Define the following terms Depth of focusdepth of field Fiel

Define the following terms: Depth of focus/depth of field Field of view Inversions Parfocal Resolution Working distance

Field of view:- the wideness of object that we observed in from the objective lens.

Depth of focus:- area in front of the lens in acceptable focus.

Inversion:- reversal of an image projected by a microscope..

Parafocal:- a kind of lens which stays in focus even when magnification or focal length changed.

Resolution:- the shortest distance between two points on a specimen that can be still distinguished by observer.

Working distance:- the distance between front element of objective lens and the coverslip of specimen.