ʻO Leica GPR121 hou e like me ka nānā ʻana i ka hale kiaʻi Prism Assembly Tilting Prism Reflector Survey Prism no ka huina holoʻokoʻa

ʻO kahi prisma pōʻai pololei me ka uhi anti-reflex, kahi i kau ʻia i loko o ka mea paʻa metala a hiki i ka 3,500 m (11,500 ft). Hiki ke hoʻoneʻe ʻia ka pā paʻa GPR121.

• Ka pololei o ke kikowaena 1.0 mm