>>3367557Ok OP, since you posted a photo of Stanley Kubrick I'll bite.
Lenses, learn all you can about lenses. Especially for filmmaking. This is the fourth time trying to write the next sentence: The lens will determine the "look", lighting and the camera will just enhance that.
The link below is a very dry look at the lenses Kubrick used and owned. Most of them were still lenses adapted for movie cameras.
https://www.youtube.com/watch?v=fb7Meqaz7AwSoundtrack and audio are also imperative (don't ask me, my brothers do that). Here's a video/track I found the other day. A remix from the "The Shining".
https://www.youtube.com/watch?v=G8pptpmkHXgAnything else camera related just ask our Lord and Saturator: Ken Rockwell.