![]() ![]() Part of the output from the BU53PST's powerful blue diode laser is converted to red and green streams of light. ![]() Inside, the projector has sealed optics, solid state lighting components, and doesn't need a dust filter. The good news is that the BU53PST is just about maintenance free with a rated lifetime of 20,000 hours or the equivalent of 12.5 years of typical business use of 200 days a year for 8 hours a day. That makes these models among the least expensive true 4K-resolution laser projectors in the 5,000-6,000 lumen product class, and it makes the BU53PST, by far, the cheapest 4K short-throw model in its class. It does get by with a specified light output of "up to 5,000 ANSI lumens" versus the BU60PST's 6,000 lumens, but comes in with a $4,299 street price vs the $4,999 ticket on the BU60PST, and is priced right alongside the standard-throw, 5,000-lumen BU50NST at $4,266. The best part is that the BU53PST doesn't sacrifice the things we liked most about the ProBeam BU60PST, namely its 3840x2160 resolution, zero maintenance design and inexpensive price tag. ![]() The short throw lens also makes the BU53PST a good candidate for golf simulators, where high value is placed on fine detail and good color accuracy. Its short throw optics can work in oddly shaped rooms where other projectors can't, and may mean that a teacher, presenter or cleric can stand in front of it to avoid casting shadows on the screen. Rather than the ability to fill a screen with images from across a mid-sized conference room, lecture hall or small church, it can do it from a few feet away. The LG Pro Beam BU53PST builds on the proven record of the BU60PST and BU50NST models but with a twist. Still, at $4,299, the BU53PST is plenty bright enough to light up the room from close-up and an excellent value in its product class. There's also no video-out port for a house of worship's overflow room, a lecturer's podium or a conference room leader's personal display. Despite its Wi-Fi and Bluetooth bona fides, the projector lacks an integrated web page for monitoring and controlling the projector from a network, and it's multiple-menu structure can make operation confusing. Nonetheless, like the BU60PST it's partly based on ( reviewed by ProjectorCentral in 2021), the BU53PST suffers a few caveats. ![]()
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