We found a camera-specific analog control box at the same Goodwill as the camera, which had the RGB BNC outputs we needed pictured below. Save my name, email, and website in this browser for the next time I comment. The second, more budget-friendly route and the one I took is to dig through every used marketplace—online and in person. The difference is that instead of displaying images, these tubes help capture them. Instead, they have the option to add and remove gain in intervals of 3db—making the image brighter digitally, and with it bringing a lot of noise. When choosing which format or camera is best suited for your project, browse YouTube or Vimeo to get a sense of what each has to offer.