51.0 Optical Performance Tested under 60” (diagonal) image size with Wideprojection lens position unless other specified.1.1 ANSI BrightnessX1130P/X1130PA/X1230P : Minimum 2000 LumensX1230PK/X1230PA : Minimum 1840 LumensX1237 Minimum 2400 Lumens1.2 Brightness Uniformity1.2.1 ANSI Uniformity Minimum 55%1.2.2 JBMA Uniformity Minimum 75%1.2.3 Upper-Downunbalance 0.5~21.2.4 Left-Rightunbalance 0.6~1.671.3 Contrast Ratio1.3.1 ANSI Contrast Minimum 150:11.3.2 FOFO Contrastwithout APMX1130P/X1130PA/ X1230P/ X1237: Minimum 1600:1X1230PK/X1230PA : Minimum 1100:11.3.3 FOFO Contrast withAPMX1130P/X1130PA/ X1230P/ X1237: Minimum 2100:1X1230PK/X1230PA : Minimum 1200:11.4 Light Leakage1.4.1 Light Leakage inActive Area<0.5 lux compared to center point within 60” (Diagonal at2.3m, Wide) image size. Note: This light leakage in Activearea is only described as the spot light with obvious shape.It is not included the uniformity difference of the projector forblack pattern.1.4.2 Light Leakage out ofActive Area(Except DMD Defect)<0.5 lux with 60”~80“(Diagonal at 2.3m, Wide) image size1.5 ColorX Y1.5.1 White 0.314±0.04 0.377±0.041.5.2 Red 0.647±0.04 0.341±0.041.5.3 Green 0.344±0.04 0.587±0.041.5.4 Blue 0.139±0.03 0.090±0.031.6 Color Uniformity X Y1.6.1 White 0.040 0.0401.6.2 Red 0.040 0.0401.6.3 Green 0.040 0.0401.6.4 Blue 0.040 0.0401.7 Color Gamut Typ 60% compare NTSC2.0 Image Quality2.1 Throw Ratio 52.5”±3% Diagonal at 2m, Wide2.2 Zoom Ratio (toleranceapplied) 1.1±2%2.3 Distortion2.3.1 Keystone Distortion <1.0%2.3.2 Vertical TVDistortion <1.0%2.4 Projection Offset 120% ±5%2.5 Focus Range2.5.1 Visible Range 1~8 m