There is an altitude hold function that allows you to take aerial shots by releasing the throttle.  Once the throttle is released, the drone hovers in place and take the shot. As a beginner, the headless mode will help you to understand the capabilities of the drone better. Once you’ve gotten conversant with the features, you can do aerial tricks and flips with the drone.

Headless mode is another prerequisite feature for your dream device. Also referred to as cheater mode, the headless mode allows you to direct the drone to see any direction it goes as forward. Thus, you do not have to bother about flipping it around and bringing it back to your location at the end of a flight. Once the headless mode has been activated, simply push the joystick in the corresponding direction you want your device to move towards.


To gauge flight performance, we put the drone through a number of tests to see how the manufacturer’s claims hold up. First we take it to a local football field and see how fast it can clear 100 yards, then do some calculations to get an objective reading on speed in miles per hour. After that, we do a similar test to assess ascent and descent speeds, and all the while, we’re also taking notes on how responsive the controls are, how stable the craft is, how far it can go before it’s out of range, and what the overall piloting experience is like compared to other drones.

HD video starts at the resolution of 1080p as a minimum. For all of these drones, the video is captured at the lower resolution of 720p, even when they claim to have HD cameras. The resolution of still images is always higher than the video. With still photos, the resolution can be as low as 1 megapixel (equal to 1000p) and that resolution is considered HD for still photos. 


For example, OPTI has a built-in Optiflow Sensor (a downward facing sensor), which functions by picking out the patterns on the ground to ensure that the drone maintains a straight position.  ATTI, conversely, works a bit differently. With the ATTI, the drone employs other techniques apart from the external sensors to keep the drone in the right orientation and altitude. Thus, the drone can hover in place, or drift slightly around with the wind serving as a push. You will also find a GPS in some drones, and they help the drone to maintain coordinated and precise flights and landings.
The Altair Aerial Outlaw Drone is one of the best GPS drones around and the absolute best that you can find for under $300. Thanks to the stabilization features in GPS flight mode, this drone will keep itself hovering in midair at whatever place you choose for it to go, making it easy to line up the perfect shot for your photo or video camera. It also has a 1000 meter flight range and a flight time of nearly 20 minutes, which is great for aerial photographers who need time for a longer shoot. If you want high definition, pro-quality photography at a price that won’t break the bank, the Outlaw is the choice for you!
On the other hand, ATTI is a partially different tool, whereby the quadcopter uses other techniques and not necessarily external sensors to firmly hold the drone in correct altitude and orientation. ATTI allows the drone to hover in place, as well as to gently drift around while being pushed by the wind. Some drones also have GPS which offers great precision and coordination during flight.
While each mode is unique and important to understand, most of them still provide the basic function of flight-stabilization and assistance tool. For instance, OPTI typically features an Optiflow sensor within the drone, which is a downward facing sensor capable of identifying patterns on the ground and helping the machine to maintain a straight position.
Many manufacturers mount cameras inside the body of the drone. This is acceptable for casual photography, but if you want more professional results, consider adding an external camera mount, or gimbal. Gimbals allow you to place your video or still camera in front of the drone body, away from the vibrating motor and rotors. Gimbals can swivel and pivot, providing you with additional control over your imagery.

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