Sports Defender 'Night Prism' Optics Black 40X60WA High Definition Binoculars

Hello from Optics Trade in this video we will tell you something about Abbe Koenig prism binoculars so let's start with the introduction. this type of binoculars are named by Ernst Abbe and Abbe Koenig both of them were engineers at Zeiss. these binoculars were patented in 1902 and are widely used since then they're only made in Germany and Austria and the manufacturing procedure is very complicated only a few companies in the world produce them among them are Zeiss, Docter, Swarovski and Optolite the main physical feature you can see right away is that their construction is longer than compared to Schmidt & Pechan binoculars in my right hand I hold Delta Titanium 8 x 56 and in my left hand I hold Zeiss Victory 8 x 54 and as you can see a difference in length when it comes to positive features there are more compact than Porro prism binoculars but offer almost the same light transmissi