Epson PowerLite 1781W 3200-Lumen WXGA 3LCD Projector - Manual (Page 169)

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Technical Specifications
These sections list the technical specifications of your projector.
General Projector Specifications
Projector Lamp Specifications
Remote Control Specifications
Projector Dimension Specifications
Projector Electrical Specifications
Projector Environmental Specifications
Projector Safety and Approvals Specifications
Supported Video Display Formats
USB Display System Requirements
General Projector Specifications
Type of display Poly-silicon TFT active matrix
Resolution PowerLite 1780W/1781W/1785W :
1280 × 800 pixels (WXGA)
PowerLite 1795F :
1920 × 1080 pixels (1080P)
Lens F=1.58 to 1.7
PowerLite 1780W/1781W/1785W :
Focal length: 13.52 to 16.22 mm
PowerLite 1795F :
Focal length: 14.06 to 16.82 mm
Color reproduction Full color, up to 1 billion colors