/ BaK-4 prisms and multi-coated optics / Waterproof and fog proof-unaffected by climate and temperature changes / Protective rubber covering / Molded finger impressions for a firm grip / Moisture resistant neoprene carrying case / No-Fault Lifetime Warranty. / 5.2 degree angular field of view, 272 ft. Linear FOV, 2,5mm exit pupil, 16mm eye relief, 13 ft. near focus. / 8 x 25 and 10 x 25 - Weight: 14 oz. 8 x 42 - Weight: 24 oz.