CN114355717A

CN114355717A - Digital film exposure device

Info

Publication number: CN114355717A
Application number: CN202210042266.7A
Authority: CN
Inventors: 杨安荣; 欧阳松; 吴初耀; 张国舜
Original assignee: Suzhou Shitouji Intelligent Technology Co ltd
Current assignee: Suzhou Shitouji Intelligent Technology Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-04-15

Abstract

The invention discloses a digital film exposure device, which comprises a first optical lens, a second optical lens, a third optical lens, a fourth optical lens, a fifth optical lens, a double-cemented objective lens, a first convex lens, a second concave lens, a sixth optical lens, a seventh optical lens, a light-combining prism, a PBS prism and a PLCOS packaging lens, wherein the first optical lens, the second optical lens, the third optical lens, the fourth optical lens, the fifth optical lens, the double-cemented objective lens and the seventh optical lens are arranged in a lens barrel. The invention relates to a digital film exposure device, which has the characteristics of realizing the parallel projection function of image light beams, realizing the focusing in a wider range by utilizing the parallel projection of the light beams and reducing the distortion rate of a graph.

Description

Digital film exposure device

Technical Field

The invention belongs to the technical field of optical lenses, and particularly relates to a digital film exposure device.

Background

In the film exposure application, the conventional exposure devices include cameras, video cameras, etc., and the most central optical elements in the devices include Petzval portrait lens, fast linear lens, double gauss lens, telescopic lens, anti-telescopic (back focus) lens, and cucko lens. However, the current exposure device has some problems: 1. when image light beams are amplified, focal lengths are difficult to control, a corresponding distance measurement matching device is needed for focusing, the fault-tolerant range of the focal lengths is limited, and light energy is dispersed; 2. when the image is reduced, besides the fact that the focal length is difficult to control, the energy of light is greatly improved, and the focusing is similar to the focusing, so that during imaging, the light source is excessively concentrated, and the travel halo is generated at the boundary of a pixel and cannot be distinguished; 3. special requirements on materials and no universality. Therefore, it is necessary to design a digital film exposure apparatus.

The invention content is as follows:

it is an object of the present invention to provide a digital film exposure apparatus that solves the above-mentioned problems of the background art.

In order to solve the above problems, the present invention provides a digital film exposure apparatus:

a digital film exposure device comprises a first optical lens, a second optical lens, a third optical lens, a fourth optical lens, a fifth optical lens, a double-cemented objective lens, a first convex lens, a second concave lens, a sixth optical lens, a seventh optical lens, a light-combining prism, a PBS prism and a PLCOS packaging lens, wherein the first optical lens is provided with the second optical lens, the second optical lens is provided with the third optical lens, the third optical lens is provided with the fourth optical lens, the fourth optical lens is provided with the fifth optical lens, the fifth optical lens is provided with the double-cemented objective lens, the sixth optical lens is provided with the seventh optical lens, the light-combining prism is provided with the PBS prism, and the PBS prism is provided with the PLCOS packaging lens.

Preferably, the double cemented objective lens includes a first convex lens and a second concave lens, and the double cemented objective lens is formed by bonding the first convex lens and the second concave lens.

Preferably, the number of the cemented doublet objectives is two, and the two cemented doublets objectives are in contact with each other.

Preferably, the second optical lens has a truncated cone shape.

Preferably, the third optical lens is provided with a circular arc groove.

Preferably, the fifth optical lens has a cylindrical shape.

Preferably, the sixth optical lens has a side view shape of a shuttle.

The invention has the beneficial effects that: the invention relates to a digital film exposure device, which has the characteristics of realizing the parallel projection function of image light beams, realizing the focusing in a wider range by utilizing the parallel projection of the light beams and reducing the distortion rate of a graph, and has the following beneficial effects compared with the traditional digital film exposure device in specific use:

1. the invention realizes the parallel projection function of the full image beam and has high fault tolerance in the focusing range. The focusing range of image projection is improved, the distortion rate of the image is reduced, and the image projection with high resolution of more than 4K is realized.

2. The invention can reduce the production and use thresholds by using various optical lens compositions.

3. When the device of the invention breaks down, the device is composed of a plurality of simple optical lenses, so the structure is simple, and great convenience is brought to overhaul.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the operation of the present invention;

FIG. 3 is a light path outflow diagram of the present invention;

fig. 4 is an image of the present invention.

In the figure: 1. a first optical lens; 2. a second optical lens; 3. a third optical lens; 4. a fourth optical lens; 5. a fifth optical lens; 6. a double cemented objective lens; 7. a first convex lens; 8. a second concave lens; 9. a sixth optical lens; 10. a seventh optical lens; 11. a light-combining prism; 12. a PBS prism; 13. the LCOS encapsulates the lens.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment:

example (b):

a digital film exposure device comprises a first optical lens 1, a second optical lens 2, a third optical lens 3, a fourth optical lens 4, a fifth optical lens 5, a double-cemented lens 6, a first convex lens 7, a second concave lens 8, a sixth optical lens 9, a seventh optical lens 10, a light-combining prism 11, a PBS prism 12 and a PLCOS packaging lens 13 which are arranged in a lens barrel, wherein the first optical lens 1 is provided with the second optical lens 2, the second optical lens 2 is provided with the third optical lens 3, the third optical lens 3 is provided with the fourth optical lens 4, the fourth optical lens 4 is provided with the fifth optical lens 5, the fifth optical lens 5 is provided with a double-cemented objective lens 6, the sixth optical lens 9 is provided with the seventh optical lens 10, the light-combining prism 11 is provided with the PBS prism 12, the PBS prism 12 is provided with a PLCOS package lens 13.

The double-cemented objective lens 6 comprises a first convex lens 7 and a second concave lens 8, the double-cemented objective lens 6 is formed by bonding the first convex lens 7 and the second concave lens 8, and the protrusion of the first convex lens 7 is in contact with the concave part of the second concave lens 8.

The number of the double-cemented objective lenses 6 is two, and the two double-cemented objective lenses 6 are in contact with each other, so that light can be integrated.

The second optical lens 2 is shaped like a truncated cone, and the second optical lens 2 can guide light rays.

The third optical lens 3 is provided with an arc groove, and the arc groove can converge light.

The fifth optical lens 5 is cylindrical, and the cylindrical shape is more convenient to install.

The side view of the sixth optical lens 9 is in a shuttle shape, and light rays can be converged.

The using state of the invention is as follows: during imaging, the existing information is converted into a picture form through a certain coding algorithm, then the image is input into a projection optical-mechanical system, a graph light beam is formed through image integration inside the optical-mechanical system, the graph light beam is input into a lens group, and the graph is output on a film to be exposed through correction of the lens group on the graph.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a digital film exposure device, is including installing first optical lens (1), second optical lens (2), third optical lens (3), fourth optical lens (4), fifth optical lens (5), two glue mirror (6), first convex lens (7), second concave lens (8), sixth optical lens (9), seventh optical lens (10), light-combining prism (11), PBS prism (12), PLCOS encapsulation lens (13) inside the lens cone, its characterized in that: the optical lens assembly is characterized in that a second optical lens (2) is arranged on the first optical lens (1), a third optical lens (3) is arranged on the second optical lens (2), a fourth optical lens (4) is arranged on the third optical lens (3), a fifth optical lens (5) is arranged on the fourth optical lens (4), a double-cemented objective lens (6) is arranged on the fifth optical lens (5), a seventh optical lens (10) is arranged on the sixth optical lens (9), a PBS prism (12) is arranged on the light-combining prism (11), and a PLCOS packaging lens (13) is arranged on the PBS prism (12).

2. The digital film exposing apparatus according to claim 1, wherein: the double-cemented objective lens (6) comprises a first convex lens (7) and a second concave lens (8), and the double-cemented objective lens (6) is formed by bonding the first convex lens (7) and the second concave lens (8).

3. The digital film exposing apparatus according to claim 1, wherein: the number of the double-cemented objective lenses (6) is two, and the two double-cemented objective lenses (6) are in contact with each other.

4. The digital film exposing apparatus according to claim 1, wherein: the second optical lens (2) is in a circular truncated cone shape.

5. The digital film exposing apparatus according to claim 1, wherein: the third optical lens (3) is provided with an arc groove.

6. The digital film exposing apparatus according to claim 1, wherein: the fifth optical lens (5) is cylindrical.

7. The digital film exposing apparatus according to claim 1, wherein: the side view shape of the sixth optical lens (9) is shuttle-shaped.