{"product_id":"optoma-zk521st-compact-4k-uhd-5-000-lumen-short-throw-laser-business-and-education-projector","title":"Optoma ZK521ST Compact 4K UHD 5,000 Lumen Short Throw Laser Business and Education Projector","description":"\u003ch2\u003eOptoma ZK521ST – 4K UHD 5,000-Lumen Short Throw Laser Projector\u003c\/h2\u003e\u003cp\u003eThe Optoma ZK521ST combines true 4K UHD image quality, powerful 5,000-lumen brightness, and a compact short-throw design to deliver exceptional visual performance in business, education, simulation, and commercial environments. Designed for 24\/7 operation, this maintenance-free laser projector provides large, shadow-free images in spaces where traditional projectors may not fit.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e    \u003cli\u003e\n\u003cstrong\u003eTrue 4K UHD Resolution:\u003c\/strong\u003e 3840 × 2160 resolution delivers sharp text, detailed graphics, and crisp imagery.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003e5,000 Lumens Brightness:\u003c\/strong\u003e Brilliant image performance even in brightly lit rooms.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eShort Throw Lens:\u003c\/strong\u003e 0.79:1 throw ratio projects large images from a short distance while reducing shadows.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eDuraCore Laser Technology:\u003c\/strong\u003e Up to 30,000 hours of maintenance-free operation.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003e24\/7 Reliability:\u003c\/strong\u003e Engineered for continuous professional operation.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eCentralized Device Management:\u003c\/strong\u003e Compatible with Optoma Management Suite (OMS™).\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eSmart Control App:\u003c\/strong\u003e Mobile-based control, monitoring, and intelligent screen alignment.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eEco-Friendly Design:\u003c\/strong\u003e Manufactured with recycled metals and post-consumer recycled materials.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBrighter, Greener, and Longer-Lasting Projection\u003c\/h3\u003e\u003cp\u003eOptoma's next-generation laser projection technology offers an environmentally responsible and cost-effective solution for modern AV installations. Designed to eliminate lamp replacements while reducing maintenance requirements, the ZK521ST delivers exceptional performance and long-term value.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eMaintenance-free laser light source\u003c\/li\u003e    \u003cli\u003eOver-the-air firmware updates\u003c\/li\u003e    \u003cli\u003eCompact installation footprint\u003c\/li\u003e    \u003cli\u003eReduced energy consumption\u003c\/li\u003e    \u003cli\u003eLong operating lifespan\u003c\/li\u003e    \u003cli\u003eAdvanced management tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHigh Brightness for Ambient Light Environments\u003c\/h3\u003e\u003cp\u003eWith 5,000 lumens of brightness, the ZK521ST delivers clear and impactful presentations even in rooms with significant ambient light. The short-throw design enables larger images while minimizing presenter shadows and installation challenges.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eBright 5,000-lumen output\u003c\/li\u003e    \u003cli\u003eExcellent daytime visibility\u003c\/li\u003e    \u003cli\u003eIdeal for classrooms and meeting spaces\u003c\/li\u003e    \u003cli\u003eSupports screen sizes up to 300 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExceptional True 4K UHD Image Quality\u003c\/h3\u003e\u003cp\u003eExperience stunning image clarity with over 8.3 million pixels of true 4K UHD resolution. Small text, complex spreadsheets, technical drawings, and detailed graphics remain sharp and easy to read from virtually anywhere in the room.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003e3840 × 2160 native resolution\u003c\/li\u003e    \u003cli\u003eUltra-sharp text and graphics\u003c\/li\u003e    \u003cli\u003eExcellent detail reproduction\u003c\/li\u003e    \u003cli\u003eProfessional-quality image performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDuraCore Laser Technology\u003c\/h3\u003e\u003cp\u003eOptoma's proven DuraCore laser engine delivers consistent brightness, vivid colors, and long-term reliability without requiring lamp replacements.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eUp to 30,000 hours operating life\u003c\/li\u003e    \u003cli\u003eInstant power on and off\u003c\/li\u003e    \u003cli\u003eNo lamp replacement costs\u003c\/li\u003e    \u003cli\u003eReduced maintenance requirements\u003c\/li\u003e    \u003cli\u003eLower total cost of ownership\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTailored Display Modes for Business and Education\u003c\/h3\u003e\u003cp\u003eSpecially optimized display modes enhance image quality for presentations, training sessions, classrooms, and collaborative environments. Advanced DLP technology ensures color accuracy and image consistency over time.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003ePresentation mode\u003c\/li\u003e    \u003cli\u003eClassroom mode\u003c\/li\u003e    \u003cli\u003eBusiness graphics optimization\u003c\/li\u003e    \u003cli\u003eAccurate color reproduction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSmart Control App\u003c\/h3\u003e\u003cp\u003eThe Optoma Smart Control App simplifies setup and operation by allowing users to manage projector settings directly from a smartphone or tablet.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eRemote power control\u003c\/li\u003e    \u003cli\u003eInput source switching\u003c\/li\u003e    \u003cli\u003eStatus monitoring\u003c\/li\u003e    \u003cli\u003eSmart alignment tools\u003c\/li\u003e    \u003cli\u003eiOS and Android compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSmart Screen Alignment\u003c\/h3\u003e\u003cp\u003eInstallation is faster and easier with intelligent image correction tools that automatically optimize screen alignment.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eSmart Fit auto-alignment\u003c\/li\u003e    \u003cli\u003eSmart Move positioning\u003c\/li\u003e    \u003cli\u003eKeystone correction\u003c\/li\u003e    \u003cli\u003eFour-corner image adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOptoma Management Suite (OMS™)\u003c\/h3\u003e\u003cp\u003eOMS™ provides centralized monitoring, diagnostics, and control of connected projectors through cloud-based or local network deployment.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eRemote device monitoring\u003c\/li\u003e    \u003cli\u003eReal-time alerts and diagnostics\u003c\/li\u003e    \u003cli\u003eCentralized IT management\u003c\/li\u003e    \u003cli\u003eConfiguration and performance optimization\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOver-the-Air Firmware Updates\u003c\/h3\u003e\u003cp\u003eKeep the projector updated with the latest features, security updates, and performance enhancements without requiring USB drives or onsite intervention.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eAutomatic update notifications\u003c\/li\u003e    \u003cli\u003eOne-click firmware installation\u003c\/li\u003e    \u003cli\u003eReduced IT workload\u003c\/li\u003e    \u003cli\u003eImproved system reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFlexible Installation Options\u003c\/h3\u003e\u003cp\u003eAdvanced image adjustment tools enable simple installation across a wide range of environments and projection surfaces.\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eHorizontal Keystone Correction: ±15°\u003c\/li\u003e    \u003cli\u003eVertical Keystone Correction: ±15°\u003c\/li\u003e    \u003cli\u003eFour-corner image adjustment\u003c\/li\u003e    \u003cli\u003eVertical lens shift\u003c\/li\u003e    \u003cli\u003e360° projection support\u003c\/li\u003e    \u003cli\u003ePortrait mode projection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cul\u003e    \u003cli\u003eCorporate meeting rooms\u003c\/li\u003e    \u003cli\u003eHigher education classrooms\u003c\/li\u003e    \u003cli\u003eTraining facilities\u003c\/li\u003e    \u003cli\u003eSimulation environments\u003c\/li\u003e    \u003cli\u003eDigital signage\u003c\/li\u003e    \u003cli\u003eMuseums and exhibits\u003c\/li\u003e    \u003cli\u003eCommercial installations\u003c\/li\u003e    \u003cli\u003eHouse of worship applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e    \u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e DLP®\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 4K UHD (3840 × 2160)\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e 5,000 Lumens\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eContrast Ratio:\u003c\/strong\u003e 300,000:1 (2,000,000:1 Dynamic)\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eAspect Ratio:\u003c\/strong\u003e Native 16:9\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eThrow Ratio:\u003c\/strong\u003e 0.79:1\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eProjection Size:\u003c\/strong\u003e 30\" – 300\"\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eLight Source:\u003c\/strong\u003e Laser\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eLaser Life:\u003c\/strong\u003e Up to 30,000 Hours (Eco Mode)\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eLens Shift:\u003c\/strong\u003e Vertical 104%–125%\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e 29 dB\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eSpeaker:\u003c\/strong\u003e 15W Built-In Speaker\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003e24\/7 Operation:\u003c\/strong\u003e Yes\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003e360° Projection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConnectivity\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e 2 × HDMI 2.0, 1 × VGA | \u003cstrong\u003eOutputs:\u003c\/strong\u003e 2 × USB-A 2.0, 1 × 3D Sync Out, 1 × 3.5mm Audio Out | \u003cstrong\u003eControl:\u003c\/strong\u003e 1 × RJ45, 1 × RS232, 1 × 12V Trigger\u003c\/p\u003e\u003ch3\u003eWhy Choose the Optoma ZK521ST?\u003c\/h3\u003e\u003cp\u003eThe Optoma ZK521ST offers a powerful combination of true 4K resolution, high brightness, flexible short-throw installation, and maintenance-free laser performance. Whether deployed in classrooms, boardrooms, training environments, simulations, or commercial spaces, it delivers reliable operation, simplified management, and outstanding visual quality backed by up to 30,000 hours of laser light source life.\u003c\/p\u003e","brand":"Optoma","offers":[{"title":"Default Title","offer_id":54452971045143,"sku":"OPTZK521ST","price":2699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/5859\/7655\/files\/OPTZK521ST.jpg?v=1784743821","url":"https:\/\/shop.avispl.com\/products\/optoma-zk521st-compact-4k-uhd-5-000-lumen-short-throw-laser-business-and-education-projector","provider":"AVI-SPL Shop","version":"1.0","type":"link"}