in reply to
Re^3: The best object to provide scale on a photo showing a small object is:
in thread The best object to provide scale on a photo showing a small object is:
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (176 votes),