Wouldn't that result in field curvature? Or maybe this is a way to correct that?
One from yesterday.
Cool shot! It would be interesting to see the same shot after a hard rain.
What part if the country is this? AZ?
Thank you Arjay and AUGS. Noted user error.User error, perhaps... but more like running into limitations of equipment that has less than 100% of internal reflections suppressed.