Friday, September 23, 2016

Zerotech Release Handheld Pocket Gimbal Camera Rollcap, With 3-axis Image Stabilization

Zerotech Rollcap Handheld Pocket PTZ Camera Released Yesterday, This product is designed to be very compact, Built in stability augmentation PTZ, surpport HD Recording, Its selling point is portability. It uses the shape of ice cream cones, this second member of Zerotech Pocket Serie.

Rollcap uses a Qualcomm Snapdragon processor and 945 mAh capacity battery, officials said about 110 minutes available for 4K video capture after full charge. Rollcap weights 219g, only slightly heavier than the iPhone 7 Plus (188g), it's portable and easy grip handheld.

Zerotech Rollcap Handheld Pocket Camera equiped a 13MP camera, lens maximum viewing angle of 94 °, you can shoot 4K high-definition picture or stability augmentation high-definition video, hidden microphone design, excellent noise control, while shooting video simultaneously miking. Rollcap also built a variety of shooting modes, such as time-lapse photography, slow-motion photography, a plurality of continuous shooting, HDR, timer shooting, etc., can fully meet the needs of the photographer. 

The gimbal is triaxial mechanically stabilize that use for drone, its brushless motor ensures the accuracy stability augmentation of ± 0.03°. Rollcap body has a standard threaded tripod universal interface, it compatible with all types of action camera common parts. 

Zerotech Rollcap have good expansion capability, it can meet the use of environmental requirements like cycling, car, running, diving, surfing, hiking and skiing etc. For users diving, you can buy special waterproof case, then supports underwater photography. It also can be used with the self-stick and other equipment to use, in order to capture more natural posture.

Previously, DJI had been launched Osmo Handheld Gimbal for smartphone, Compared with ordinary hand-held gimbal Zerotech Rollcap have more practical scenario, easy to carry and more convenient. 

Drone manufacturers from aerial photography to a more diverse needs of product development has become a trend, for the development of stability augmentation PTZ products they also have technical advantages, with the current development of the selfie consumer market, after similar products like Rollcap  will be more and more.

Friday, July 22, 2016

ZEROTECH DOBBY Pocket Selfie Drone Short Video Recording Tutorial

DOBBY addition to taking pictures there is a very interesting method of play - short video shoot.
This feature can instantly enhance the fun, use your imagination when shooting, absolutely let you become a focus of the crowd.

Open DOBBY, DOBBY connection with Do.Fun
Short video mode needs to be used in open spaces


DOBBY according to our shooting needs
Designed six-speed camera angles
Respectively 22.5 degrees, 0 degrees, -22.5 degrees, -45 degrees, -67.5 degrees, -90 degrees

When recording a short video
Open image-stabilized function
It allows better video quality
Click the camera parameters settings button (camera button above)
Select Settings, click image-stabilized

Select the image-stabilized angle
Note: image-stabilized angle and camera angle to be consistent

Short Video
First set up image-stabilized angle
For example: We chose a -22.5 degrees
And then manually adjust the camera position to -22.5 degrees

After setting
Choose short video mode

When using the short video features
pay attention to safety distance between DOBBY and yourself

Hold the capture button

At this time DOBBY will automatically flying along the preset angle

You can waved to DOBBY
Or make a Pose

After a 10 second countdown bottom of the screen
Release your finger
DOBBY will automatically return to Home along the the preset trajectory
And record images
(At this time the Home is the starting position that DOBBY began shooting short video)

When not using short video functions
Turn off the image-stabilized

View & Download

click Do.Fun gallery button in the lower right corner of the screen, 
Select the video download and playback


  1. Short video mode required in the open venues; 
  2. When not using short video function, turn off image-stabilized;
  3. When using short video features, keep a safe distance from DOBBY;
  4. Short video capture default maximum time is 10 seconds;
  5. When recording short video, keep shooting button pressed.

Buy ZEROTECH DOBBY Pocket Selfie Drone at Geekbuying 

ZEROTECH DOBBY Pocket Selfie Drone Compass calibration

Today let's learn how to calibrate the compass. When our DOBBY compass failure, the purple lights flash, then we need to calibrate the compass; when DOBBY can not be fixed hover in the air ("Gone with the Wind "situation), also need to calibrate the compass.

Enter compass calibration
First, we must choose in the open field to calibrate the compass.

Open DOBBY pocket UAV
DOBBY connection with the phone
Enter Do.Fun interface, click "Settings", select "compass calibration"
Select "Start"

Horizontal Calibration
Will first enter horizontal calibration mode, Please put DOBBY Horizontal in your hands 

At this time DOBBY indicator should be green light

Please keep DOBBY Horizontal slowly turn 2-3 circles in place

During rotation, keep the green light lit
Observe indicator
When the light changes from green (bottom left) to white light flashes (below right)
Horizontal calibration is complete
Automatically enter the vertical calibration mode

Vertical Calibration
After entering the vertical calibration mode
Please DOBBY machine head down
Perpendicular to the ground

At this time the machine indicator change from white blinking to white lights long bright
If the indicator still showed white lights flashing, you can adjust the angle slightly
In the white lights lit state
Holding DOBBY perpendicular to the ground (white light lit)
In place slowly rotate 2-3 circles

When white light is off, the magnetic field calibration is complete
APP interface prompts compass calibration is complete

Special Attention

  1. Compass calibration we must choose the open space, away from the wire, steel and other interferences;
  2. During compass calibration, please slowly rotated, while paying attention to indicator changes;
  3. When horizontal calibration, please keep the green light lit; vertical calibration, keep white light lit.

If you like this ZEROTECH DOBBY Pocket Selfie Drone you can purchase it at ZEROTECH DOBBY Pocket Selfie Drone 13MP 4K Camera GPS Glonass Positioning RC Quadcopter