Nikon issued service recommendations in Japan, Europe, and the US on June 23. Nikon adds in the alert that it has identified a certain batch of Z 8 cameras that may have the lens mounting problem.

“Users of the Z 8 camera have informed us that in some rare cases, a lens cannot be mounted on the camera because the lens cannot be rotated to the locked position. Based on our investigation into the matter, it has become clear that this issue may occur with Z 8 cameras. We have identified a range of Z 8 camera serial numbers with which the issue may occur and will address the issue as follows. Nikon will repair affected Z 8 cameras at no cost to the customer, including the cost of shipping affected Z 8 cameras to Nikon, as well as their return to customers, even if the warranty has expired,” Nikon promises.

Owners of Z 8 cameras can input their serial number on a special website Nikon has set up to check if their camera is among those in the impacted batch.

“If your Z 8 camera is one of those affected, instructions for requesting service, including receiving your free return shipping label, will be displayed onscreen. If your Z 8 camera is not one of those affected, then this will be displayed onscreen and you may continue using your camera without concern for this issue,” Nikon explains.

Nikon doesn’t specify the number of cameras it thinks are impacted. Nikon Rumors notes that a Twitter user from Japan as @nankadaione has discovered that 6,630 devices with serial numbers ranging from 2002516 to 2009146 are subject to the recall.

More info on Nikon’s website.