Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to make a simple skateboarding video [title] Learn how to operate a camera. [step] Invest in a quality camera that can capture movement well. Before filming your skate video, learn how to operate the camera.

Ending1: Important things to know include: how to turn it on/off, how to start/stop recording, and how to upload to your computer. If you are a shaky camera holder, or are making a video alone, consider using a tripod. Ending2: If you're filming in a cramped studio, a mini recording machine may be sufficient. Digital cameras tend to be ultra-sophisticated, making them an ideal choice for any kind of film use. Ending3: You should take valuable photos and capture any skating accidents in the video. Learn how to operate a camera safely without getting bumped or jostled due to the movements of your body. Ending4: Learn to disconnect and power off the camera to take more fast shots. Take the time to practice good driving and control so that you can learn to operate more smoothly.

Answer format: ending1/ending2/ending3/ending4