If you are traveling to New Zealand with Canadian passport in most cases you do not need to obtain entry visa to New Zealand at the consulate beforehand. The period of stay though may be limited by the laws of New Zealand. You may check what is the allowed period of stay at the New Zealand consulate in Canada. All other applicants should check information on New Zealand visa requirements, procedure, application forms, fees and processing timings may be found here: https://new-zealand.visacenter.ca.