I viewed all of the examples in the article and they all look adaquate. The worst of them is fit for purpose, unless maybe you want to stare up somebody's nose

I viewed all of the examples in the article and they all look adaquate. The worst of them is fit for purpose, unless maybe you want to stare up somebody's nose and count their boogers. Personally, I've been thinking about how to sandblast the lens on my webcam to permanently fog it. Who would even care? I think nobody.