Hi Alexery,
I tried to use the CGVD2013 geoid file, but it reports "vertical datum out of range". I checked the photos and I opened the geotiff they both are in the correct position, is there something wrong in Agisoft 1.3? Also I found NAVD88 12 a and 12 b can be read in, however this geoTIF does not have projection / datum defined, would this be a correct file?
Thanks a lot!