50. Examinations. The judge may authorize a pre-trial examination, an examination by affidavit or the examination of a witness outside the presence of the court using videoconference facilities or any other means of communication, if the means proposed appears to the judge to be reliable and proportionate to the circumstances of the case, taking into account the quality of the equipment used and its availability, and the possibility for the court of taking cognizance of and using the content of the examination. The judge must take into consideration, for the court, the technological environment for court business.