Best altitude with various lenses


#1

HI,

Using DJI X5s camera with various lenses. I need to provide 1 cm resolution to clients.

What will be producing best result:

  • Flying lower with 12 mm lens.

or

  • Flying higher with 25 or 45 mm lens?

Thanks,


#2

Hi @matstar,

With a longer lens you will want to fly at a higher altitude due to the shorter FOV. I would recommend flying at higher altitudes with longer senses to capture more data that can be used to stitch the imagery together successfully.


#3

But how does DD know which lens we are using? Wouldn’t it significantly impact overlap/number of photos needed calculations? Also, why would using a 25mm (50mm effective) lens be better at 200’ the height of using a 12mm (24mm effective) at 100ft? Wouldn’t the results be exactly the same?


#4

DD doesn’t know, that takes your judgement. 50mm obviously has more zoom equalling less FOV and better detail at the same altitude.