Nikon has just released a series of new firmware updates for Nikon D600, Nikon D610 and Nikon D750. See the details below:
Nikon D600
New Firmware for Nikon D750, D610 and D600
Nikon USA today has released new firmware for Nikon D750, Nikon D610, and Nikon D600 DSLR cameras. You can take a look at details of new firmware: