Did the linear fits then found the intersections, used the 20% to 80% levels = 1.57um = 1.6um measured resolution.
The theoretical values are ((0.61 - 0.84um) looks good to me.
I like this method, it’s easy, no hunting thru various beads, looking for the threshold.
Is it accurate, can’t say yet, but should be easy to check against wavelengths and tests I am also doing on my Nikon TE300 scope. I have a 20x / 0.45 objective on the Nikon. The images are clearer, but not a big difference. I should be able to see differences.
All this to say thank you, I think I have a base line for further work on super resolution.
