Different Genre's and Conventions

In class at present i am looking at different conventions and forms of Genre's and have been looking at aspects of different movies, such as the vital conventions that attracts the target audience to the movie. For example action movies need gunplay and physical/fist fights and Drama movies need romance and close reletionships in the plot. Adventure movies need the epic locations and the aspect of traveling or journying around the world like in such movies as Indiana Jones and national treasure. In this research i can get a better idea of what genre's would be possible to do, a Science fiction space sequence would be very impracticle to choose for example. I am Starting to consider which Genre films i enjoy and which conventions i would be able to do and not do, taking into account equipment restrictions such as the cameras not being good in low light.