Video Quality Question

[mildim]

Hi all ,

just got my spark a couple of days ago but did not have time to fly outside.
The weather is not helping at all too.

I have the mavic and i used the sd card to test the video quality of the spark.

Here is the video straight from the SD :

I hope the quality is going to be better when i fly outside with daylight.
I just wanted to ask if you find that flickering/shaky normal.

Thanks,
Dimitris

 

[aviscomi]

You need to test outdoors

 

[DesertWindAero]

Hi all ,

just got my spark a couple of days ago but did not have time to fly outside.
The weather is not helping at all too.

I have the mavic and i used the sd card to test the video quality of the spark.

Here is the video straight from the SD :

I hope the quality is going to be better when i fly outside with daylight.
I just wanted to ask if you find that flickering/shaky normal.

Thanks,
Dimitris

The flickering may be prop shadow...which may be caused by the inside lighting from above. I think it will look better outside with more even lighting.

 

[les.warden]

Yum! What’s for supper!!

 

[mildim]

You need to test outdoors

Will do as soon as i get the chance @aviscomi , thanks

The flickering may be prop shadow...which may be caused by the inside lighting from above. I think it will look better outside with more even lighting.

Thanks @DesertWindAero i will post my first spark video here too.

Yum! What’s for supper!!

Hehe , sorry for that. It is a greek feta-spinach pie (Greek style)

Thanks for the answers guys

 

[strobing_nyc]

Do you have fluorescent lights in your kitchen? If so that's going to count for the flickering they probably run it 50 or 60 hertz which is pretty **** close to the read out of the sensor

 

[mildim]

Do you have fluorescent lights in your kitchen? If so that's going to count for the flickering they probably run it 50 or 60 hertz which is pretty **** close to the read out of the sensor

I do have fluorescent lights.

I will take her out during lunch break tomorrow if weather allows.

It is just that i had the "soft right side" on my mavic when i first got her and now i am a bit paranoid about the Spark.

 

[strobing_nyc]

The Mavic has a reason for that soft corner look. They tried to stuff to much glass in the lens but that's a whole different thread.

 

[mildim]

The Mavic has a reason for that soft corner look. They tried to stuff to much glass in the lens but that's a whole different thread.

Yes , it was a manufacturing error. Lens misalignment.

You are right this is not the correct forum for this.

 

[strobing_nyc]

The biggest issue I found so far with the spark and its image quality is low light there's very high readout noise and also you'll get a little jitteriness in high winds or if you're in sport mode flying around and you try and do a quick stop or something like that.

 

[mildim]

I understand that one cannot compare the spark camera with the one from the mavic or any other drone camera.
The spark serves it's purpose and i am eager and exited to try her out in the countries and in the areas where laws apply for drones over 0,5 kg.

 

[mildim]

And here is the firs flight outside.

Excuse my ugly face

Please keep in mind that it is my first flight with the Spark.
Weather conditions : Cold but above 0 Celcius , i would say 4. A bit windy but nothing special as you can see in the video.
White balance was in cloudy.
I am noticing something in minutes: 00:10 , 00:24 , 02:32 , 03:55 , 04:01
If you tell me that this is normal behavior when the spark is braking , then i am happy

Thanks,
Dimitris

 

[strobing_nyc]

If it's slight jitter motion or a high frequency jello effect yes it's due to the props spinning to much and I believe causing vibration

 

[strobing_nyc]

Was that off the SD card or the phone?

 

[mildim]

Off the SD card i use in my mavic.

 

[mildim]

If the gimbal "jump" is normal for the Spark, i don't mind.

 

[mildim]

Went for another test today.

I noticed that the gimbal has some issues when i am trying to point the camera at the lowest point

This issue is not persistent , some times the gimbal is moving without struggling and sometimes it struggles.

The drone is new and this is the second flight.

What would be your advise ?

Thanks,
Dimitris

 

[Chrislaf]

Mine is new too and has that vertical jump/jitter too. I have done about 6 flights so far in around -8 to -10C temps with mild to moderate wind. I turned down my gimbal pitch speed to 9 but haven’t had a chance to try it out to see if there is any change as it has been too windy. Tomorrow is supposed to be better so may try then. I hope this is not a hardware issue but just a limitation of the Spark gimbal.

I did try holding the Spark and simulating flight in my house while recording (motors off) and only got one jump out of a 4 minute video so makes me think it is just a limitation of the gimbal.

Chris

 

[mildim]

Hi @Chrislaf ,

I did the same when i got back home. I placed the Spark on the edge of a table and "played" with the gimbal movement. I did not see it stuggling at any point.

I want to mention that i did another rocket before i got home and the spark performed as expected. Weather conditions similar like yours but the temperature was above 0 celcius.

Thanks for taking the time to watch the video and amswer in here.

/Dimitris

 

[strobing_nyc]

Vibration at certain frequencies the propellers spin at.