Articles tagged "product-advisory"

Sigma issues product advisory for its 60-600mm F4.5-6.3 and 70-200mm F2.8 Sports lenses

Sigma says it will update affected lenses with new firmware free of charge to resolve the issue.

Canon issues advisory for new super-telephoto lenses, promises firmware fix soon

Canon says its new EF 400mm F2.8L IS III and EF 600mm F4L IS III lenses can suffer from an intermittent flickering when shooting video in M or Av modes with certain cameras.