VIEWSONIC TD2423 DOKUNMATIK MONITOR 23.6 7MS 60HZ VA 1920X1080 FHD 250 VGA HDMI 16:9 20M:1 16.7M HOPARLOR 10 NOKTA DOKUNMATIK FLICKER FREE MAVI ISIK FILTRESI TILT VESA ENERGY STAR EPEAT