Here's my jest on optics.
Each and every one has the characteristics of a female.
They all have the parts typical of the norm.
Each and every set of eyes reacts differently to what is offered.
Find what works for your eyes.
Size of ocular, size of objective. Higher the quality, less chance of
fogging up and the rest of the low end disappointments.
I have owned good and not so good quality of an assortment of brands.
Four X at a hundred yards/meters doesn't seem to find the tight group with
my eyes. Then again, Mr. H has a 2.5 I would give a kidney for. Why?
Dunno, dang thing works for me.
Don't forget, shooting at paper off a bench happens to call for tighter groups.
Pie plate at a hundred meters leaning off a stump and dropping fur, priceless.