Camera lag

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Hi Guys

Just bench testing my new Vision before first flight (and after following the forum for a few months). The only problem I have encountered so far is that the camera view on the iPhone is very slow to update - several seconds of lag. I am using a 3 year old iPhone 4, and my Vision appears to be one of the earlier ones because the USB is inside the transmitter. I can't update the camera firmware yet as I don't have a microSD adapter.

Has anyone else seen or heard of a similar issue?
 
Experimenting, a new iPhone 5S seems to be much faster. Even restoring the iPhone 4 to original settings and wiping everything didn't improve it's performance. An original iPad Mini works fine too. Must be the processor in the iPhone 4 is too slow - I read somewhere that there's been a 32x increase in processor speed from the 4 to the 5S.
 
I used as iphone 4 for a while without issue, once I reduced the preview quality to the absolute minimum in the app settings. It should work for you, though its not one of the recommended devices.

Rich
 
Trying to use the Kyocera eVent android smartphone as a small tablet,
it seems like there was not enough processing power to decode the
640x480 at 15 fps, and major picture defects and freezing were overly
obvious and abundant.

When I reduced the preview format to 320x240 at 15 fps, it seemed
to work fine, but I have not yet tried it sufficiently.

At some point the phone froze, and had to be rebooted.
All this in Airplane mode, to minimize other RF energies
in the phone.
 
The camera video lag with the Kyocera eVent was less than
about 0.2 seconds, I estimate.
 

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