What brand and model of camera will this kit be compatible with?
This kit will fit any 58mm lens camera, the model of your camera is not relevant as long as it has the same thread size.
How can I make sure this will fit my lens?
This kit was designed for 58mm lenses. The most important thing to do is find out the thread size of your lens, your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "Ø" (diameter) symbol. For example: Ø58 = 58mm lens thread size.
What is a lens hood used for?
Lens hoods are one of the most important accessories you can purchase to improve the caliber of your photos, and usually the most overlooked by beginner and amateur photographers. The main function of the lens hood is to shade the lens from stray light, bettering your contrast and image quality.