IMAGING OPTICAL SYSTEM, IMAGING DEVICE AND DIGITAL DEVICE

摘要

This imaging optical system, imaging device and digital device are provided with a plurality of lenses positioned in order from an object side. The lens closest to the object side among the plurality of lenses has positive refractive power, and at least one of the plurality of lenses is an aspherical lens made of a resin material that includes an infrared-absorbing material that absorbs infrared light.