boys, a help, as the metric scale of the ark is used, I add a photo for better understanding,
For a 300 lens, if I set the zero from the front of the support where it is 30 cm, in point 1 or point 2.
my query is understood.
For a 300 lens, if I set the zero from the front of the support where it is 30 cm, in point 1 or point 2.
my query is understood.