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HD FPV for Miniquads – CONNEX™ ProSight

Introducing the Connex Prosight

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Many see Analogue video signals as one of the biggest hurdles which miniquad racing needs to over come. It needs its own digital revolution in other words. Many have said that the unreliability was well as sometimes appalling image quality of analogue FPS flying is holding the hobby back, however, all high quality systems up until now have had one major draw back…lag time. If you are flying at 50mph then even the smallest lag time can be the difference between crash or no crash. m

CONNEX™ ProSight is the missing link needed to usher in a new era in FPV racing. Plagued by analog systems’ poor image quality, and connectivity issues in multi-pilot scenarios, the sport needs a breakthrough to take it to the next level.

The Prosight camera has a 720p30 sensor (1280×720 pixel, 30 fps) with High Dynamic Range (HDR), suitable for daylight and nighttime flights. The Prosight HDMI receiver output is 720p60 (1280×720, 60 fps), supporting standard HDMI screens and goggles. Prosight was validated to work with: any computer screen, Fatshark Dom v3 and HD V2 Quanum and Headplay.

The all import question is: what is lag time like? Connex themselves have quoted 26 milliseconds. To put that in some context Hero 3 Black 1080p60 7-8 frames lag on the video, so 3-4 from camera itself = 50 – 66.6 ms Mobius wide 1080p30 10 frames lag, 6 from camera = 100ms. Even the FatShark 600TVL has a lag of around 50ms, so Connex do indeed have a lag of only 26ms then it would be perfect for FPV. For the record, at 50kph, you travel ~70cm in 50ms.

What’s there:

features-pic-1Delay free FPV HD Camera

The CONNEX ProSight HD camera is optimized for both indoor & outdoor flights, featuring advanced High-Dynamic-Range sensor, allowing 720P delay-free crystal clear video
Unit price: US $139

 

features-pic-2Delay-Free HD Transmitter

The CONNEX ProSight transmitter supports delay-free uncompressed all-digital HD transmission. Optimized for multi-pilot FPV Racing, providing fully immersive flight experience
Unit price: US $159

 

 

 

features-pic-3Robust Digital HD Receiver

The CONNEX ProSight ground receiver unit provides a robust digital link over the 5GHz band. Its HDMI interface, compatible with all popular HDMI goggles & screens in the market.
Unit price: US $249

 

 

A few Questions and Answers

Q: Will the Prosight transmitter work with CONNEX or CONNEX mini receiver?
A: No. These are two separate systems that do not interact.

Q: Can I use my own camera with Prosight transmitter?
A: No. The Prosight transmitter supports only with the Prosight camera.

Q: Is Prosight certified for RF regulation?
A: Yes. Prosight has certification for US (FCC), EU (CE), Australia & New Zeland, China and Korea. Other region regulations will follow.

Q: Will Prosight work in non-line-of-sight conditiond?
A: The specified range of 300 to 1000 meters / 1000 to 3000 feet assumes clear line-of-sight.
Prosight was tested to work very good in underground/parking lots. Lower performance may be expected when used in woods and forests.

Q: Will Prosight work at night?
A: The Prosight camera has high dynamic range (HDR) of 115dB, allowing it to function extremely well at almost any lighting conditions.

Q: Will Prosight coexist with analog video systems?
A: Yes. At adequate frequency allocation, the systems will coexist perfectly.

Q: Can I purchase Prosight in my country?
A: A Reseller list will be published soon in our site

Q: Can I use my Prosight receiver to view my friend’s Prosight’s flight?
A: Yes. Prosight receiver allows you to view any Prosight transmitter found in its reception radios

Q:How many can you have in the air at the same time?
A: We are still testing this. I can tell you that we will enable multi-system for racing.

Q: Please post recordings from actual real life use from the test pilots.
A: You can find videos on the ProSight WEB page: http://www.connexhd.com/

Q: What power output is the tx? What frequency band does it actually use?
A: The power output is according to the local regulations. The system will be fully compliant for US (FCC), Europe (CE), Australia & New Zealand, China and Korea. Other region regulations will follow. The system works on the unlicensed 5GHz band.

Q: will there be an upgrade for the camera to run at 60fps?
A: We’ll consider it for future products and updates.

Q: Does it make sense / increase range if we exchange the LP antennas with directional ones?
A: There is no range limitation by software for the product.

Q: how do the transmitter antennas look like? can they be replaced with 5.8 analog antennas? SPWs for example?
A: ProSight antennas were designed to cover the entire 5GHz band and were optimized and tested for FPV racing. Most 5.8GHz antennas don’t cover the entire 5GHz band and may cause degradation in performance.

Q:How does the system handle signal degradation – for example flying behind trees?
A: The system is optimized for FPV racing. You can see some videos in the ProSight WEB site, including forest environment.

Q: Does it support 4:3 goggles like the Dominator HDs without image stretching?
A: ProSight HDMI receiver output is 720p60 (1280×720, 60 fps), supporting standard HDMI screens and goggles.
Prosight was validated to work with: Glyph, Fatshark v3 and HD V2
Quantum, Headplay, Atomos, Swit, Feelworld.

Q: When you talk about 26ms of latency, what exactly are you measuring? Worst case scenario between camera glasses and HDMI output?
A: 26ms is the delay from camera to HDMI output. The “glass to glass” delay is dependent on the goggles/monitor you are using

The Tech Specs

Features:
• 720p30 HD Camera, with high-dynamic range sensor and 2.8mm lens
• Receiver Unit outputs standard 720p60 over HDMI for reducing motion blur
• Compatible with all popular HDMI based Goggles/Monitors
• Digitally paired transmitter to receiver for crosstalk-free flight
• Supported LOS range of 300m to 1000m varies with field conditions
• Advanced frequency setup for multi-pilots: Automatic & Manual modes, supporting 27 digital     channels (FCC)
• System configuration via Bluetooth using Android/iOS app or through built-in on-screen display menu
• Advanced High Definition spectator viewing mode
• Camera to HDMI receiver-out maximum latency of 26mS

Specifications Transmitter Unit:
Dimensions: 70×36.5×7.2mm
Weight: 32gr
Input voltage: 8v – 16v (supports 2S to 4S)
Power Connector: 4 Pins
Power Consumption: 4.1W
Antenna Connector: 2 External MMCX Connectors
Video Interface: MIPI
SW Upgrade: Micro USB
Product  Configuration: Mobile App over Bluetooth

Specifications Receiver Unit:
Dimensions: 75x115x17mm
Weight: 134gr
Input voltage: 8v – 26v (supports 2S to 6S)
Power Connector: DC Jack
Power Consumption: 3.5W
Antenna Connector: 5 SMA Connectors
Video Interface: HDMI (Type A)
SW Upgrade: Micro USB
Product  Configuration: Mobile App over Bluetooth

Specifications Camera:
Dimensions: 28x20x27mm
Weight: 13gr
Input voltage: 5v  from Transmitter
Power Connector: MIPI
Power Consumption: 1W
Antenna Connector: N/A
Video Interface: MIPI
SW Upgrade: Through Transmitter
Product  Configuration: Via On-Screen Display

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Conclusions

Whether the Connex prosight is widely adopted or not is the question. The reciever unite and camera are certainly small enough to be widely used in miniquad racing at 13g and 34g resepctivly. What will likely hold back its wider adoption is the inability of the the Prosight to work with other cameras and its cost. It currently costs $500 and if you compare that to a receiver and Tx from Gearbest for $40 then it is hard to justify the extra expense for the average person. What will most likely happen is the top pilots will use the connex for a bit, and either they will find it simply too expensive as Cameras and TXs break, especially as the stand alone TX is $159. , or they will see it as a worth while investment and an alternative to GoPros.

You never know if the footage from the Prosight’s camera is good enough quality, then we could see the phasing out of Go pros. After all even a GoPro session is almsot 100g of dead weight with straps and holders. For pilots trying to push the limits of what is possible on a miniquad then this dead weight is a massive drawback.

 

Big thank you to: Connex, Hobbyking, RCGroups and FPV model for the information

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