CN204256253U - A kind of slr camera silent frame overlength Zoom optical exchanges camera lens - Google Patents
A kind of slr camera silent frame overlength Zoom optical exchanges camera lens Download PDFInfo
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- CN204256253U CN204256253U CN201420792952.7U CN201420792952U CN204256253U CN 204256253 U CN204256253 U CN 204256253U CN 201420792952 U CN201420792952 U CN 201420792952U CN 204256253 U CN204256253 U CN 204256253U
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- camera lens
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Abstract
The utility model relates to the camera lens in optical field, slr camera silent frame overlength Zoom optical exchanges a camera lens specifically, and this exchange camera lens comprises front fixing group, the front light shield fixed the zoom group organized and connect the cam set of zoom group, the compensating group connecting cam set, the Connection Block of connection compensating group, rear fixing group of connection Connection Block and be connected to the front fixing group other end of connection.The longest overlength focal length reaching 1600mm of this lens focus, also can adapt to focal length silent frame camera lens in zoom simultaneously, cost is low, the dark welcome by numerous shutterbugs, it relates generally to the fields such as applied optics, optics cold processing technique, optical coating technology, optical detective technology and Machining Technology.
Description
Technical field
The utility model relates to the camera lens in optical field, a kind of slr camera silent frame overlength Zoom optical exchanges camera lens specifically, the longest overlength focal length reaching 1600mm of this lens focus, also can adapt to focal length silent frame camera lens in zoom, it relates generally to the fields such as applied optics, optics cold processing technique, optical coating technology, optical detective technology and Machining Technology simultaneously.
Background technology
1, common in the market long zoom lens focal length is 650mm-1300mm, and be 2 times of zooms, longest focal length is only 1300mm.
2, market also has focal length can reach the overlength zoom lens of 1600mm, through investigation, its cost and retail price are very high, and too high cost and retail price make the long-time rare people of the high quality of products of this burnt section make inquiries.
3, shutterbugs and tourism visitor, when doing product and field shooting, especially bird or some insects is run into, often run into the situation that burnt section is inadequate or resolution is too low, camera lens perfection of the present invention solves this problem, and the burnt section of overlength zoom of 500mm-1600mm is enough to ensure that shutterbugs and tourism visitor can take good works.
Summary of the invention
The purpose of this utility model to provide a kind of slr camera silent frame overlength Zoom optical to exchange camera lens, the longest overlength focal length reaching 1600mm of this lens focus, also can adapt to focal length silent frame camera lens in zoom, cost is low simultaneously, the dark welcome by numerous shutterbugs.
The purpose of this utility model is achieved in that this exchange camera lens comprises front fixing group, the front light shield fixed the cam set of the zoom group connection zoom group of group, the compensating group connecting cam set, the Connection Block of connection compensating group, rear fixing group of connection Connection Block and fix the group other end before being connected to of connection.
Before described, fixing group is assembled by frame, connecting cylinder, object lens after-frame, the first lens and the second lens before object lens and is formed, wherein the first lens are whole optical system first eyeglass, to be arranged on before object lens in frame, radius-of-curvature is respectively 147.32 and 552.3, and frame before object lens and object lens after-frame link together by connecting cylinder; Second lens are gummed group, are arranged in object lens after-frame, and radius-of-curvature is respectively 374.45,73.1 and 458.
Described cam set is by zoom urceolus, and zoom cam and the assembling of zoom inner core are formed, and wherein zoom inner tube installation is inside zoom cam, zoom inner core) be arranged on inside zoom urceolus.
Described zoom group is made up of zoom picture frame and the 3rd lens, and wherein the 3rd lens are arranged in zoom picture frame, and its radius-of-curvature is respectively 132.125 and 1350.
Described compensating group is by compensating picture frame and the 4th lens form, and wherein the 4th lens are arranged on and compensate in picture frame, and wherein the radius-of-curvature of eyeglass is respectively 498.83,69.08 and 168.63.
Described Connection Block is assembled formed by zoom Connection Block, front guide ring, rear guide ring, supporting plate, and wherein front guide ring and rear guide ring are arranged on zoom Connection Block, and supporting plate is connected on front guide ring and rear guide ring.
Described rear fixing group of focal length cylinder, interface urceolus, instruction lock ring, rear fixing arrangement of mirrors frame, bayonet socket and the 5th lens composition, wherein interface urceolus is arranged on outside focal length cylinder, instruction lock ring is arranged on interface urceolus, rear fixing arrangement of mirrors frame is arranged on focal length cylinder, bayonet socket is arranged on interface urceolus, and the 5th eyeglass is arranged in rear fixing arrangement of mirrors frame; 5th eyeglass is gummed group, and radius-of-curvature is respectively 75.78,41.54 and plane.
The advantage that the present invention has and beneficial effect:
1, the utility model product focal length is 500mm-1600mm, and be 3 times of zoom system, pancreatic systems, longest focal length reaches 1600mm, and not only zooming range increases, and maximum focal length also will be grown much simultaneously, makes the purposes of camera lens more extensive.
2, the utility model product is through constantly debugging and change, greatly reduces cost, and through investigation, its cost and retail price are about the 1/3-1/5 of conventional products on market doubly, make vast shutterbugs can buy this series products with extremely low price.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is the exploded view of each parts in the utility model Fig. 1.
Fig. 3 is the utility model fixing group part-structure schematic diagram.
Fig. 4 is the utility model cam set part-structure schematic diagram.
Fig. 5 is the utility model zoom group part-structure schematic diagram.
Fig. 6 is the utility model compensating group part-structure schematic diagram.
Fig. 7 is the utility model Connection Block part-structure schematic diagram.
Fig. 8 is fixing group part-structure schematic diagram after the utility model.
Embodiment
Shown in accompanying drawing 1,2: this exchange camera lens comprises front fixing group 1, connect the zoom group 3 of front fixing group 1 connect zoom group 3 cam set 2, connect cam set 2 compensating group 4, connect compensating group 4 Connection Block 5, connect rear fixing group 6 of Connection Block 5 and before being connected to, fix the light shield 7 of group 1 other end.
Shown in accompanying drawing 3: before described, fixing group 1 is assembled by frame 1-1, connecting cylinder 1-2, object lens after-frame 1-3, the first lens 1-4 and the second lens 1-5 before object lens and formed, wherein the first lens 1-4 is whole optical system first eyeglass, to be arranged on before object lens in frame 1-1, radius-of-curvature is respectively 147.32 and 552.3, and its Main Function enters whole optical system for collecting light; Frame 1-1 before object lens and object lens after-frame 1-3 links together by connecting cylinder 1-2; Second lens 1-5 is gummed group, and be arranged in object lens after-frame 1-3, radius-of-curvature is respectively 374.45,73.1 and 458, and its Main Function is achromatism and second order spectrum.
Shown in accompanying drawing 4: described cam set 2 is assembled by zoom urceolus 2-1, zoom cam 2-2 and zoom inner core 2-3 and formed, and wherein zoom inner core 2-3 is arranged on inside zoom cam 2-2, and zoom inner core 2-2 is arranged on inside zoom urceolus 2-1; Cam set 2 mass action is by zoom urceolus 2-1, rotates zoom inner core 2-2 cam, zoom group 2 is moved forward and backward with compensating group 4, changes focal length.
Shown in accompanying drawing 5: described zoom group 3 is made up of zoom picture frame 3-1 and the 3rd lens 3-2, wherein the 3rd lens 3-2 is arranged in zoom picture frame 3-1, its radius-of-curvature is respectively 132.125 and 1350, and zoom group 3 Main Function is by movable, changes the focal length of camera lens.
Shown in accompanying drawing 6: described compensating group 4 is made up of compensation picture frame 4-1 and the 4th lens 4-2, wherein the 4th lens 4-2 is arranged on and compensates in picture frame 4-1, wherein the radius-of-curvature of eyeglass is respectively 498.83,69.08 and 168.63, its Main Function is, moves produced aberration by movable compensation zoom group.
Shown in accompanying drawing 7: described Connection Block 5 is assembled by zoom Connection Block 5-1, front guide ring 5-2, rear guide ring 5-3, supporting plate 5-4 and formed, wherein front guide ring 5-2 and rear guide ring 5-3 is arranged on zoom Connection Block 5-1, supporting plate 5-4 is connected on front guide ring 5-2 and rear guide ring 5-3, its overall Main Function connects tripod, makes camera lens be in steady state (SS).
Shown in accompanying drawing 8: described latter fixing group 6 is made up of focal length cylinder 6-1, interface urceolus 6-2, instruction lock ring 6-3, rear fixing arrangement of mirrors frame 6-4, bayonet socket 6-5 and the 5th lens 6-6, wherein interface urceolus 6-2 is arranged on outside focal length cylinder 6-1, instruction lock ring 6-3 is arranged on interface urceolus 6-2, rear fixing arrangement of mirrors frame 6-4 is arranged on focal length cylinder 6-1, bayonet socket 6-5 is arranged on interface urceolus 6-2, and the 5th eyeglass 6-6 is arranged in rear fixing arrangement of mirrors frame 6-4; 5th eyeglass 6-6 is gummed group, and radius-of-curvature is respectively 75.78,41.54 and plane, Main Function be adjustment camera lens back work distance from.
Shown in accompanying drawing 2: described light shield 7 Main Function can effectively carry out blocking light under high light state or under backlight state, makes shooting effect be unlikely to bleach.
Its camera lens bayonet socket of the present invention can introduce electronics focusing prompting technology, aspheric surface technology can be introduced in appropriate circumstances or with low dispersion, image quality is improved further, critical component can adopt foundry goods, replace the mode that several part is connected, overall assembly precision can be improved.
Claims (7)
1. slr camera silent frame overlength Zoom optical exchanges a camera lens, it is characterized in that: this exchange camera lens comprises front fixing group (1), connects the cam set (2) of the zoom group (3) connection zoom group (3) of front fixing group (1), connects the compensating group (4) of cam set (2), connects the Connection Block (5) of compensating group (4), connects rear fixing group (6) of Connection Block (5) and fix the light shield (7) of group (1) other end before being connected to.
2. a kind of slr camera silent frame overlength Zoom optical exchanges camera lens according to claim 1, it is characterized in that: before described, fixing group (1) is assembled by frame before object lens (1-1), connecting cylinder (1-2), object lens after-frame (1-3), the first lens (1-4) and the second lens (1-5) and formed, wherein the first lens (1-4) are whole optical system first eyeglass, before being arranged on object lens, frame (1-1) is inner, radius-of-curvature is respectively 147.32 and 552.3, and frame before object lens (1-1) and object lens after-frame (1-3) link together by connecting cylinder (1-2); Second lens (1-5) are gummed group, it is inner to be arranged on object lens after-frame (1-3), and radius-of-curvature is respectively 374.45,73.1 and 458.
3. a kind of slr camera silent frame overlength Zoom optical exchanges camera lens according to claim 1, it is characterized in that: described cam set (2) is by zoom urceolus (2-1), zoom cam (2-2) and zoom inner core (2-3) assembling are formed, wherein zoom inner core (2-3) is arranged on zoom cam (2-2) the inside, and zoom inner core (2-2) is arranged on zoom urceolus (2-1) the inside.
4. a kind of slr camera silent frame overlength Zoom optical exchanges camera lens according to claim 1, it is characterized in that: described zoom group (3) is made up of zoom picture frame (3-1) and the 3rd lens (3-2), wherein to be arranged on zoom picture frame (3-1) inner for the 3rd lens (3-2), and its radius-of-curvature is respectively 132.125 and 1350.
5. a kind of slr camera silent frame overlength Zoom optical exchanges camera lens according to claim 1, it is characterized in that: described compensating group (4) is made up of compensation picture frame (4-1) and the 4th lens (4-2), wherein the 4th lens (4-2) be arranged on compensate picture frame (4-1) inner, wherein the radius-of-curvature of eyeglass is respectively 498.83,69.08 and 168.63.
6. a kind of slr camera silent frame overlength Zoom optical exchanges camera lens according to claim 1, it is characterized in that: described Connection Block (5) is assembled formed by zoom Connection Block (5-1), front guide ring (5-2), rear guide ring (5-3), supporting plate (5-4), wherein front guide ring (5-2) and rear guide ring (5-3) are arranged on zoom Connection Block (5-1), and supporting plate (5-4) is connected on front guide ring (5-2) and rear guide ring (5-3).
7. a kind of slr camera silent frame overlength Zoom optical exchanges camera lens according to claim 1, it is characterized in that: described rear fixing group (6) are by focal length cylinder (6-1), interface urceolus (6-2), instruction lock ring (6-3), rear fixing arrangement of mirrors frame (6-4), bayonet socket (6-5) and the 5th lens (6-6) composition, wherein interface urceolus (6-2) is arranged on focal length cylinder (6-1) outward, instruction lock ring (6-3) is arranged on interface urceolus (6-2), rear fixing arrangement of mirrors frame (6-4) is arranged on focal length cylinder (6-1), bayonet socket (6-5) is arranged on interface urceolus (6-2), it is inner that 5th eyeglass (6-6) is arranged on rear fixing arrangement of mirrors frame (6-4), 5th eyeglass (6-6) is gummed group, and radius-of-curvature is respectively 75.78,41.54 and plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792952.7U CN204256253U (en) | 2014-12-16 | 2014-12-16 | A kind of slr camera silent frame overlength Zoom optical exchanges camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792952.7U CN204256253U (en) | 2014-12-16 | 2014-12-16 | A kind of slr camera silent frame overlength Zoom optical exchanges camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204256253U true CN204256253U (en) | 2015-04-08 |
Family
ID=52960543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420792952.7U Expired - Fee Related CN204256253U (en) | 2014-12-16 | 2014-12-16 | A kind of slr camera silent frame overlength Zoom optical exchanges camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204256253U (en) |
-
2014
- 2014-12-16 CN CN201420792952.7U patent/CN204256253U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changchun Huachen Photoelectric Technology Co., Ltd. Assignor: Meng Fanyou Contract record no.: 2015220000027 Denomination of utility model: Digital single-lens reflex camera full frame ultra-long zooming optical exchange lens Granted publication date: 20150408 License type: Exclusive License Record date: 20150702 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |