Epson Standard Zoom V12H004S05 Throw Ratio: 1.30 – 2.36, f/1.6 – f/2.5 for EPSON 5200

You Choice of Short Rear, Middle Lenes.
Epson ELPLM05 Middle Throw Zoom Lens 3.50:1-5.34:1
Epson ELPLR03 Rear Throw Lens 0.77:1