파나소닉 : PT-EX16KE 투사거리 http://uhitech.co.kr/ek_2/zzz_html/product_projector_distance_pt-ex16ke.html?id=pt-ex16ke 산요 : PLC-XF47 http://uhitech.co.kr/ek_2/zzz_html/product_projector_distance_xf47.html?id=xf47