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Recent content by Raptor

  1. Raptor

    DJI M3M Terrain Following

    Thanks for all of the info and insights. I will check the elevation of the launch points for the TA surveys I tried. In each case I was using the DSM from the previous survey I flew.
  2. Raptor

    DJI M3M Terrain Following

    Has anyone been successful using Terrain Following on the M3E or M3M? I have an M3M and have made several attempts using an imported DSM and Terrain Following. I constantly run into an error related the RTH elevation not being high enough. I adjust it all the way to 392-394 ft with no success. I...
  3. Raptor

    What is this device that can power a flat screen in the field?

    Check this portable external monitor out. This is what I use in the field. Works very well and the screen is very bright. FEELWORLD LUT11H 10.1 Inch 2000nit Ultra Bright Camera Field DSLR Monitor with Touchscreen Waveform LUT F970 Install and Power Kit HDMI Input Output...
  4. Raptor

    What is this device that can power a flat screen in the field?

    Jackery portable power station. They make a number of models. I carry a 240 and 300 with me in the field. Very useful!!
  5. Raptor

    DJI M3M Focus Issues

    Thanks! So, Shutter Priority (S) and AFC. What Shutter Speed to you normal use. I generally us 1/1250 or 1/1600.
  6. Raptor

    DJI M3M Focus Issues

    What camera settings do you use for these types of surveys? Shutter Priority? Shutter Speed, etc…? AFC or MF? If MF, steps to get sharp focus? Thx
  7. Raptor

    DJI M3M Focus Issues

    I am still struggling with focus issues with the M3M. This time with normal RGB JPG photos. I have tried both AFC and MF. The way I do Manual Focus is the following. Set the camera to AFC. Fly to the altitude of the survey (150 or 200 ft) and fly over an area with clear view of the ground. I...
  8. Raptor

    DJI M3M Focus Issues

    See attached screen captures of a couple of raw images (zoomed in). All shot a 9 mph, 80/70 overlap, 0.5 in/px GSD, and real-time terrain following. It looks like the stationary images are slightly better but only marginally, if at all. I think AFC is better than MF. Thoughts?
  9. Raptor

    DJI M3M Focus Issues

    I am using a DJI M3M drone. For several of my research oriented mapping projects I need to capture both JPG and RAW (DNG) images. Related to the RAW (DNG) images, what are recommended settings? Focus is critical. Camera Settings: Shutter (S) Priority? Focus – AFC or Manual. If Manual, what...
  10. Raptor

    DJI M3M Focus Issues

    Question about real-time follow. Per your recommendation, I set the Terrain Following Altitude to 155 ft or 1.27 cm/pixel (0.5 in/pixel) Ortho GSD. I have done this for all drone surveys since my initial test surveys. See screen capture as an example. Based on the flight logs, the drone never...
  11. Raptor

    DJI M3M Focus Issues

    Ok. Good idea! I will plan to occasionally pause the drone during the survey and take extra photos.
  12. Raptor

    DJI M3M Focus Issues

    Will do! I will slow down from 11 to 9 mph and see how much difference this makes. I have 4 x 100 acres parcels to shoot 3x per year.
  13. Raptor

    DJI M3M Focus Issues

    I bought this drone primarily for the Mechanical Shutter. I was told, prior to buying the M3M, that I could successfully capture RAW images at about 10 mph. My Autel Evo 2 Pro 6K drones required 4.5 mph due to electronic shutter. The terrain is very flat, less than 2ft difference elevation over...
  14. Raptor

    DJI M3M Focus Issues

    The primary deliverable is a set of RAW images. The University doing the research plans to apply AI to identify the various invasive plant species and changes over time. I have working with Advexure technical support staff to tweak the survey specs. I flew a 110 acre RGB test survey at 155 ft...