Solo long range shooting tips.

[IescapedCali]

Make and model?

I still think you are going to be hard put to see a .25" hole in paper. It would be like trying to ID a nail holding those pallet planks on.

Paint spatter on a piece of steel would be doable.

If the image is this good at 800 yards, and the camera can transmit via wifi/livestream, you might explore the range on its wifi, and put the camera on a tripod closer to the target, while viewing on your tablet at the bench. This might help a great deal.