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Comparison JJRC H47 vs JJRC H47WH

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JJRC H47
JJRC H47WH
JJRC H47JJRC H47WH
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Folded dimensions: 146x67x32 mm. The drone's camera has a special "Beauty mode" to improve the quality of photos. Transport case included
Folded dimensions: 146x67x32 mm. The drone's camera has a special "Beauty mode" to improve the quality of photos. Transport case included
Featuresselfie droneselfie drone
Flight specs
Maximum flight time
7 min /charge time — 70 min/
7 min /charge time — 70 min/
Camera
Camera typebuilt-inbuilt-in
Number of megapixels2 MP
HD filming (720p)1280x720 px 25 fps1280x720 px
Live video streaming
 /using WI-FI up to 30 metres/
 /using WI-FI up to 30 metres/
Flight modes and sensors
Flight modes
flight plan without GPS (Waypoints)
acrobatic mode
flight plan without GPS (Waypoints)
acrobatic mode
Sensors
heights
gyroscope
heights
gyroscope
Control and transmitter
Controlremote control and smartphoneremote control and smartphone
Gesture control
Range100 m100 m
Control frequency2.4 GHz2.4 GHz
Remote control power source2xAAA2xAAA
Motor and chassis
Number of screws4 pcs4 pcs
Foldable design
Battery
Battery capacity0.5 Ah0.5 Ah
Voltage3.7 V3.7 V
Battery model1S1S
Batteries in the set1 pcs1 pcs
USB charging
General
Body backlight
MaterialABS plasticABS plastic
Dimensions178х180х32 mm178х180х32 mm
Dimensions (folded)146х67х32 mm
Weight86 g86 g
Color
Added to E-Catalogmay 2018february 2018

Number of megapixels

Resolution of the matrix in the standard camera of the quadrocopter.

Theoretically, the higher the resolution, the sharper, more detailed image the camera can produce. However, in practice, the quality of the "picture" is highly dependent on a number of other technical features - the size of the matrix, image processing algorithms, optical properties, etc. Moreover, when increasing the resolution without increasing the size of the matrix, the image quality may drop, because. significantly increases the likelihood of noise and extraneous artifacts. And for shooting video, a large number of megapixels is not required at all: for example, to shoot Full HD (1920x1080) video, which is considered a very solid format for quadrocopters, a sensor of only 2.07 megapixels is enough.

Note that high resolution is often a sign of an advanced camera with high image quality. However, this quality is not determined by the number of megapixels, but by the characteristics of the camera and the special technologies used in it. Therefore, when choosing a quadcopter with a camera, you should look not so much at the resolution as at the class and price category of the model as a whole.

HD filming (720p)

The maximum resolution and frame rate supported by the aircraft camera when shooting in HD (720p).

HD 720p is the first high-definition video standard. Notably inferior to Full HD and 4K formats in terms of performance, it nevertheless provides pretty good detail without significant demands on the camera and processing power. Therefore, HD support is found even in relatively inexpensive copters. And in high-end models, it can be provided as an addition to more advanced standards.

In drones, HD cameras typically use the classic 1280x720 resolution; other, more specific options are practically non-existent. As for the frame rate, the higher it is, the smoother the video turns out, the less movement is blurred in the frame. In general, values up to 24 fps can be called minimal, from 24 to 30 fps — medium, from 30 to 60 fps — high, and speeds over 60 fps are used mainly for slow motion HD.
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