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B Crane

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About B Crane

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  1. Hi, I'm trying to find a stand to help with photogrammetry of small, thin, or awkward objects like coins or projectile points. Objects thin enough that it would be difficult to get two chunks of the object modeled lying flat to align, but which if put upright on a turntable should work. Thanks
  2. Hi George, Thanks for the tips, I'll check out the software you mention.The workflow I learned from CHI emphasizes using manual focus so as to keep the focus distance constant within calibration sets. Reading the manual for the Zenmuse X5S, it seems to support manual focus, but I wasn't sure about whether this was true for the camera on the Phantom 4. Certainly the Phantom 4 would be a lot more economical than the Inspire 2 with X5S camera. Both are available for rental, it seems, so maybe that's what I should do first. Brian
  3. Hi, I've been using the photogrammetry workflow CHI teaches to record archaeological sites/features. I've found mounting a camera on a painter's pole with a camera adapter at the end to hold a camera about 10 or so feet above the site works quite well, and allows for a lot of control over the pictures. But I quickly end up with hundreds of photographs for even a modest sized site. So, I'm looking at using a drone to allow for doing larger areas. I've been looking at the DJI Inspire 2 drone with Zenmuse X5S camera. It's a 20mp 1" sensor micro 4/3 camera that allows for interchangeable lenses, shoots in dng RAW, and seems to allow for manual focus and aperture priority shooting. Has anyone used it? Or are there any good drone/camera combinations anyone would recommend? Brian
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