This eyepiece is at the top level is handy with a good field of view and optical quality incomparable to other brand that ultimately are low-end again, this ocular you can fit him that Barlow baader decend the focal 3.5mm to 10mm memory, a big plus for strong Magnification on jupiter saturn ect, in short its no point of going around in circles, yes its been sub, yes actual duration, but this is incomparable for an ocular are made and are practical dimension 31,75mm and 2 inches. Rather than buying PLUSIEUR ocular low range or midrange, all put together far exceed the price of this rock !!!!! that you will keep for life whatsoever on Apochromatic or mak, or newton his great Polivalente does not default.
