The subject of what warranty applies to which bit of gear comes up quite regularly on AP so as a reference point we will start a thread and try to present some information on the subject.
The term "international warranty" is also mentioned frequently particularly in relation to lenses and speedlights.
The term itself may cause confusion and may not necessarily mean that products bought outside of the Australian distributor network are covered under warranty in Australia.
If you require a definitive answer about international warranties contact the distributor in Australia of the brand of equipment you own or are thinking of purchasing.
The warranty information available on the 'net from the Australian distributors of the major brands ---