Yuav ua li cas xaiv lub laser rangefinder uas phim qhov ntau thiab tus nqi?
Ua ntej sib tham txog tus nqi ntawm qhov rangefinder, peb yuav tsum xub paub tias muaj ob hom laser rangefinders. Ib tug yog handheld laser rangefinder. Qhov ntau yog luv luv, feem ntau 40-300 meters, thiab qhov ntsuas qhov tseeb yog siab. Lwm qhov yog lub laser rangefinder telescope, feem ntau yog 500-2000 meters, thiab qhov ntev tshaj plaws yuav ncav cuag 20 kilometers.
