Firmware Version 1.0.8 corrects a phenomenon whereby, during movie shooting, when attached to certain EOS DSLR cameras with the camera’s shooting mode set to M or Av mode, some exposure flicker may happen.
We have determined that a firmware bug may occur with the PowerShot SX740. Find out more about the details of the phenomenon and support plan.
With this modification service, the clicking sensation can be removed from any RF lens, or from the EF-EOS R Control Ring lens adapter enabling smooth and silent adjustment of selected settings via the control ring.
We have determined that a recording error may occur with the EOS C200 / C200B. Find out more about the details of the phenomenon and support plan.
Firmware Version 1.1.0 corrects a phenomenon in which the subject may not be in focus on some occasions when using this lens with some camera models (*) and performing AF shooting from approximately 3m.