What are you shooting at? Hunting? Range/target? Other?
What sort of conditions will you be doing this shooting in?
Type of weapon?
Without knowing the intended use I'd simply steer you toward a 3 to 9 variable assuming we are talking about a typical hunting rifle. Thats likely to cover most general use.
Greg USAF Retired NRA Life Member "We've replaced what was an exceptional country with a tolerant country. " Greg Gutfeld
my personal pref for deer hunting is 1-4x but my deer gun serves as anti-hog anti-yote roles so the 1x is really helpful for fast movers. i like a true 1x not all 1-4x have true 1x.
depending on how good your eyesight is 4x is more than enough at 200 yards.
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." L. Neil Smith
The problem with being stupid is you cannot simply decide to stop doing dumb things...