Optical system, optical equipment, and manufacturing method for optical system
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United States of America Patent
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Jul 2, 2024
Grant Date -
Jul 8, 2021
app pub date -
May 29, 2018
filing date -
May 29, 2018
priority date (Note) -
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Abstract
An optical system comprises, in order from an object side, a front group having positive refractive power and a rear group. Upon carrying out focusing, the front group is moved along the optical axis. A predetermined conditional expression is satisfied. Thus, an optical system having a superb optical performance being able to correct superbly various aberrations and being suitable to be used with an imaging device having highly increased number of pixels, an optical equipment equipped therewith and a manufacturing method for the optical system are provided.
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