In the past decade we have seen the convergence of refractive surgery with cataract surgery, which makes sense because the most commonly performed refractive procedure is phacoemulsification with IOL ...

Canon has announced a new lens for photography pros and amateurs to try out. The new lens is notable because it is the first L-Series lens to use Canon's proprietary blue spectrum refractive optics ...

NEW YORK, NY--(Marketwired - August 27, 2015) - B&H Photo is excited to share the announcement of the long-awaited Canon 35mm f/1.4L II USM lens, a redesigned version of the popular 35mm lens that ...

L-Series lens first to feature Blue Spectrum Refractive Optics, for “higher Level” of chromatic aberration correction to boost image quality. L-Series lens: first to feature Canon's Blue Spectrum ...

Wide-angle lenses are more susceptible than most to chromatic aberration, that blue/purple or green fringing you sometimes see in photos and videos. To date, we've seen coatings designed to combat it ...

There are lots of fancy types of glass elements companies can stick inside their lenses to improve optical performance. Today, joining the ranks of the aspherical and super-low dispersion elements are ...

Canon Inc has developed a new Blue Spectrum Refractive (BR) optical element for use in camera lenses that corrects for chromatic aberrations at an exceptionally high level to make possible superior ...