Four-piece infrared single-wavelength lens set
A single-wavelength, four-piece technology, applied in optical components, instruments, optics, etc., can solve the problems of inability to meet the depth sensing effect of 3D games, inability to accurately focus detection, poor material light transmittance, and depth detection accuracy of game consoles.
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no. 1 example
[0067] Please refer to Figure 1A and Figure 1B ,in Figure 1A A schematic diagram showing a four-piece infrared single-wavelength lens group according to the first embodiment of the present invention, Figure 1B From left to right are the field curvature and distortion aberration curves of the four-piece infrared single-wavelength lens set of the first embodiment. Depend on Figure 1A It can be seen that the four-piece infrared single-wavelength lens group includes an aperture 100 and an optical group, and the optical group includes a first lens 110, a second lens 120, a third lens 130, and a fourth lens 140 from the object side to the image side in sequence. , an infrared filter assembly 170, and an imaging surface 180, wherein the four-piece infrared single-wavelength lens set has four lenses with refractive power. The aperture 100 is disposed between the object-side surface 111 and the image-side surface 112 of the first lens 110 .
[0068] The first lens 110 has positi...
no. 2 example
[0096] Please refer to Figure 2A and Figure 2B ,in Figure 2A A schematic diagram showing a four-piece infrared single-wavelength lens group according to the second embodiment of the present invention, Figure 2B From left to right are the field curvature and distortion aberration curves of the four-piece infrared single-wavelength lens set of the second embodiment. Depend on Figure 2A It can be seen that the four-piece infrared single-wavelength lens group includes an aperture 200 and an optical group, and the optical group includes a first lens 210, a second lens 220, a third lens 230, and a fourth lens 240 from the object side to the image side in sequence. , an infrared filter assembly 270, and an imaging surface 280, wherein the four-piece infrared single-wavelength lens set has four lenses with refractive power. The aperture 200 is disposed between the object-side surface 211 and the image-side surface 212 of the first lens 210 .
[0097] The first lens 210 has p...
no. 3 example
[0110] Please refer to Figure 3A and Figure 3B ,in Figure 3A A schematic diagram showing a four-piece infrared single-wavelength lens group according to the third embodiment of the present invention, Figure 3B From left to right are the field curvature and distortion aberration curves of the four-piece infrared single-wavelength lens set of the third embodiment. Depend on Figure 3A It can be seen that the four-piece infrared single-wavelength lens group includes an aperture 300 and an optical group, and the optical group includes a first lens 310, a second lens 320, a third lens 330, and a fourth lens 340 from the object side to the image side in sequence. , an infrared filter assembly 370, and an imaging surface 380, wherein the four-piece infrared single-wavelength lens set has four lenses with refractive power. The aperture 300 is disposed between the object-side surface 311 and the image-side surface 312 of the first lens 310 .
[0111] The first lens 310 has a p...
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