Ahhhh sorry Arclight - i thought you knew about the math behind it.
You can not per se calculate the value you need to put into camera.dat, but you can calculate what the Linier Field of View need to be at a certain range.
Thats what i did with the Emden Cruiser.
A is the Angular Field of View (for the scope thats 9° in high power fx.)
17,45 x A x 1000 = Linier FOV in mm at a range of 1000 meter
aka 17,45 x A = Liner FOV at 1000 meters
so in high power and a range of 1000 meters the scope need to cover 157 meters from the left edge to the right edge of the scope. That fits with an Emden Cruisers length.
I know that you CAN somehow calculate the value to put into the Camera.dat, but i have to "dig in" to find that. I allways found it easier to just adjust it to fit.
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