New setup for 3D Mapping and nadir photogrammetry - help please

Posted by ActionDrone on April 11, 2016 at 1:53pm

Hi guys,

I have a Tarot X6 960 with 3DR Pixhawk FCU.

Until now, I made 3D mapping and orthophoto with a DJI Phantom 3 Professional, post-processing the images in Pix4D.

I would buy a camera to do mainly 3D mapping and orthophoto with the Tarot X6.

I just sold a Panasonic GH4 (too heavy and focused on video) to have a lighter setup that I could match with a pair of MAPIR cameras for NDVI orthophotos.

About the camera, I'm looking at the Sony RX100 IV, the Sony a6300 with stock 16-50, the Sony QX1 or something different like a used Sony NEX.

My target is to have a good setup for my purposes. If I could also get some good video out of this new purchase, it wouldn't be bad...

Of course, the camera must be triggerable from the Pixhawk or anyway from remote, via Stratosnapper or any other method.

My budget is 800€ but I could add some hundreds to have a good and durable setup.

What do you suggest?

Thanks in advance.

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Replies

  • Tom April 11, 2016 at 3:18pm

    I'm using a X6 with with a6000 and sigma 19mm as the kit lens is not as sharp...

    For a new build i'm looking into the the canon g9x or sony rx100 as it is lighter and got a fantastic lens.

    The X6 gives me 20 min flight time with 20Ah. every gram counts, so maybe the a5100 is also an option.

    Still not quite sure if i should drop the gimbal as well...

  • Glenn M April 11, 2016 at 2:06pm

    I use a T960 with a Nex5 + 16mm which has been modified to have a wire soldered to the shutter button, and triggered with a relay from the pixhawk. Works much more reliably than an IR trigger, and can be triggered much quicker, and the nex5 is cheap and light. The 16mm lens isn't amazing, but works well enough.

    • ActionDrone > Glenn M April 11, 2016 at 2:14pm

      Thanks Glenn,

      this is a good advice, it could be an option if I will rule out the video needs (actually I shoot videos mainly for hobby, but someone says that it's better to have 4K or slo-mo video features, than not).

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