If you are unsure about the content of the online photography course, simply register for free and request to join the course for a trial period. You will be granted access to the complete course for a limited period during which you can browse through the content and the videos. If you like the course content you can simply pay and join the course for a lifetime. There are no obligations and no prepayments required. You may also check out the following links to get a better idea about the online photography course by Munish Khanna.