The Alpen Rainier 10x42mm EDHD Binocular features a Schmidt-Pechan roof prism made of BaK-4 glass which has a reflective surface covered by 60 metallic SHR coatings--the purpose of which is to minimiz..
Features an SHR metallic coating put on the reflective surface of Schmidt-Pechan prisms to ensure high transmission. On the prisms, there is also a PXA phase correction and multi-layer coating on all ..
Perfect for any birder on a budget. The Firefield Emissary 8x21mm Compact Binoculars offer a static 8x magnification and a 21mm multi-coated lens system for a clear, wide field of view. Their compact ..
