OptiSystems has been approved by Nikon Operations to be a Nikon Authorized Repair Center. Nikon's warranty lasts one year for electrical and five years for mechanical. If your issue requires service within these dates, we will take care of all labor and parts to correct your issue. Nikon warranty issues are few and far between. Nikon reliability is superb and any issue that may arise is typically taken care of within a day or two of notification. Contact us for any warranty issue that may arise.