... 41-2.55, f = 21.79mm-23.99mm, 1:1.1 Manual and automatic camera lensBrightness uniformity value: 85%Projection ... screen aspect ratio: 4:3,16:9Color: 1.07 millions of colorsProjection Screen Size: 23-300 ... inchesProjection distance (m): 1-11.9 mProjector mode: front, rear, liftingAdjustment function ... .43), PAL (B / D / G / H / I / M / N), SECAM (B/D/G/K/K1/L), HDTV (720p, 1080i, ...