VIEWSONIC VG2709-2K-MHD WORKPRO MONITOR 27 5ms 75Hz IPS 2560x1440 2K 250 HDMI DP 16:9 50M:1 16.7M HOPARLOR 3 KENAR CERCEVESIZ FLICKER FREE MAVI ISIK FILTRESI TILT SWIVEL PIVOT YUKSEKLIK AYARI VESA ENERGY STAR