movable aperture
movable aperture
An aperture that allows selection of its hole diameter and adjustment of its position from the outside of vacuum. The "movable aperture" includes the condenser aperture, the objective aperture and the selector aperture.
Related Term(s)
Term(s) with "movable aperture" 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.