Marathon Porro Prism Binocular 8 x 40
PREMIUM QUALITY PRISM– Barium Crown glass (BAK4) Porro prism.SPECIFICATION– 8x magnification and 40mm objective diameter.FIELD OF VIEW– 435 ft @ 1000 yds / 145m @ 1000m. Center focus with independent right ocular adjustment.LENSES– FBMC (Fully Broadband Multi-Coating) glass coated lenses for s