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Home / Reviews / ZeroTech Dobby review

ZeroTech Dobby review

Latest Govt. Jobs 22:30:00 Reviews Edit

VERDICT

Small and reasonably priced, the ZeroTech Dobby is ideal for those who want to sample the delights of drone ownership but are intimidated by the cost and size of some of the leading devices on the market. If its video capabilities and stamina were better, it would come with an almost unreserved recommendation.

PROS:

  • Highly portable,Good stability,Low cost

CONS:

  • Poor stamina,Video recording could be better
The world of drones is broadly split into two sectors at the moment: high-end models that cater for professionals who need super-stable aerial shots in 4K resolution, and cheap-and-cheerful pocket-sized quadcopters, which are for entertainment rather than anything too serious.
The ZeroTech Dobby aims to occupy a third, middle tier; it's not as expensive as the likes of the DJI Phantom 3 , but it offers a surprisingly strong suite of features, and can record 1080p video as well as capture 4K images.
It can fly to around 300 meters above sea level, and can be launched from and land in the palm of your hand. Control is handled via an app on your smartphone, and when outdoors the Dobby uses GPS to maintain its position with impressive accuracy.

Design and build quality

  • Fold-out arms with replaceable blades
  • Optional propellor guards
  • Removable battery
ZeroTech is pitching the Dobby as a 'selfie drone', and to that end it's an eminently portable device. In terms of footprint it takes up about the same amount of space as a typical smartphone, although at 36.8mm at its thickest point it's not going to slip into every pocket easily.
Still, it's a damn sight more portable than your typical high-end drone, and can be stored in your bag without weighing you down, making it an ideal traveling companion.
The unit is fashioned from a pearl-like white plastic, and has four arms which house the propeller units. These arms can be folded in when the Dobby isn't in use, but the propellers aren't fixed – they swing around even when the arms are docked, so you have to be quite careful when handling the device.
On the base of the Dobby you'll find the battery compartment, as well as a sonar sensor and optical flow sensor – these allow the device to be used indoors and also permit safe landings and takeoffs, not just from the ground but from the palm of your hand, too.
The battery has a capacity of 970mAh, which is good for around five minutes of flight time; to recharge it, you have to unclip it from the bottom of the Dobby and place it in the bundled charging dock. The battery has a four-stage LED which indicates how much juice is left in the tank.
For such a small drone the Dobby is impressively built, and it can withstand a few knocks. The most delicate components are its plastic propellers, which are easily damaged should the unit accidentally brush against a solid object.
Helpfully, ZeroTech does offer a pair of plastic clip-on guards which create a protective barrier around the propellers; however these aren't included with the Dobby – you'll have to purchase them separately.
The Dobby's base-mounted sensors will prevent it from performing any risky landings, but the unit lacks any other form of impact awareness, which means it will collide with objects such as trees or buildings if you fly too close.
The front of the device houses a 13-megapixel camera which can be manually angled to one of six different settings, allowing you to take impressive bird's-eye views from quite high up.

Interface and controls

  • You control the Dobby via a smartphone app
  • Electronic image stabilization is on board
  • Flight modes include face/object tracking
Unlike some high-grade drones, the Dobby doesn't come with its own remote control. Instead, you download an application to your Android or iOS smartphone and control the drone from there, using touchscreen or motion controls.
We found the latter option too cumbersome and opted for the touch-based interface instead. There's also an option for voice commands, although we had quite a lot of trouble getting those to work properly, too.
The interface is pretty straightforward. There are two virtual sticks on the screen, with the left-hand stick controlling altitude and horizontal orientation, while the right-hand one allows you to move the drone sideways, backwards and forwards. A take-off and landing button is also included, and it's possible to toggle between taking photos and video at the tap of an icon.
Several levels of electronic image stabilization (EIS) are included to reduce camera shake when recording footage, with the most extreme setting giving a silky-smooth image, but with one drawback – to keep the video steady the software adjusts the orientation of the image on the fly, and this results in black areas appearing at the edges of the frame.
Using the app you can instruct the Dobby to track a subject's face or – at longer distances – follow a particular object or person. You can also command the drone to orbit a particular point, while another mode allows you to perform a smooth, Hollywood-style tracking shot.
As these modes are controlled by the drone itself and not the user, they're usually free from the EIS-related problems mentioned previously, as the unit is able to compensate for wind effect and maneuver a lot more smoothly than a human operator.
ZeroTech issues regular firmware updates for the drone to improve functionality and add new features. You're prompted whenever a new firmware is available, and the process of downloading it to your phone and then uploading it to the Dobby is relatively painless, taking only a few minutes to complete.

Battery life

  • Rated for nine minutes of flight time
  • In practice we got a good bit less
  • You can purchase spare batteries
The Dobby's small size does have one major drawback – the battery life is quite weak. ZeroTech rates the 970mAH power cell for around nine minutes of flight time, but in reality it's more like five. 
Stamina varies greatly depending on what activities you're doing – recording a lot of HD video naturally sucks the juice faster, and on a windy day the unit has to do more work in the air, which requires additional juice.
Adding in a larger-capacity battery would have solved this issue to a degree, but that would most likely have impacted the dimensions of the unit and its flight performance. 
You can at least purchase spare batteries, which you can charge up and take out with you, so once one pack is exhausted you can land the drone and pop in a fresh one before continuing your flight.

Camera and video performance

  • 13-megapixel f/2.2 CMOS sensor
  • Video quality can't compete with high-end drones
  • 16GB of internal storage
The Dobby packs a 13-megapixel f/2.2 CMOS sensor which can capture shots up to 4208 x 3120 pixels in resolution, while 1080p video recording is also included. Still image quality is generally good, but the video isn't in the same league as you'll get from professional-standard drones on the market.
Still, if you're just looking to share some impressive aerial shots on your social media account or take a few group selfies, the results are more than acceptable.
There's 16GB of internal storage space for your shots and videos – to access them you have to download them to your phone, or connect the unit to your PC via the micro USB port on the bottom.

Sample images

Verdict

The old adage that you get what you pay for has never been more true than when it comes to drones, but even so the Dobby represents excellent value for money, as long as your demands aren't too taxing.
The photo and video quality are generally acceptable, but fall short of being professional-grade, and battery life will limit your flights, but when you consider the size of the Dobby and its cost compared to other drones on the market, the trade-off is easier to stomach.
This is a capable drone which can fit effortlessly into your bag, and is ideal for impromptu aerial shots for those times when a larger, pro-grade drone is impractical.
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ZeroTech Dobby review ZeroTech Dobby review Reviewed by Latest Govt. Jobs on 22:30:00 Rating: 5

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