astigmatic difference
astigmatic difference
A measure of the axial astigmatism of an objective lens. This is expressed as the difference of the focal length in the two orthogonal directions. The "astigmatic difference" of an objective lens has been decreased down to 1.5 μm or less.
Related Term(s)
Term(s) with "astigmatic difference" in the description


Are you a medical professional or personnel engaged in medical care?
No
Please be reminded that these pages are not intended to provide the general public with information about the products.