N
nominal magnification (for microscope/ magnifiers)
The magnification calculated from the formula: M = F x RSD = F/4
where F is the equivalent power of the magnifier in dioptres and RSD is the reference seeing distance in metres.
The magnification calculated from the formula: M = F x RSD = F/4
where F is the equivalent power of the magnifier in dioptres and RSD is the reference seeing distance in metres.