ASC (Air Sphere Coating

Canon CJ15ex4.3B: first 4K broadcast portable lens to use ASC

Canon CJ15ex4.3B: first 4K broadcast portable lens to use ASC

Canon announces the CJ15ex4.3B, a 4K broadcast portable zoom lens with class-leading magnification and wide-angle focal length. The lens, the first of this type to use ASC…