Recent content by ELEVATEDPHOTOS

  1. ELEVATEDPHOTOS

    Area covered from 400’ up?

    I would like to add a correction to my original comment about the dimensions of the area seen by the Phantom 3A and 4 Pro cameras at 400'. My calculations were based on a focal length of 20mm, however this is incorrect as this figure is the '35mm equivalent' as I now understand it. The actual...
  2. ELEVATEDPHOTOS

    Area covered from 400’ up?

    Using a Field of View (FOV) calculator from CCTV days the following information should give you some idea of the area you would see from 400'. A Phantom 3A camera has a 2/3" sensor and a focal length of 20mm, so from 400' you should see an area of approx. 110' on the vertical axis and 150' on...