细节
A pair of prismatic range-finder telescopic binoculars,
by Carl Zeiss, No. 85516, the eyepieces with micrometer fine adjustment, with stand attachment -- 20in. (50.8cm.) high overall
by Carl Zeiss, No. 85516, the eyepieces with micrometer fine adjustment, with stand attachment -- 20in. (50.8cm.) high overall