OPTICAL LENS
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United States of America
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Issued Date -
Apr 28, 2022
app pub date -
Jun 30, 2021
filing date -
Jun 30, 2021
priority date (Note) -
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Abstract
An optical lens, in order from an object side to an image-forming side, includes: a first lens, a second lens and a third lens which have refractive power, a fourth lens having positive refractive power, a fifth lens, a sixth lens and a seventh lens which have refractive power, an eighth lens having negative refractive power, a ninth lens and a tenth lens which have refractive power. The optical lens satisfies at least one of the following conditions: an overall optical effect of the first lens, the second lens and the third lens is negative refractive power; an overall optical effect of the fifth lens and the sixth lens is negative refractive power; an overall optical effect of the fifth lens, the sixth lens and the seventh lens is positive refractive power; and an overall optical effect of the ninth lens and the tenth lens is positive refractive power.
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