Acer X123PH 1024 x 768, 3000 Lumens, 13000:1 Contract Ratio, HDMI Input, 3D Ready, DLP Office Projector Cabinet Color: White Aspect Ratio: 4:3 (Native), 16:9 Contrast Ratio: 13,000:1 Display Size: 23 (58cm) - 300 (762cm) Horizontal Refresh Rate: 15k - 100 Hz Vertical Refresh Rate: 24 - 120 Hz Lens: 1:1.1 Manual Zoom and Manual Focus f Number: 2.41 ~ 2.55 |