Caddx Air Unit Polar starlight Digital HD FPV system
Caddx Air Unit Polar starlight Best 2021
CHF 199.00 CHF 179.00 Add to cart

Caddx Air Unit Polar starlight Best 2021

CHF 179.00


The Caddx Polar Micro Camera is an FPV camera with a mega starlight sensor.

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Caddx Air Unit Polar starlight Best 2021


The camera is compatible with Vista and Air Unit modules. This can be mounted on a racing drone, used with DJI FPV Goggles, or a remote controller to transmit video, control signals, and flight controller information wirelessly!


Polar unit dronefpvshopch 6 scaled
Polar unit dronefpvshopch 5 scaled

If you want a DJI digital VTX for your FPV quad, there are now new options with a low light camera: the Caddx Polar Vista and Polar Air Unit feature a new camera with a sensor that is more than twice as large as the sensor in the Nebula Pro and Nebula Nano.  How does it look?  Here’s a hands-on test by Albert Kim and Nick Burns.


  • Resolution: 720p @ 60fps, 50mbps bitrate
  • Sensor Size: 1/1.8 inch, which is 2.2x larger than the 1/3 inch sensor used in the Nebula Pro, Nebula Micro, and Nebula Nano.  In fact, the sensor is probably larger than the sensor in GoPro (although GoPro does not publish its sensor size).
  • Aperture: f/1.6, which is about 2/3 stop wider than the f/2.1 aperture of the Nebula Pro.
  • Field of view: The field of view is 162 degrees, which is wider than the 150 degree FOV of the Nebula Pro.
  • Camera size: 19mm x 19mm, which is the same size as the Nebula Pro and larger than the 14mm x 14mm Nebula Micro and Nebula Nano.
  • Weight: The Polar Vista with camera is 28grams and its antenna is 2.5 grams.  The Polar Air Unit with camera is 42.6 grams with a 3.9 gram antenna.  The camera without the Vista or Air Unit is 9 grams.  By comparison, the Caddx Vista with Nebula Nano is 26.5 grams, or 27 grams with Nebula Pro.
  • Latency and range: Latency is unchanged at around 32ms, with a range of 4km in ideal conditions.

The Polar camera appears to offer better image quality than other cameras for the DJI digital system.  In low light, the Polar camera has far better shadow detail.  In daytime, in my opinion, it looks like it has better dynamic range than Nebula Pro.



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