>>4384969You would be correct but honestly car details do not "sell" that well in track photos (as in moving cars), and your potential format is too small anyways unless you focus specifically in these details while the cars are moving.
That's an interesting niche but seems tough, you would probably need a very flexible tripod and a prime supertelephoto to pull it out constantly. I would try cropping first.
400mm to 600mm is not that much of a difference if you camera is above 24MP in resolution and you are not shooting at night.
>"amateur," size-wise.Oh so they have these "no pro gear inside" rules? be aware any lens painted in white or with a collar is considered pro by guards. A Sony RX10 IV would be much more easier to get into the place and practically just as good in daylight conditions.