I take high speed videos of tennis strokes for analysis. One of the best and most informative camera vantage points for observing the tennis serve is from above the server. Here is an example of one of the rare high speed videos available taken with the camera above the server. Unfortunately, the difficulty of locating the camera about 8-10 above the server, or 10-20 feet above the ground, has resulted in hardly any such videos being available on the internet. A 'cherry-picker' of course would be ideal but otherwise how could a high support be made cheaply, quick and easy to assemble on a tennis court, and above all, safe for supporting a camera over a tennis player. Camera support - 1) Hold 8 oz camera 2) Position 18-20 feet above the ground. 3) Use cheap structural materials, antenna masts, 2 X 4s, PVC, etc. [Heavy PVC pipes are too flexible in 10 ft lengths.] 4) Be easy to erect. 5) Offset from server - The camera and supports must be, say, minimum 4 feet away from the server. Preferably behind, mostly out of sight. 6) The camera must be started on the ground and positioned within a short time, say, one minute. An approximate framing method is OK as there will be no viewing of the camera's LCD screen. 7) Most of all is safety, no heavy steel pipes, etc., up high where they could fall, no set-up that could have a tip-over risk, etc.. I once had a similar problem at work. I wanted to support, adjust & point crudely a mirror about 15 feet above the ground to look back along a projectile's trajectory. As I recall the set up was - 1) a tripod of 14-foot 2" X 6" legs. It could be carried by one person and set up for support at a height of about 10 feet. The tripod legs extended beyond where they were hinged together. Legs held together with a chain. 2) the mirror was on a longer pole that nestled in the other tripod legs extended. You could crudely rotated the mirror from the ground. Mirror alignment was very cumbersome and took time. In this 2-structure design, a supporting point was placed about 10 feet (or higher?) above the ground. That made it easier to have the second support hold the mirror another 5 feet above, at total of 15'. This structure was made of heavier but still portable pieces. This approach is often used in commercial equipment to support microphone booms, a tripod and boom. I'm considering this hard point support and then a pole somehow to hold the camera. Closely associated with lighting supports - https://www.google.com/search?q=lig...XAH7O1sATr9YGACA&ved=0CCwQsAQ&biw=967&bih=606 Search: boom tripod pictures https://www.google.com/search?q=boo...tbm=shop&tbs=cat:150,pdtr0:708597|708599,vw:l The option of getting one of those robotic helicopters that are being used with cameras is too expensive and requires a learning curve. But it is a great approach. Any other ideas?