Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A wide-angle optics and lens technology, which is applied in the field of optical systems, can solve problems such as design structure defects, low imaging quality, and poor use effects, and achieve the effects of broadening the wavelength range, improving the illumination of the image plane, and reducing aberrations
Inactive Publication Date: 2014-01-01
THE 3RD ACAD 8358TH RES INST OF CASC
View PDF5 Cites 2 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
At present, the existing wide-angle optical lens has defects in the design structure, which makes the imaging quality not high and the use effect is not good.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0018] The present invention is described in detail below in conjunction with accompanying drawing and embodiment:
[0019] Such as figure 1 As shown, a wide-angle optical lens includes a coaxially arranged window 1, a first lens 2, a second lens 3, a third lens 4, a fourth lens 5, a diaphragm 10, a fifth lens 6, and a sixth lens 7 , the seventh lens 8 and the eighth lens 9. The window 1, the lens and the diaphragm 10 are connected by a lens barrel; the quasi-image square telecentric optical path design technology is adopted to reasonably match the lens material, radius, distance and thickness parameters.
[0020] According to the direction of the optical path, it is stipulated that the left surface of all optical elements in the figure is the front surface, and the right surface is the rear surface. The two radii ranges of the front and rear surfaces of window 1 are 87mm-93mm, 85mm-89mm, the light apertures are Φ48.8mm and Φ44mm, the thickness range is 3.5mm-5mm, and the re...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention belongs to an optical system, and particularly relates to a wide angle optical lens which is wide in spectrum and high in image quality. The wide angle optical lens comprises a window, a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens and an eighth lens, wherein the window, the first lens, the second lens, the third lens, the fourth lens, the diaphragm, the fifth lens, the sixth lens, the seventh lens and the eighth lens are coaxial with one another; the window, the lenses and the diaphragm are connected through a lens cone. Compared with the prior art, the wide angle optical lens has the advantages that by reasonably selecting the surface radius, thickness, distance and materials of the lenses, the image plane illuminance and an optical transfer function are increased, all kinds of lens aberrations, spherical aberrations, coma aberrations, astigmatism, field curvature, chromatic aberrations and distortion are reduced, and the wavelength range is broadened.
Description
technical field [0001] The invention belongs to an optical system, in particular to a wide-spectrum, high-quality wide-angle optical lens. Background technique [0002] A wide-angle lens is needed in the long-distance target positioning system, and its use requirements are very high, and the design technology is very difficult. The current existing wide-angle optical lens has defects in design and structure, which makes the imaging quality not high and the use effect not good. Contents of the invention [0003] The object of the present invention is to provide a wide-spectrum wide-angle optical lens that can improve imaging quality and image plane illumination and is easy to use. [0004] The present invention is realized like this, a kind of wide-angle optical lens, it comprises the window of coaxial arrangement, the first lens, the second lens, the third lens, the fourth lens, diaphragm, the fifth lens, the sixth lens, the seventh lens The lens and the eighth lens, the...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more