High-pixel ultrashort starlight lens
An ultra-short star-level, high-pixel technology, applied in optics, optical components, instruments, etc., can solve the problems of insufficient light flux, large F number, high cost, etc., and achieve the effects of sufficient light flux, small size, and easy processing performance
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[0050] The high-pixel ultra-short star-level lens provided in this embodiment includes a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a fifth lens 5 and a sixth lens arranged in sequence from the object side to the image side. The lens 6, the first lens 1, the third lens 3 and the fourth lens 4 are all glass spherical lenses, and the second lens 2, the fifth lens 5 and the sixth lens 6 are all plastic aspheric lenses.
[0051] The surface shape, curvature radius R, lens thickness, lens spacing, lens refractive index nd and K value of the twelve surfaces of the six lenses of the lens respectively meet the following conditions (Table 1):
[0052] Table 1: Physical parameters of the six lenses.
[0053]
[0054]
[0055] In the above table, "R" is the radius of curvature, "-" indicates that the direction is negative, and "PL" indicates a plane. If the serial number of the same surface in the above table has both refractive index data nd and data D, the data...
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