This is a original inside lamp, meaning the bulb used is the same as in the original lamp from SONY. As the original bulb is used you can be sure the performance will match the original. See below for more options.
Sony LMP-E191 Projector Lamp with Module - MyProjectorLamps USA
Sony LMP-E221 Replacement Lamp for VPL-E300-Series LMP-E221 B&H
The Sony LMP-E180 projector lamp with module is a genuine original replacement part for specific Sony projectors. It has a UHP OEM Genuine Original
Sony LMP-E180 Projector Lamp with Module
SONY VPL-PX21 lamp/bulb - Fast worldwide shipping, great prices
SONY VPL-ES7 lamp/bulb - Fast worldwide shipping, great prices
Projector Lamps
Original OEM LMP-H220 Replacement Lamp & Housing for Sony
Original OEM LMP-H220 Replacement Lamp & Housing for Sony
SONY VPL-CX1 lamp/bulb - Fast worldwide shipping, great prices
IET Lamps only use original manufacturer OEM bulbs inside. IET Lamps housing units are made from durable and high quality materials and are guaranteed
Genuine OEM Replacement Lamp for Sony VPL-BW7, VPL-ES7 Projector - IET Lamps with One Year Warranty (Power by Philips)