Prime lens
A fixed-focus lens and lens technology, which is applied in the field of fixed-focus lenses, can solve the problem of fewer lenses and achieve the effect of meeting imaging requirements
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[0057] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0058] figure 1 is a structural schematic diagram of a fixed-focus lens provided by an embodiment of the present invention, as shown in figure 1As shown, the fixed-focus lens provided by the embodiment of the present invention includes: a first lens 10, a second lens 20, a third lens 30, a fourth lens 40, and a fifth lens 50 arranged in sequence along the optical axis from the object side to the image side , the sixth lens 60, the seventh lens 70 and the eighth lens 80; the first lens 10 is a negative power lens;...
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