, specifically, relates to a kind of lens cap that is used to adjust digital camera, video camera white balance numerical value.
Background technology
During photography,, under different colour temperature conditions, can both restore the original color of target subject, generally adopt the manual adjustments white balance in order to reduce the influence that external light causes color of object as far as possible.The manual adjustments white balance realizes by white object of reference, as pure white blank sheet of paper, white clamp are faced toward camera lens, to finish the manual adjustment of white balance.And this needs the cameraman to carry object of reference such as blank sheet of paper one class at any time, has brought a lot of inconvenience to the cameraman.
The utility model content
The purpose of this utility model is to provide a kind of lens cap of adjusting white balance, but this lens cap both len, eyeglass can be revised white balance numerical value again, with the color of accurate reduction scenery when photographed.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of white balance adjustment lens cap, it is characterized in that: it comprises a white plates light penetrating object and a support ring body, the both ends open place of this support ring body respectively is provided with one and fastens interface, and this supports ring body and fastens with white plates light penetrating object and camera lens respectively by these two fastening interfaces.
In reality was implemented, described white plates light penetrating object and described support ring body can be the integrated through injection molding moulding.
Described lens cap can comprise that also connects a ring body, one end opening place of this connection ring body is provided with one and fastens the rim of the mouth, this fastening interface that fastens rim of the mouth and described support ring body one end opening place fastens, and the other end opening part of this connection ring body is provided with screw thread, and this screw thread is used for being threaded with camera lens.
Can be provided with a bolt becket bridle on the described support ring body, be connected with a connection cord on this bolt becket bridle, this connection cord is used to make lens cap to link to each other with camera lens.
During use, earlier digital camera (or video camera) is set at manual focusing mode MF, the white balance adjustment is set at manual self-defined pattern, then lens cap is installed in the camera lens front end, the cameraman aims at bias light and presses the white balance keylock, at this moment the bias light of photographed scene sees through white plates light penetrating object and the lens wearer on the lens cap, and is incident upon equably on ccd sensor camera in, thus camera adjustment white balance.After white balance numerical value was determined, camera locked this white balance numerical value, and gave confirmation signal of cameraman.At this moment the cameraman just can take according to the shooting step of routine, thereby obtains the picture of real colour reduction.
The utility model had both had the function of common lens lid; effective len and eyeglass; has white balance adjustment function again; when photography, measure the white balance numerical value of scenery; thereby accurately reduce the scenery color, effectively overcome under the situation of complicated light ccd sensor and can't accurately reduce the defective of color.
Description of drawings
Fig. 1 is that the utility model first embodiment forms synoptic diagram;
Fig. 2 is the utility model first embodiment cut-open view (no connection cord);
Fig. 3 is that the utility model second embodiment forms synoptic diagram;
Fig. 4 is a connection ring body cut-open view of the present utility model;
Fig. 5 is the utility model second embodiment user mode synoptic diagram.
Embodiment
The utility model is applicable to and has digital camera and the video camera that protrudes in the camera lens outside the fuselage.
Be described in detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the utility model comprises a white plates light penetrating object 1 and a support ring body 2, the both ends open place of this support ring body 2 respectively is provided with one and fastens interface, this supports ring body 2 and fastens with white plates light penetrating object 1 by fastening interface 21, and fastens with camera lens 5 by fastening interface 22.This support ring body 2 is used to support white plates light penetrating object 1, and white plates light penetrating object 1 is connected with camera lens 5.In reality is implemented, but white plates light penetrating object 1 and the also integrated through injection molding moulding of support ring body 2.
Lens cap shown in Figure 1 is that buckle-type is connected with the connected mode of camera lens 5, the international ISO-1973E standard of structure that this lens cap is connected with camera lens 5 and size conforms, it can be fastened on by using on all kinds of camera lenses of international ISO-1973E standard manufacture or the additional eyeglass before the camera lens.
Make in the process of camera or video camera in each manufacturer, can there be certain error in the size that camera lens and lens cap fasten the position, if use lens cap shown in Figure 1, then the reliability of lens cap and camera lens fastening can be affected, for the camera lens or the additional eyeglass of this situation, lens cap as shown in Figure 3 can be installed on it.
Lens cap shown in Figure 3 is compared with lens cap shown in Figure 1, it has increased parts--connect ring body 3, as shown in Figure 4, one end opening place of this connection ring body 3 is provided with one and fastens rim of the mouth 31, this fastens rim of the mouth 31 and fastens with the fastening interface 22 that supports ring body 2 one end opening places, and the other end opening part of this connection ring body 3 is provided with screw thread 32, and the screw thread 51 on this screw thread 32 and the camera lens 5 screws, so that lens cap is connected with camera lens 5, as shown in Figure 5.This kind lens cap both had been applicable to all kinds of camera lens or additional eyeglasses by international ISO-1973E standard manufacture, also was applicable to the camera lens or the additional eyeglass of all kinds of non-international ISO-1973E standard manufactures, had very strong versatility.
When using the utility model, earlier digital camera (or video camera) is set at manual focusing mode MF, the white balance adjustment is set at manual self-defined pattern, then the utility model lens cap is installed in camera lens 5 front ends, the cameraman aims at bias light and presses the white balance key and lock, at this moment the bias light of photographed scene sees through white plates light penetrating object 1 and the lens wearer on the lens cap, and is incident upon equably on ccd sensor camera in, thus camera adjustment white balance.After white balance numerical value was determined, camera locked this white balance numerical value, and gave confirmation signal of cameraman.At this moment the cameraman just can take lens cap, takes according to the shooting step of routine, thereby obtains the picture that real colour reduces.
After using lens cap shown in Figure 3 to carry out the white balance adjustment, because connecting ring body 3 is combined on the camera lens 5, connect ring body 3 so can not screw off, take promptly capable of taking pictures but will be fastened on the lens cap (forming) that connects on the ring body 3 by white plates light penetrating object 1 and support ring body 2.
In the camera use, because the operation that lens cap need be set up continually and take off, so, support on the ring body 2 and can be provided with a connection cord, so that lens cap is connected with camera main-body in order to prevent loss and to make things convenient for the cameraman to use.As shown in Figure 1, be provided with a bolt becket bridle 11 on the support ring body 2 of lens cap, be connected with a connection cord 4 on this bolt becket bridle 11, this connection cord 4 can link to each other lens cap with camera lens 5, like this, lens cap just can hang on the camera and can install at any time and win.
The utility model had both had the function of common lens lid; effective len and eyeglass; has white balance adjustment function again; when photography, measure the white balance numerical value of scenery; thereby accurately reduce the scenery color, effectively overcome under the situation of complicated light ccd sensor and can't accurately reduce the defective of color.
Claims (4)
1. white balance adjustment lens cap, it is characterized in that: it comprises a white plates light penetrating object and a support ring body, the both ends open place of this support ring body respectively is provided with one and fastens interface, and this supports ring body and fastens with white plates light penetrating object and camera lens respectively by these two fastening interfaces.
2. lens cap according to claim 1 is characterized in that: described white plates light penetrating object and described support ring body are the integrated through injection molding moulding.
3. lens cap according to claim 1, it is characterized in that: described lens cap comprises that also connects a ring body, one end opening place of this connection ring body is provided with one and fastens the rim of the mouth, this fastening interface that fastens rim of the mouth and described support ring body one end opening place fastens, the other end opening part of this connection ring body is provided with screw thread, and this screw thread is used for being threaded with camera lens.
4. according to each described lens cap in the claim 1 to 3, it is characterized in that: described support ring body is provided with a bolt becket bridle, is connected with a connection cord on this bolt becket bridle, and this connection cord is used to make lens cap to link to each other with camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201494894U CN201060357Y (en) | 2007-06-06 | 2007-06-06 | Lens cap for white balance adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201494894U CN201060357Y (en) | 2007-06-06 | 2007-06-06 | Lens cap for white balance adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060357Y true CN201060357Y (en) | 2008-05-14 |
Family
ID=39408839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201494894U Expired - Fee Related CN201060357Y (en) | 2007-06-06 | 2007-06-06 | Lens cap for white balance adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060357Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2182409A1 (en) * | 2008-10-30 | 2010-05-05 | Chung-Ho Jim Lee | Camera cap with a white balance insert |
| CN104038673A (en) * | 2013-11-21 | 2014-09-10 | 南京理工大学 | Camera color acquisition viewing structure |
| CN104581104A (en) * | 2013-10-29 | 2015-04-29 | 吴福吉 | White balance color temperature measurement device for image pick-up devices |
| CN104778938A (en) * | 2014-01-09 | 2015-07-15 | 吴福吉 | White balance unit of display |
| WO2015131301A1 (en) * | 2014-03-07 | 2015-09-11 | 吴福吉 | Sleeve direction-type white balance filter |
| TWI514871B (en) * | 2013-12-31 | 2015-12-21 |
-
2007
- 2007-06-06 CN CNU2007201494894U patent/CN201060357Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2182409A1 (en) * | 2008-10-30 | 2010-05-05 | Chung-Ho Jim Lee | Camera cap with a white balance insert |
| CN104581104A (en) * | 2013-10-29 | 2015-04-29 | 吴福吉 | White balance color temperature measurement device for image pick-up devices |
| CN104038673A (en) * | 2013-11-21 | 2014-09-10 | 南京理工大学 | Camera color acquisition viewing structure |
| TWI514871B (en) * | 2013-12-31 | 2015-12-21 | ||
| CN104778938A (en) * | 2014-01-09 | 2015-07-15 | 吴福吉 | White balance unit of display |
| WO2015131301A1 (en) * | 2014-03-07 | 2015-09-11 | 吴福吉 | Sleeve direction-type white balance filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20150606 |
|
| EXPY | Termination of patent right or utility model |