I presume one of your requirements is to do this with a “data collector” ie. a tablet or phone.
If not, there are other options:
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Hot shoe with DSLR or something like the Sony a6000
Terrestrial / Handheld Photogrammetry Workflow - #17 by impliciter -
360 cameras made with pi’s similar to Trimble’s discontinued v10 camera add-on:
https://m.youtube.com/watch?v=CJAMCtAclaI
https://www.opendronemap.org/2020/06/odm360/
I cannot find the thread on ODM at the moment, but there is a pic out there of a gent with around 8 12mp pi cameras mounted in a spherical manner for terrestrial photogrammetry. The zoo example where they combine drone, 360, and point and shoot cameras is a good example of its versatility.
I, personally, would like to see Emlid maybe role their own “Lightning like” service. The pricing would align better with their market than Pix4d IMO. They would not be the first to do so as it is open source.
What Emlid could pull off relatively easy:
The potential competition (they also allow one to do mission planning with consumer grade drones and will, hopefully, be bringing RTK to many consumer drones):
ODM is a bit more to wrap your head around, but it is one of the cheapest, decent options:
For me, the biggest upgrade I would like from Emlid is an outward facing 12mp camera included in the next antenna. If one could take geotagged images, it would be a big step up. If they chose so, they could make additional revenue offering Lightning like services. Live, on the DC point creation, like CHC has, is a big step up. That’s why I think just geotagging images is their best, next option.