For those wondering about the word “objective” as it is used above;
> In optical engineering, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. [1]
I found this [2] article to be pretty approachable without the jargon overload like Wikipedia often suffers from.
> In optical engineering, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. [1]
I found this [2] article to be pretty approachable without the jargon overload like Wikipedia often suffers from.
[1] - https://en.m.wikipedia.org/wiki/Objective_(optics)
[2] - https://en.m.wikipedia.org/wiki/Diffraction-limited_system