8x56Objective lensArmorEyecupFocus wheelHinge and bridgeNumbersPrism housingSchematic roof-prism drawing at 56 mm.Not to scale. Shows where the parts sit on a typical pair.Specs from our list notesMagnification8xObjective lens56 mmExit pupil7 mmEye relief23 mmGlass and coatingsFully multi-coatedClose focus4 mInterpupillary distance56 to 76 mmBodyAluminum, rubber armorSealingWaterproof, fogproofField of view400 ft at 1000 yds