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prefer to maintain some forward speed-at least enough to make a safe landing in the event of engine failure. An added advantage of maintaining some forward speed is it reduces vibration. While the helicopter is hovering, it vibrates excessively and the engine exhaust oftentimes washes in front of you and the camera. Both of these factors contribute to unsharp photographs. There are two distinct advantages of using helicopters for hand-held aerial photography. First, they have the ability to maneuver in and out of places that are inaccessible to fixed-wing aircraft. Second, they have the ability to fly at low altitudes more safely than fixed-wing aircraft. window or door removed or open. By removing or opening a window or door, you eliminate the need to shoot through a glass or plastic window. This prevents reflection problems, such as glare, that can result in obscured image detail. Of course, you are unable to open a "window" in a high-performance jet aircraft. Navy helicopters have doors that can be completely opened or removed from a helicopter, you have fewer obstructions to obscure the view of the camera than in a fixed-wing aircraft. You can generally sit with your legs hanging out of a helicopter (fig. 4-13). This is both convenient and comfortable for shooting your aerial pictures. Additionally, sitting on the floor with your legs out of the helicopter gives you a stable body position. It also enables you to lean out and see the target as you approach it. This does not mean that you should disregard the excellent hand-held 70mm aerial cameras. If you have access to any of these aerial cameras, by all means give them a try. You may find them very much to your liking. These aerial cameras are top of the line and are capable of producing photographs of the highest quality. on what camera you select--35mm for slides or 120mm Advanced Photography Course |
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