CN2511993Y

CN2511993Y - Camera lens

Info

Publication number: CN2511993Y
Application number: CN 01259951
Authority: CN
Inventors: 翁楚麟
Original assignee: Golden Bridge Electech Inc
Current assignee: Golden Bridge Electech Inc
Priority date: 2001-08-21
Filing date: 2001-08-21
Publication date: 2002-09-18
Anticipated expiration: 2011-08-21

Abstract

The utility model discloses a camera lens comprising a light-dividing device, a first lens, a first medium, a second lens, a second medium and a control plate, wherein the light-dividing device is a light-dividing lens; the first medium is a negative of traditional camera; the second medium is a sensitization element of traditional camera, such as a charge coupled cell, a camera electron tube or a recording medium of supplemental oxidation metal semiconductor. Beam is cast on the first medium and the second medium for imaging record through the light-dividing device so as to play the role of traditional camera and digital cameral; the beam after passing by the light-dividing device is controlled by the control plate so as to realize interchangeable use of traditional camera and digital cameral.

Description

Camera lens

Technical field

The utility model relates to a kind of camera, more particularly, relates to and a kind ofly utilizes light-dividing device to make to enter into the light in the camera can be used by traditional camera and digital camera, and reach the camera lens that traditional camera and digital camera use simultaneously or select to use.

Background technology

With the passage of time, can keep the fine moment here is people's dreams in the heart with things always, in order to satisfy people's demand, camera miscellaneous just arises, utilize camera just with various scenery and phenomenon image on sensitive film (being generally film), and employed photographic goods are generally camera, abbreviate camera as.Wherein, the product that attracts people's attention most should be a digital camera, and digital camera has been inherited light and handy, the portable function of traditional camera, adds the advantage that does not need egative film and needn't wash, its market development potentiality richness.

As shown in Figure 1, early stage camera is that the artist is engaged in a kind of instrument of painting from life, it mainly is to offer a pin hole (Pin Hold) on an airtight camera bellows, when the light in the external world enters in the camera bellows through pin hole, extraneous scenery can be owing to present inverted image under the optical principle of pinhole imaging system in camera bellows, at this moment, if place sensitive film, just can produce photosensitization and stay latent image at the inverted image place.

The camera at initial stage is to utilize the pinhole imaging system principle and design, but faint and imaging is unclear in view of the light transmission capacity of pin hole, not only want prolonging exposure time when taking pictures, and imaging is also unintelligible.After this, when the optically focused effect that it is found that convex lens and imaging capability are more outstanding than pin hole, just replace pin hole, and add the aperture of control light quantity, thereby form modern camera at the rear side of convex lens with convex lens.

Digital camera is a traditional camera and the combining of scanner, and its principle and traditional camera almost have no difference, and are equally to utilize optical lens the light of object reflection to be focused on the inside of camera.Its difference is the media difference that sees through, and traditional camera is to utilize light to be subjected to light by the emulsion of egative film, makes the image record on egative film, and this egative film is generally the silver bromide sheet, needs just can show the image that human eye can be seen through development, anxious system and fixing; And digital camera is to utilize charge coupled cell (Charge Coupled Device, CCD) or complementarity matal-oxide semiconductor (Complmmentary Metal-OxideSeniconductor, CMOS) light that object reflected being converted to digital code information and being stored on memory chip (RAM) or the Portable PC card, is exactly to become the imaging material that can watch at any time if it is read out.

The pixel that traditional camera is taken the photo that comes is about 1.2～1.4M or with higher, therefore photo is comparatively exquisite, but the transmission of watching or make a video recording that being unfavorable for makes a video recording at any time, and the pixel of the photo that digital camera is taken is low, be about 640 * 480 or 800 * 600, therefore, be easy to the image transmission and watch fast, print, yet the exquisite degree of its photo is comparatively inferior.Traditional camera and digital camera are at it separately under the behaviour in service of relative merits and difference in functionality, the user can carry two kinds of cameras simultaneously so that use under different situations, but carrying two kinds of cameras is not to be long-term plan, because it carries inconvenience, and need to change, use also inconvenient.

Summary of the invention

For this reason, the camera lens in the utility model mainly is can not use the inconvenience that is brought simultaneously in order to solve above-mentioned traditional camera and digital camera.

Camera lens in the utility model includes the light-dividing device that the light that enters camera can be divided into first light and second light, wherein, projection position at first light is provided with first lens, first media that is provided with the projection that can accept first light and notes down at the follow-up position of these first lens; Projection position at second light is provided with second lens, second media that is provided with the projection that can accept second light and notes down at the follow-up position of these second lens.

Wherein, described first lens and second lens are convex lens or compound lens, and wherein compound lens are made of the multi-disc convex lens.

Wherein, described first media is a sensitive film, and this sensitive film is the silver bromide sheet.

Wherein, described second media is charge coupled cell, shooting vacuum tube or complementarity matal-oxide semiconductor.

In addition, described light-dividing device includes a spectroscope, and this light-dividing device also is provided with the control catch that can control the first ray cast direction at the relative first lens place.

Camera lens in the utility model is projected on first media and second media respectively light and record by imaging by means of light-dividing device, reach the function of using traditional camera and digital camera simultaneously, and, further reach traditional camera and digital camera and exchange the function of using by means of controlling catch to controlling via the light behind the light-dividing device.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the utility model is described in detail.

Fig. 1 is the basic image-forming principle synoptic diagram of camera;

Fig. 2 is the structural representation of camera lens in the utility model.

Specific embodiment

As shown in Figure 2, the camera lens in the utility model includes a light-dividing device 10, first lens 20, first media 30, second lens 40 and second media 50.Wherein, light-dividing device 10 includes a spectroscope (or beam divider) 11, and to enter into camera inner and when seeing through spectroscope 11 when light 61 that external object reflected, and spectroscope 11 is divided into first light 21 and second light 41 with the light that enters.Wherein, first light 21 is through first lens 20, and in first media 30 record by imaging; Second light 41 is through second lens 40, and in second media 50 record by imaging.

Wherein, first lens 20 and second lens 40 can be independent convex lens, also can be compound lens, and compound lens are made up of the multi-disc convex lens, can improve the quality of image.First media 30 is a sensitive film, and this sensitive film is the silver bromide sheet, and this silver bromide sheet can make particle produce chemical change after sensitization, after making and order the shadow process image is being changed into the visible image of human eye via development, urgency.Second media 50 is charge coupled cell (Charge Coupled Device, CCD), straight blank pipe of shooting or complementarity matal-oxide semiconductor (Complmmentary Metal-Oxide Seniconductor, CMOS), it is that light that object is reflected converts digital code information to and is stored in after compression on memory chip (RAM) or the Portable PC card.

In addition, light-dividing device 10 is being provided with a control catch 70 with respect to first lens, 20 places, and this control catch 70 can be controlled first lens 20 on first light, 21 projecting directions separately.When control catch 70 when opening, light 61 makes first light 21 invest first lens 20 via light-dividing device 10, and on first media 30 record by imaging; When control catch 70 by and when closing, light 61 can't form first light 21 and projection to first lens 20 blocking via light-dividing device 10 back Be Controlled catch 70, realizes the unlatching of traditional camera or closes by means of control catch 70.

The operation of digital camera is controlled by a traditional switch (not shown), when the switch of opening digital camera and closing control catch 70, has only 41 projections of second light to second lens 40, and promptly digital camera uses separately.When opening this control catch 70, when closing the switch (promptly not starting the switch of digital camera) of digital camera, have only the projection of first light 21 to first lens 20, and on first media 30 record by imaging, promptly traditional camera uses separately.When opening the switch of control catch 70 and startup digital camera simultaneously, first light 21 and second light 41 in first media 30 and second media, 50 record by imaging, use traditional camera and digital camera respectively simultaneously.

In sum, the camera lens in the utility model can make the light that enters camera inside be used by traditional camera and digital camera, and to use the advantage that can collect traditional camera and digital camera behind this camera lens be one, has certain novelty.

In addition; above-mentionedly only a preferred embodiment of camera lens in the utility model is illustrated; can not be as protection domain of the present utility model; equivalence on every shape, structure and feature of being made according to the design spirit of camera lens in the utility model changes or modifies, and all should think that falling into the utility model has protection domain.

Claims

1. camera lens, comprise the light-dividing device that the light that enters camera can be divided into first light and second light, it is characterized in that: the projection position at first light is provided with first lens, first media that is provided with the projection that can accept first light and notes down at the follow-up position of these first lens; Projection position at second light is provided with second lens, second media that is provided with the projection that can accept second light and notes down at the follow-up position of these second lens.

2. according to the camera lens described in the claim 1, it is characterized in that: described first lens are convex lens or compound lens.

3. according to the camera lens described in the claim 1, it is characterized in that: described second lens are convex lens or compound lens.

4. according to the camera lens described in claim 2 or 3, it is characterized in that: described compound lens are made of the multi-disc convex lens.

5. according to the camera lens described in the claim 1, it is characterized in that: described first media is a sensitive film.

6. according to the camera lens described in the claim 5, it is characterized in that: described sensitive film is the silver bromide sheet.

7. according to the camera lens described in the claim 1, it is characterized in that: described second media is charge coupled cell, shooting vacuum tube or complementarity matal-oxide semiconductor.

8. according to the camera lens described in the claim 1, it is characterized in that: described light-dividing device includes a spectroscope.

9. according to the camera lens described in the claim 1, it is characterized in that: described light-dividing device is provided with the control catch that can control the first ray cast direction at the relative first lens place.