Vixen Optics 5984 Porro Prism Binocular (Black)

hello from Optics trade! today we will tell you something about porro prism binoculars so let's start with basic introduction you can see by just looking at them that they have a Porro prisms since the eye piece lens and objective lenses are not in the same axis as compared to the roof prism binoculars i hold in my hands which have a straight through design they were invented by Ignazio Porro and they were the most common and the most popular types of binoculars on the market but due to their size and weight they became slowly less prominent let's start with positive features of porro prison binoculars they offer higher light transmission rates than roof prism binoculars of the same price class because they have less internal reflections in their prism construction due to bigger dimension between objective lenses they provide better depth of field which means more realistic images they