CN217425811U - Angle-adjustable zoom lens - Google Patents
Angle-adjustable zoom lens Download PDFInfo
- Publication number
- CN217425811U CN217425811U CN202221459583.0U CN202221459583U CN217425811U CN 217425811 U CN217425811 U CN 217425811U CN 202221459583 U CN202221459583 U CN 202221459583U CN 217425811 U CN217425811 U CN 217425811U
- Authority
- CN
- China
- Prior art keywords
- focusing
- group
- lens
- light
- hole
- 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.)
- Active
Links
Images
Abstract
The utility model provides an angle-adjustable zoom lens, which is arranged on an LED imaging lamp, one end inside the LED imaging lamp is provided with a light through hole, and the zoom lens comprises a fixed group, a focusing group, an objective lens group and an amplifying group; the fixed group is arranged close to the light through hole, one end of the fixed group, which is far away from the light through hole, is provided with a focusing group, the objective lens group is arranged far away from the light through hole, and an amplifying group is arranged between the focusing group and the objective lens group; the caliber of the amplifying group is larger than that of the focusing group; because be provided with fixed group before focusing group for light through logical unthreaded hole is earlier diffused then is gathered together, then is focusing through focusing group, just so makes and enlargies the processing before the focusing, thereby makes the output angle big, simultaneously because the bore of enlarging group is greater than focusing group, thereby makes more light through focusing group enter into and enlarge the group, further makes the output angle big.
Description
Technical Field
The utility model relates to an optical lens technical field zooms, concretely relates to angle regulation's zoom lens.
Background
The imaging lamp is also called a molded lamp or a spotlight. The light beam angles can be selected according to requirements, and the main characteristic is that the light spots can be cut into various shapes such as squares, diamonds and triangles like a slide show or required patterns can be projected. It is widely applied to occasions such as stage performance scenery, studio and studio.
The light sources used by high-power LED imaging lamps in the current market are generally divided into two types: the light source adopts an LED integrated COB light source, and the light source has high concentration, difficult heat treatment and small general power. The other type of light source adopts a distributed LED light source, the distance between chips of the light source is large, and heat treatment is simple, so that the light source can be used for a high-power LED imaging lamp scheme. The lens is one of important parts in the imaging lamp, plays an important role in the aspects of imaging effect and the like of the imaging lamp, however, most of high-power LED imaging lamps in the market adopt an aspheric lens design scheme produced by foreign companies, the processing precision of the scheme on the aspheric lens surface of the lens is high, the production cost is high, or the imaging effect of the lens is poor due to insufficient processing precision, the processing precision of the scheme on the aspheric lens surface is high, the production cost is high, or the imaging effect of the lens is poor due to insufficient processing precision.
In addition, as the chinese patent application No. CN201922373064.7, published as 2020.07.24, it discloses an LED imaging lamp with high brightness and uniform light condensation, and specifically discloses an LED imaging lamp including a housing, an imaging barrel assembly is disposed at one end of the housing, a reflector barrel assembly is disposed at one end of the imaging barrel assembly away from the housing, a convex lens i and a concave lens are disposed close to a light source when the LED imaging lamp is in a dark state, a convex lens ii is disposed at a connection portion between the imaging barrel assembly and the reflector barrel assembly, the imaging lamp is clearer and has higher brightness by using a plurality of groups of convex lenses and concave lenses in cooperation, but the structure focuses light through the convex lens i, disperses the light through the concave lens i and finally condenses the light through the convex lens ii again without considering the problem of focusing, and at the same time, the focusing is performed only through the convex lenses twice and the divergence of the concave lenses, and the imaging effect is not effectively clear.
Disclosure of Invention
The utility model provides an angle regulation's zoom lens, through the utility model discloses a zoom lens adapts to high-power LED imaging lamp, and it is clear to form images, and it is big to export the effect scope simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that: the zoom lens is arranged in an LED imaging lamp, a light through hole is formed in one end inside the LED imaging lamp, and the other end inside the LED imaging lamp is provided with the zoom lens, wherein the zoom lens comprises a fixed group, a focusing group, an objective lens group and an amplifying group; the fixed group is arranged close to the light through hole, one end of the fixed group, which is far away from the light through hole, is provided with a focusing group, the objective lens group is arranged far away from the light through hole, and an amplifying group is arranged between the focusing group and the objective lens group; the distance between the light through hole and the objective lens group is 370mm-390 mm; the fixed group comprises a first fixed mirror; the focusing group comprises a first focusing lens, a second focusing lens and a third focusing lens, the first focusing lens is arranged close to the light through hole, and the third focusing lens is arranged far away from the light through hole; a second focusing lens is arranged between the first focusing lens and the third focusing lens; the magnifying set comprises a first magnifying lens; the objective lens group comprises a first objective lens; the first fixed lens, the first focusing lens, the second focusing lens, the third focusing lens, the first magnifier and the first objective lens are spherical lenses; the aperture of the objective lens group is larger than that of the amplifying group, the aperture of the amplifying group is larger than that of the focusing group, and the aperture of the focusing group is larger than or equal to that of the fixed group; the end face, close to the light through hole, of the first fixed mirror is a first fixed concave face, and the end face, far away from the light through hole, of the first fixed mirror is a first fixed convex face; the end face of the first focusing lens, which is close to the light through hole, is a first focusing concave face, and the end face of the first focusing lens, which is far away from the light through hole, is a second focusing concave face; the end face of the second focusing lens, which is close to the light through hole, is a first focusing convex face, the end face of the second focusing lens, which is far away from the light through hole, is a second focusing convex face, and the first focusing convex face is embedded into the second focusing concave face; the terminal surface that third focusing mirror is close to logical unthreaded hole is the third convex surface of focusing, and the terminal surface that third focusing mirror kept away from logical unthreaded hole is the fourth convex surface of focusing, the top of the convex surface of third focusing contacts the setting with the top of the convex surface of second focusing.
Furthermore, the end face of the first objective lens, which is close to the light through hole, is a concave face of the first objective lens, the end face of the first objective lens, which is far away from the light through hole, is a convex face of the second objective lens, and the aperture of the first objective lens is 150mm-160 mm; the curvature radius of the concave surface of the first objective lens is 600mm-650 mm; the curvature radius of the convex surface of the second objective lens is 140mm-150 mm.
Further, the caliber of the first objective lens is 152 mm; the curvature radius of the concave surface of the first objective lens is 623 mm; the radius of curvature of the convex surface of the second objective lens is 149 mm.
Furthermore, the end face, close to the light through hole, of the first magnifier is a first amplification concave face, and the end face, far away from the light through hole, of the first magnifier is a second amplification concave face; the caliber of the first magnifier is 100mm-110 mm; the curvature radius of the first amplification concave surface is 150mm-160 mm; the curvature radius of the second amplifying concave surface is 180mm-190 mm.
Further, the caliber of the first magnifier is 108 mm; the radius of curvature of the first enlarged concave surface is 158 mm; the radius of curvature of the second enlarged concave surface is 188 mm.
Further, the aperture of the first focusing lens is 80mm-90 mm; the curvature radius of the first focusing concave surface is 190-200 mm, and the curvature radius of the second focusing concave surface is 100-110 mm; the aperture of the second focusing lens is 80-90 mm; the curvature radius of the first focusing convex surface is 100mm-110 mm; the curvature radius of the second focusing convex surface is 80-90 mm; the aperture of the third focusing lens is 85mm-95 mm; the curvature radius of the third focusing convex surface is 130mm-140 mm; the curvature radius of the fourth focusing convex surface is 350mm-360 mm.
Further, the aperture of the first focusing lens is 88 mm; the radius of curvature of the first focusing concave surface is 192mm, and the radius of curvature of the second focusing concave surface is 105 mm; the aperture of the second focusing lens is 88 mm; the curvature radius of the first focusing convex surface is 105 mm; the curvature radius of the second focusing convex surface is 87 mm; the aperture of the third focusing lens is 94 mm; the curvature radius of the third focusing convex surface is 133 mm; the radius of curvature of the fourth focusing convex surface is 355 mm.
Further, the caliber of the first fixed mirror is 80mm-100 mm; the curvature radius of the first fixed concave surface is 250mm-260mm, and the curvature radius of the first fixed convex surface is 90mm-100 mm.
Further, the caliber of the first fixed mirror is 88 mm; the radius of curvature of first fixed concave surface is 252mm, and the radius of curvature of first fixed convex surface is 91 mm.
Further, the distance between the light through hole and the objective lens group is 380 mm; the distance between the light through hole and the fixed group is 30-40 mm; the distance between the focusing group and the fixing group is 100-110 mm; the distance between the magnifying set and the objective lens set is 12mm-90 mm.
More than setting up, owing to be provided with the first fixed mirror that has the concave-convex face before focusing group for light through logical unthreaded hole is diffused earlier then is gathered together, then is focusing through focusing group, just so makes and enlargies the processing before focusing, thereby makes output angle big, simultaneously because the bore of enlarging group is greater than focusing group, thereby makes more light through focusing group enter into and enlarge the group, further makes output angle big.
Drawings
Fig. 1 is a schematic structural diagram of a zoom lens according to the present invention.
Fig. 2 is a schematic view of a first field of view in embodiment 1 of the present invention.
Fig. 3 is a schematic diagram of a second field of view in embodiment 1 of the present invention.
Fig. 4 is a schematic view of a circle of confusion in embodiment 1 of the present invention.
Fig. 5 is a schematic view of a third field of view in embodiment 2 of the present invention.
Fig. 6 is a schematic view of a fourth field of view in embodiment 2 of the present invention.
Fig. 7 is a schematic view of a circle of confusion in embodiment 2 of the present invention.
Fig. 8 is a schematic view of a fifth field of view in embodiment 3 of the present invention.
Fig. 9 is a schematic view of a sixth field of view in embodiment 3 of the present invention.
Fig. 10 is a schematic view of a circle of confusion in embodiment 3 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1.
As shown in fig. 1, an angle-adjustable zoom lens is arranged in an LED imaging lamp (not shown in the figure), an optical aperture 10 is arranged at one end inside the LED imaging lamp, and a zoom lens is arranged at the other end inside the LED imaging lamp, and the zoom lens includes a fixed group 2, a focusing group 3, an objective lens group 4 and an amplifying group 5; the fixed group 2 is arranged close to the light through hole 10, a focusing group 3 is arranged at one end of the fixed group 2 far away from the light through hole 10, the objective lens group 4 is arranged far away from the light through hole 10, and an amplifying group 5 is arranged between the focusing group 3 and the objective lens group 4; the distance L4 between the light-transmitting hole 10 and the objective lens group 4 is 370mm-390 mm.
In this embodiment, the distance L4 between the light-passing hole 10 and the objective lens group 4 is 380 mm; the diameter of the light through hole 10 is 70mm-80mm, and the emergent angle G is 24-55 degrees; in the present embodiment, the diameter of the light passing hole 10 is 77 mm. The centers of the fixed group, the focusing group, the amplifying group and the objective lens group are positioned on the same straight line, namely an optical axis Q.
The fixed group 2 comprises a first fixed mirror; the focusing group 3 comprises a first focusing lens 31, a second focusing lens 32 and a third focusing lens 33, wherein the first focusing lens 31 is arranged close to the light through hole 10, and the third focusing lens 33 is arranged far away from the light through hole 10; a second focusing mirror 32 is arranged between the first focusing mirror 31 and the third focusing mirror 33; the magnifying group 5 comprises a first magnifying lens; the objective lens group 4 includes a first objective lens; the first fixed lens, the first focusing lens, the second focusing lens, the third focusing lens, the first magnifier and the first objective lens are spherical lenses;
the aperture of the objective lens group 4 is larger than that of the amplifying group 5, the aperture of the amplifying group 5 is larger than that of the focusing group 3, and the aperture of the focusing group 3 is larger than or equal to that of the fixed group 2;
the end face of the first fixed mirror, which is close to the light through hole 10, is a first fixed concave surface 21, and the end face of the first fixed mirror, which is far away from the light through hole 10, is a first fixed convex surface 21;
the end surface of the first focusing lens 31 close to the light through hole 10 is a first focusing concave surface 311, and the end surface of the first focusing lens 31 far away from the light through hole 10 is a second focusing concave surface 312;
the end surface of the second focusing lens 32 close to the light through hole 10 is a first focusing convex surface 321, the end surface of the second focusing lens 32 far from the light through hole 10 is a second focusing convex surface 322, and the first focusing convex surface 321 is embedded into the second focusing concave surface 312;
the end face of the third focusing lens 33 close to the light through hole 10 is a third focusing convex surface 331, the end face of the third focusing lens 33 far away from the light through hole 10 is a fourth focusing convex surface 332, and the top end of the third focusing convex surface 331 is in contact with the top end of the second focusing convex surface 322.
In this embodiment, the first fixed mirror is made of H-K9L optical glass, and has a refractive index of 1.517 and an abbe number of 64.2; the first focusing lens is made of H-F4 optical glass, the refractive index is 1.62, and the dispersion coefficient is 36.3; the second focusing lens is made of H-K9L, the refractive index is 1.517, and the dispersion coefficient is 64.2; the third focusing mirror is made of H-K9L, the refractive index is 1.517, and the dispersion coefficient is 64.2; the first magnifier is made of H-K9L optical glass, the refractive index is 1.517, and the dispersion coefficient is 64.2; the first objective lens is made of H-K9L optical glass, the refractive index is 1.517, and the dispersion coefficient is 64.2.
The end face of the first objective lens, which is close to the light through hole 10, is a first objective lens concave surface 41, the end face of the first objective lens, which is far away from the light through hole 10, is a second objective lens convex surface 42, and the aperture of the first objective lens is 150mm-160 mm; the curvature radius of the concave surface 41 of the first objective lens is 600mm-650 mm; the radius of curvature of the second objective convex surface 42 is 140mm-150 mm.
In this embodiment, the aperture of the first objective lens is 152 mm; the curvature radius of the concave surface 41 of the first objective lens is 623 mm; the radius of curvature of the second objective convex surface 42 is 149 mm.
The end face of the first magnifier, which is close to the light through hole 10, is a first amplification concave surface 51, and the end face of the first magnifier, which is far away from the light through hole 10, is a second amplification concave surface 52; the caliber of the first magnifier is 100mm-110 mm; the curvature radius of the first amplification concave surface 51 is 150mm-160 mm; the radius of curvature of the second enlarged concave surface 52 is 180mm-190 mm.
In the embodiment, the caliber of the first magnifier is 108 mm; the radius of curvature of the first enlarged concave surface 51 is 158 mm; the radius of curvature of the second enlarged concave surface 52 is 188 mm.
The aperture of the first focusing lens 31 is 80mm-90 mm; the curvature radius of the first focusing concave surface 311 is 190mm-200mm, and the curvature radius of the second focusing concave surface 312 is 100mm-110 mm; the aperture of the second focusing lens 32 is 80mm-90 mm; the curvature radius of the first focusing convex surface 321 is 100mm-110 mm; the curvature radius of the second focusing convex surface 322 is 80mm-90 mm; the aperture of the third focusing lens 33 is 85mm-95 mm; the radius of curvature of the third focusing convex surface 331 is 130mm-140 mm; the curvature radius of the fourth focusing convex surface 332 is 350mm-360 mm.
In the present embodiment, the aperture of the first focusing lens 31 is 88 mm; the radius of curvature of the first focusing concave surface 311 is 192mm, and the radius of curvature of the second focusing concave surface 312 is 105 mm; the aperture of the second focusing lens 32 is 88 mm; the curvature radius of the first focusing convex surface 321 is 105 mm; the curvature radius of the second focusing convex surface 322 is 87 mm; the aperture of the third focusing lens 33 is 94 mm; the radius of curvature of the third focusing convex surface 331 is 133 mm; the radius of curvature of the fourth convex focusing surface 332 is 355 mm.
The caliber of the first fixed mirror is 80mm-100 mm; the curvature radius of the first fixed concave surface 21 is 250mm-260mm, and the curvature radius of the first fixed convex surface 22 is 90mm-100 mm.
In this embodiment, the aperture of the first fixed mirror is 88 mm; the curvature radius of the first fixing concave surface 21 is 252mm, and the curvature radius of the first fixing convex surface 22 is 91 mm.
The distance L1 between the light through hole 10 and the fixed group 2 is 30mm-40 mm; the distance L2 between the focusing group 3 and the fixed group 2 is 100mm-110 mm; the distance L3 between the magnifying lens group 5 and the objective lens group 4 is 12mm-90 mm.
More than setting up, owing to be provided with the first fixed mirror that has the concave-convex face before focusing group for light through logical unthreaded hole is diffused earlier then is gathered together, then is focusing through focusing group, just so makes and enlargies the processing before focusing, thereby makes output angle big, simultaneously because the bore of enlarging group is greater than focusing group, thereby makes more light through focusing group enter into and enlarge the group, further makes output angle big.
In the present embodiment, the distance L1 between the light passing hole 10 and the fixed group 2 is 30 mm; the distance L2 between the focusing group 3 and the fixed group 2 is 105 mm; the distance L3 between the magnifying lens group 5 and the objective lens group 4 is 12 mm.
Referring to fig. 2-4, a first circle of confusion a1 is a projection of a first field of view a; second circle of confusion b1 is the projection of second visual field b, first circle of confusion a1 and second circle of confusion b1 are the white light process that is formed by blue light, ruddiness and green glow the utility model discloses a circle of confusion radius picture that has the point formation of a plurality of blue lights, ruddiness and green glow on the first circle of confusion radius picture that optical lens later test obtained.
In this embodiment, the central axis of the light of the first field of view a coincides with the optical axis; the second field of view b is located uppermost in the first field of view a, and the distance between the central axis of the light of the second field of view b and the optical axis is 38.500 mm.
In the first circle of confusion a1 and the second circle of confusion b1, the radiuses of the two groups of circles of confusion are small enough, so that the imaging effect is good, and the radius diagrams of the circles of confusion under two different fields of view can be tested to show that the whole optical lens has the characteristic of good imaging effect.
Example 2.
This embodiment differs from embodiment 1 only in that: the distances between the magnifying set and the objective lens set are different; the other structure is the same as that of embodiment 1, because the distance between the magnifying group and the objective lens group is increased, more light rays coming out of the focusing group enter the objective lens group, and the light spot formed after passing through the optical lens is larger than that of embodiment 1, in this embodiment, the distance L1 between the light passing hole 10 and the fixed group 2 is 30 mm; the distance L2 between the focusing group 3 and the fixed group 2 is 105 mm; the distance L3 between the magnifying lens group 5 and the objective lens group 4 is 50 mm.
5-7, a third circle of confusion c1 is a projection of the third field of view c; the fourth circle of confusion d1 is the projection of the fourth field of view d; third circle of confusion c1 and fourth circle of confusion d1 are the white light process that is formed by blue light, ruddiness and green glow the utility model discloses a circle of confusion radius graph that has the point formation of a plurality of blue lights, ruddiness and green glow on the first circle of confusion radius graph that optical lens later test obtained.
In this embodiment, the central axis of the light of the third field of view c coincides with the optical axis; the fourth field of view d is located at the top of the third field of view c, and the distance between the central axis of the light of the fourth field of view d and the optical axis is 38.500 mm.
In the third circle of confusion c1 and the fourth circle of confusion d1, the radiuses of the two groups of circles of confusion are small enough, so that the imaging effect is good, and the radius diagrams of the circles of confusion under two different fields of view can be tested to show that the whole optical lens has the characteristic of good imaging effect.
Example 3.
This embodiment differs from embodiment 1 only in that: the distances between the magnifying set and the objective lens set are different; the other structures are the same as embodiment 1, and the distance between the magnifying set and the objective lens set is increased, so that more light rays coming out of the focusing set enter the objective lens set, and a light spot formed after passing through the optical lens is larger than that in embodiment 2, in this embodiment, the distance L1 between the light through hole 10 and the fixed set 2 is 30 mm; the distance L2 between the focusing group 3 and the fixed group 2 is 105 mm; the distance L3 between the magnifying lens group 5 and the objective lens group 4 is 90 mm.
Referring to fig. 8-10, a fifth circle of confusion e1 is a projection of a fifth field of view e; a sixth circle of confusion f1 is the projection of the sixth field of view f; fifth diffusion circle e1 and sixth diffusion circle f1 are the white light process that is formed by blue light, ruddiness and green glow the utility model discloses a diffusion circle radius picture that has the point formation of a plurality of blue lights, ruddiness and green glow on the first diffusion circle radius picture that the test obtained behind the optical lens.
In this embodiment, the central axis of the light of the fifth field of view e coincides with the optical axis; the fourth field of view f is located at the top of the fifth field of view e, and the distance between the central axis of the light of the sixth field of view f and the optical axis is 38.500 mm.
In the fifth circle of confusion e1 and the sixth circle of confusion f1, the radiuses of the two groups of circles of confusion are small enough, so that the imaging effect is good, and the radius diagrams of the circles of confusion under two different fields of view can be tested to show that the whole optical lens has the characteristic of good imaging effect.
Claims (10)
1. The utility model provides an angle regulation's zoom lens, zoom lens sets up in LED formation of image lamp which characterized in that: one end inside the LED imaging lamp is provided with a light through hole, and the other end inside the LED imaging lamp is provided with a zoom lens, wherein the zoom lens comprises a fixed group, a focusing group, an objective lens group and an amplifying group; the fixed group is arranged close to the light through hole, one end of the fixed group, which is far away from the light through hole, is provided with a focusing group, the objective lens group is arranged far away from the light through hole, and an amplifying group is arranged between the focusing group and the objective lens group; the distance between the light through hole and the objective lens group is 370mm-390 mm; the fixed group comprises a first fixed mirror; the focusing group comprises a first focusing lens, a second focusing lens and a third focusing lens, the first focusing lens is arranged close to the light through hole, and the third focusing lens is arranged far away from the light through hole; a second focusing lens is arranged between the first focusing lens and the third focusing lens; the magnifying set comprises a first magnifying lens; the objective lens group comprises a first objective lens; the first fixed lens, the first focusing lens, the second focusing lens, the third focusing lens, the first magnifier and the first objective lens are spherical lenses;
the aperture of the objective lens group is larger than that of the amplifying group, the aperture of the amplifying group is larger than that of the focusing group, and the aperture of the focusing group is larger than or equal to that of the fixed group;
the end face, close to the light through hole, of the first fixed mirror is a first fixed concave face, and the end face, far away from the light through hole, of the first fixed mirror is a first fixed convex face;
the end face of the first focusing lens, which is close to the light through hole, is a first focusing concave face, and the end face of the first focusing lens, which is far away from the light through hole, is a second focusing concave face;
the end face of the second focusing lens, which is close to the light through hole, is a first focusing convex face, the end face of the second focusing lens, which is far away from the light through hole, is a second focusing convex face, and the first focusing convex face is embedded into the second focusing concave face;
the terminal surface that third focusing mirror is close to logical unthreaded hole is the third convex surface of focusing, and the terminal surface that third focusing mirror kept away from logical unthreaded hole is the fourth convex surface of focusing, the top of the convex surface of third focusing contacts the setting with the top of the convex surface of second focusing.
2. An angle adjustable zoom lens according to claim 1, wherein: the end face of the first objective lens, which is close to the light through hole, is a concave face of the first objective lens, the end face of the first objective lens, which is far away from the light through hole, is a convex face of the second objective lens, and the caliber of the first objective lens is 150mm-160 mm; the curvature radius of the concave surface of the first objective lens is 600mm-650 mm; the curvature radius of the convex surface of the second objective lens is 140mm-150 mm.
3. An angle adjustable zoom lens according to claim 2, wherein: the caliber of the first objective lens is 152 mm; the curvature radius of the concave surface of the first objective lens is 623 mm; the radius of curvature of the convex surface of the second objective lens is 149 mm.
4. An angle adjustable zoom lens according to claim 1, wherein: the end face, close to the light through hole, of the first magnifier is a first amplification concave face, and the end face, far away from the light through hole, of the first magnifier is a second amplification concave face; the caliber of the first magnifier is 100mm-110 mm; the curvature radius of the first amplification concave surface is 150mm-160 mm; the curvature radius of the second amplifying concave surface is 180mm-190 mm.
5. An angle adjustable zoom lens according to claim 4, wherein:
the caliber of the first magnifier is 108 mm; the radius of curvature of the first enlarged concave surface is 158 mm; the radius of curvature of the second enlarged concave surface is 188 mm.
6. An angle adjustable zoom lens according to claim 1, wherein: the aperture of the first focusing lens is 80-90 mm; the curvature radius of the first focusing concave surface is 190-200 mm, and the curvature radius of the second focusing concave surface is 100-110 mm;
the aperture of the second focusing lens is 80-90 mm; the curvature radius of the first focusing convex surface is 100mm-110 mm; the curvature radius of the second focusing convex surface is 80-90 mm;
the aperture of the third focusing lens is 85mm-95 mm; the curvature radius of the third focusing convex surface is 130mm-140 mm; the curvature radius of the fourth focusing convex surface is 350mm-360 mm.
7. An angle adjustable zoom lens according to claim 6, wherein: the aperture of the first focusing lens is 88 mm; the radius of curvature of the first focusing concave surface is 192mm, and the radius of curvature of the second focusing concave surface is 105 mm;
the aperture of the second focusing lens is 88 mm; the curvature radius of the first focusing convex surface is 105 mm; the curvature radius of the second focusing convex surface is 87 mm;
the aperture of the third focusing lens is 94 mm; the curvature radius of the third focusing convex surface is 133 mm; the radius of curvature of the fourth focusing convex surface is 355 mm.
8. An angle adjustable zoom lens according to claim 1, wherein: the caliber of the first fixed mirror is 80mm-100 mm; the curvature radius of the first fixed concave surface is 250mm-260mm, and the curvature radius of the first fixed convex surface is 90mm-100 mm.
9. An angle adjustable zoom lens according to claim 8, wherein: the caliber of the first fixed mirror is 88 mm; the radius of curvature of first fixed concave surface is 252mm, and the radius of curvature of first fixed convex surface is 91 mm.
10. An angle adjustable zoom lens according to claim 1, wherein: the distance between the light through hole and the objective lens group is 380 mm; the distance between the light through hole and the fixed group is 30-40 mm; the distance between the focusing group and the fixing group is 100-110 mm; the distance between the magnifying set and the objective lens set is 12mm-90 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221459583.0U CN217425811U (en) | 2022-06-13 | 2022-06-13 | Angle-adjustable zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221459583.0U CN217425811U (en) | 2022-06-13 | 2022-06-13 | Angle-adjustable zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217425811U true CN217425811U (en) | 2022-09-13 |
Family
ID=83172363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221459583.0U Active CN217425811U (en) | 2022-06-13 | 2022-06-13 | Angle-adjustable zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217425811U (en) |
-
2022
- 2022-06-13 CN CN202221459583.0U patent/CN217425811U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100432045B1 (en) | Line type lighting device | |
| JP7036539B2 (en) | Lens system for projecting at least one light source | |
| US7251084B2 (en) | Fresnel lens and an illuminating device provided with the Fresnel lens | |
| JP4711352B2 (en) | Optical devices and light sources | |
| CN105556374A (en) | An optical system for producing uniform illumination | |
| US20100283369A1 (en) | LED bulb and lamp holder thereof | |
| CN212005550U (en) | Automobile welcome lamp with lighting and projection functions | |
| US7470045B2 (en) | Assembly for directed shading of outside lighting | |
| CN217425811U (en) | Angle-adjustable zoom lens | |
| CN109539163B (en) | Optical lens and have optical lens's optical module, vehicle headlamps | |
| KR102218927B1 (en) | Lens assembly and Gobo lighting device comprising the same | |
| US20040032664A1 (en) | Color-corrected collimating lens | |
| CN217402470U (en) | Optical lens | |
| CN202125883U (en) | Lighting device for double converging lens and imaging objective lens | |
| CN110515258A (en) | A kind of close-shot luminaire and the imaging device comprising the luminaire | |
| CN217425810U (en) | Zoom optical lens for correcting emergent light | |
| CN217482669U (en) | Imaging lamp optical lens with good imaging effect | |
| CN217109411U (en) | Optical lens for correcting emergent light | |
| CN217238507U (en) | Spherical optical lens | |
| CN217109412U (en) | Optical lens for high-power LED | |
| CN217082412U (en) | Optical lens with multiple lens combinations | |
| CN220728048U (en) | Zoom lens | |
| CN213240634U (en) | Beam lamp optical system | |
| CN218268867U (en) | Car usher lamp that wide angle distortion is little | |
| WO2023070793A1 (en) | Imaging lens group, vehicle lamp, and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |