Optics expert Ron Spomer reviews a new, compact 10×42 HD binocular that compares favorably with a Swarovski EL! Spomer explains the value and purpose of BaK4 prisms, phase coating, dieletric mirrors, HD glass, multi-anti-reflection coatings and more.
Amazon Auto Links: No products found.
Hey,I think your getting better at this stuff
Good jop