▁allow ▁visitors ▁to ▁obtain ▁a ▁closer ▁view ▁of ▁the ▁att raction . ▁ ▁Land ▁surve ys ▁and ▁ge ographic ▁data ▁collection ▁ ▁Although ▁technology ▁has ▁sur pass ed ▁using ▁bin oc ular s ▁for ▁data ▁collection , ▁histor ically ▁these ▁were ▁advanced ▁tools ▁used ▁by ▁ge ograph ers ▁and ▁other ▁ge os cient ists . ▁Field ▁glass es ▁still ▁today ▁can ▁provide ▁visual ▁aid ▁when ▁surve ying ▁large ▁areas . ▁ ▁Bird ▁watching ▁ ▁Bird watch ing ▁is ▁a ▁very ▁popular ▁h ob by ▁among ▁nature ▁and ▁animal ▁lo vers ▁and ▁a ▁bin oc ular ▁is ▁their ▁most ▁basic ▁tool . ▁Typ ically ▁bin oc ular s ▁with ▁a ▁magn ification ▁of ▁ 7 x ▁to ▁ 1 0 x ▁are ▁used . ▁ ▁Hun ting ▁ ▁Hun ters ▁commonly ▁use ▁bin oc ular s ▁in ▁the ▁field ▁as ▁a ▁way ▁to ▁see ▁game ▁animals ▁that ▁are ▁too ▁far ▁away ▁to ▁spot ▁with ▁the ▁n aked ▁eye . ▁ ▁Hun ters ▁most ▁commonly ▁use ▁ 8 x ▁bin oc ular s ▁with ▁light ▁transmission ▁and ▁large ▁enough ▁object ives ▁to ▁gather ▁light ▁in ▁low ▁light ▁conditions . ▁ ▁Range ▁finding ▁▁ ▁Many ▁bin oc ular s ▁have ▁a ▁range ▁finding ▁ret icle ▁( scale ) ▁super im posed ▁upon ▁the ▁view . ▁This ▁scale ▁allows ▁the ▁distance ▁to ▁the ▁object ▁to ▁be ▁estimated ▁if ▁the ▁object ' s ▁height ▁is ▁known ▁( or ▁estim able ). ▁The ▁common ▁mar iner ▁ 7 × 5 0 ▁bin oc ular s ▁have ▁these ▁scales ▁with