Canon Kabushiki Kaisha

Isamu Izuhara

Yasuyuki Tomita

Shin-ichiro Yakita

A lens apparatus has a focusing lens unit, a separating optical unit disposed on an optical axis of the lens apparatus, a focus detection unit that detects focus condition using a light beam from the separating optical unit, a first drive unit that drives the focusing lens unit based on an output of the focus detection unit, and a second drive unit that drives the separating optical unit. An optical separating surface that the separating optical unit has reflectance that varies continuously in a first direction. The second drive unit drives or moves the separating optical unit in the first direction.

Growing community of inventors

Sennan, Japan

Isamu Izuhara