Canon kabushiki kaisha (20240427126). ZOOM LENS, AND IMAGING APPARATUS INCLUDING THE SAME
ZOOM LENS, AND IMAGING APPARATUS INCLUDING THE SAME
Organization Name
Inventor(s)
TAKAHIRO Komiyama of Tochigi (JP)
ZOOM LENS, AND IMAGING APPARATUS INCLUDING THE SAME
This abstract first appeared for US patent application 20240427126 titled 'ZOOM LENS, AND IMAGING APPARATUS INCLUDING THE SAME
Original Abstract Submitted
a zoom lens includes a first lens unit, a second lens unit, a third lens unit, and a rear lens group. the first lens unit has a positive refractive power. the third lens unit has a negative refractive power. the rear lens group includes one or more lens units. the first lens unit, the second lens unit, the third lens unit, and the rear lens group are disposed in order from an object side to an image side. an interval between lens units disposed adjacent to each other changes during zooming. the rear lens group includes all of lens units disposed closer to an image than the third lens unit. the first lens unit includes a first positive lens disposed closest to an object and having a positive refractive power. the rear lens group has a positive refractive power at a wide-angle end. predetermined inequalities are satisfied.