Rangefinders tau siv dav
Muaj kev them nyiaj nqes hav, tab sis tsis muaj txoj kab nqes nqes hloov khawm: tsuas yog rau kev cob qhia txhua hnub, tab sis txawm tias nws yog lub dav hlau kab rov tav lossis txoj kab nqes, qhov inclination, nws tuaj yeem ntsuas qhov deb. Txawm hais tias qhov rangefinder no tsuas yog tsim nyog rau kev cob qhia txhua hnub, tsis yog txhua tus players yog cov kws tshaj lij, kev txhim kho txhua hnub ntawm kev siv tshuab, siv ntau zaus, siv qhov rangefinder no txaus. Yog li ntawd, tus nqi kuj tseem pheej yig thiab nruab nrab, vim tias qhov kev thov yog siab, yog li kev lag luam kuj muaj ntau dua.
