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