Here is a photo of the spots that I get on my tomatoes.
Certified GKH Gardening Expert
It is just a little blurry, but I do see the culprit. Pseudomonas syringae, or Bacterial Speck.
There is no real treatment once established, but you can prevent it next time.
This article will help: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-bacterial-speck.htm