Richard CanonNews / Thursday, May 24, 2018 / Categories: Canon Patents This post may contain affiliate links(s). An affiliate link means I may earn advertising/referral fees if you make a purchase through my link, without any additional cost to you. It helps to keep this site afloat. Thank you in advance for your support. If you like what we do here, maybe buy me a coffee. Canon Patent Application: Diffractive Optical Element improvements In this patent Canon describes how to manufacturer a diffractive optical element with a refractive resin component attached to it to further reduce chromatic aberrations. Canon continues to work on DO optics and elements, showing that like Nikon, they are pressing forward with this technology to make lenses physically smaller. in a refractive optical system using the refraction of light, lenses formed from glass materials having different dispersion characteristics are used together in combination to reduce the chromatic aberration. For example, in the case of an object lens of a telescope or the like, a glass material having low dispersion and a glass material having high dispersion are used in combination as a positive lens and a negative lens, respectively, to correct the chromatic aberration which appears on the axis. US Patent Application 20180143350 More links US Patent Application Richard CanonNewsRichard CanonNews Richard has been using Canon cameras since the 1990s, with his first being the now legendary EOS-3. Since then, Richard has continued to use Canon cameras and now focuses mostly on infrared photography. Richard is the founder and editor of CanonNews since 2017, and has worked as a writer on CanonRumors and other websites in the past. Other posts by Richard CanonNews Contact author Facebook page Previous Article Canon Patent Application: Full frame mirrorless UWA Next Article Canon Patent Application: More details on a organic sensor Print Please login or register to post comments.