{"product_id":"optoma-zk521st","title":"Optoma ZK521ST 4K UHD Short Throw Laser Projector","description":"\u003ch2\u003eOptoma ZK521ST\u003c\/h2\u003e\n\u003ch3\u003eCompact 4K UHD Short Throw Laser Projector, 5,000 Lumens\u003c\/h3\u003e\n\u003cp\u003eThe Optoma ZK521ST puts a true 4K UHD (3840 × 2160) picture on a big screen from a short distance. Its 0.79:1 short-throw lens fills a screen of up to 300\" from just 5.8 feet away, so you get a large, shadow-free image even in a smaller room, boardroom or classroom.\u003c\/p\u003e\n\u003cp\u003eWith 5,000 lumens, a DuraCore laser rated for up to 30,000 hours (Eco mode) and 24\/7 operation, it is built for reliable, low-maintenance use, with central management through Optoma Management Suite and control from your phone with the Optoma Smart Control app.\u003c\/p\u003e\n\u003c!-- split --\u003e\u003c!-- TABS --\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cdiv class=\"centredtext\"\u003e\n\u003ch3\u003eTrue 4K UHD\u003c\/h3\u003e\n\u003cp\u003eUp to 8.3 million pixels of 4K UHD (3840 × 2160) resolution from DLP technology, so even small text and detailed graphs stay sharp and easy to read.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Optoma ZK521ST 4K UHD picture\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/optoma-zk521st-4k.jpg?v=1792586953\"\u003e\u003c\/p\u003e\n\u003ch3\u003eBig Pictures From Tight Spaces\u003c\/h3\u003e\n\u003cp\u003eThe 0.79:1 short-throw lens fills the screen from just 5.8 feet away, with screen sizes from 30\" to 300\". The short-throw design reduces shadows, even in limited spaces.\u003c\/p\u003e\n\u003ch3\u003e5,000 Lumens for Rooms With Light\u003c\/h3\u003e\n\u003cp\u003eHigh brightness keeps the picture clear in rooms with ambient light, ideal for meetings, classrooms and commercial spaces.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Optoma ZK521ST display modes\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/optoma-zk521st-display-modes.jpg?v=1792586957\"\u003e\u003c\/p\u003e\n\u003ch3\u003eDuraCore Laser\u003c\/h3\u003e\n\u003cp\u003eThe mercury-free DuraCore laser gives consistent brightness and colour for up to 30,000 hours (Eco mode), with instant on\/off, lower power use and no lamps to replace.\u003c\/p\u003e\n\u003ch3\u003eOptoma Smart Control App\u003c\/h3\u003e\n\u003cp\u003eSet up and run the projector from your iOS or Android phone: power on\/off, input switching and status alerts, plus screen alignment with Smart Fit, which uses your phone’s camera to detect the screen frame and correct the image automatically.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Optoma Smart Control app\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/optoma-smart-control-app.jpg?v=1792586962\"\u003e\u003c\/p\u003e\n\u003ch3\u003eOptoma Management Suite\u003c\/h3\u003e\n\u003cp\u003eMonitor, diagnose and control your displays from one place, in the cloud or on your local network, with 24\/7 real-time status.\u003c\/p\u003e\n\u003ch3\u003eOver-the-Air Updates\u003c\/h3\u003e\n\u003cp\u003eFirmware updates download over the network, with no USB drive needed, keeping the projector up to date with new features and improvements.\u003c\/p\u003e\n\u003ch3\u003eFlexible Installation\u003c\/h3\u003e\n\u003cp\u003e±15° horizontal and vertical keystone correction, four-corner adjustment and vertical lens shift, with support for 360° and portrait-mode projection.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Optoma ZK521ST keystone correction\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/optoma-zk521st-keystone.jpg?v=1792586966\"\u003e\u003c\/p\u003e\n\u003ch3\u003eDesigned for Sustainability\u003c\/h3\u003e\n\u003cp\u003eBuilt with over 50% recycled metal and PCR materials, with a mercury-free laser and 100% recyclable packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle\u003e\n  .spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    border: none;\n    font-size: 0.95em;\n  }\n  .spec-table td {\n    padding: 9px 14px;\n    border: none;\n    vertical-align: top;\n  }\n  .spec-table tr.spec-header td {\n    background-color: #4a4a4a;\n    color: #ffffff;\n    font-weight: bold;\n    text-transform: uppercase;\n    letter-spacing: 0.04em;\n  }\n  .spec-table tr.spec-odd td {\n    background-color: #ffffff;\n  }\n  .spec-table tr.spec-even td {\n    background-color: #d0d0d0;\n  }\n  .spec-table td:first-child {\n    width: 40%;\n    font-weight: 500;\n  }\n\u003c\/style\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eDisplay\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eDLP®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e4K UHD (3840 x 2160)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eBrightness\u003c\/td\u003e\n\u003ctd\u003e5,000 lumens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eContrast Ratio\u003c\/td\u003e\n\u003ctd\u003e300,000:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eContrast Ratio (Dynamic)\u003c\/td\u003e\n\u003ctd\u003e2,000,000:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eNative Aspect Ratio\u003c\/td\u003e\n\u003ctd\u003e16:9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eCompatible Aspect Ratios\u003c\/td\u003e\n\u003ctd\u003e4:3, 16:9, 16:10, Full, Auto, Native\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eKeystone Correction\u003c\/td\u003e\n\u003ctd\u003eHorizontal ±15°, vertical ±15°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eHorizontal Scan Rate\u003c\/td\u003e\n\u003ctd\u003e15 – 150 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eVertical Scan Rate\u003c\/td\u003e\n\u003ctd\u003e24 – 240 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eUniformity\u003c\/td\u003e\n\u003ctd\u003e75%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eScreen Size\u003c\/td\u003e\n\u003ctd\u003e30\" – 300\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eLight Source\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eLight Source Type\u003c\/td\u003e\n\u003ctd\u003eLaser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eLight Source Life\u003c\/td\u003e\n\u003ctd\u003e30,000 hours (Eco mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eOptical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eThrow Ratio\u003c\/td\u003e\n\u003ctd\u003e0.79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eProjection Distance\u003c\/td\u003e\n\u003ctd\u003e1 m – 10 m (mechanism travel); 0.89 m – 2.93 m (optical travel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eZoom\u003c\/td\u003e\n\u003ctd\u003en\/a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e11.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eNative Offset\u003c\/td\u003e\n\u003ctd\u003e104% – 125%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eLens Shift\u003c\/td\u003e\n\u003ctd\u003eVertical 104% – 125%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eConnectivity\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e2 x HDMI 2.0, 1 x VGA In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2 x USB-A 2.0, 1 x 3D sync out, 1 x Audio 3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003e1 x RJ45, 1 x RS232, 1 x 12V trigger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eNetworking\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eLAN Control\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eAudio\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eSpeaker\u003c\/td\u003e\n\u003ctd\u003e1 x 15W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eGeneral\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e29 dB(A) (min and max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eInput Lag\u003c\/td\u003e\n\u003ctd\u003e4K\/60Hz: 16.7 ms · 1080p\/60Hz: 16.7 ms · 1080p\/120Hz: 8.6 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003ePC Compatibility\u003c\/td\u003e\n\u003ctd\u003eVGA, SVGA, XGA, 720p, WXGA, SXGA, SXGA+, UXGA, 1080p, WUXGA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003e2D Compatibility\u003c\/td\u003e\n\u003ctd\u003eNTSC, PAL, SECAM, SDTV, HDTV, UHD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003e3D Compatibility\u003c\/td\u003e\n\u003ctd\u003eSupports all HDMI 1.4a mandatory 3D formats (frame pack, side-by-side, top-bottom); up-converts frame rate from 60Hz to 120Hz or 24Hz to 144Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003e24\/7 Operation\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003e360° Operation\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eSecurity\u003c\/td\u003e\n\u003ctd\u003eSecurity bar, Kensington Lock, password-protected interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eOSD Languages\u003c\/td\u003e\n\u003ctd\u003e27 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Vietnamese\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eOperating Conditions\u003c\/td\u003e\n\u003ctd\u003e0 – 40°C (tolerance ±2°C); max altitude 10,000 ft (for 0°C – 15°C); max humidity 80% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eRemote Control\u003c\/td\u003e\n\u003ctd\u003eBusiness remote control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eIn the Box\u003c\/td\u003e\n\u003ctd\u003eAC power cord, remote control, 2 x AAA batteries, quick start user manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eSoftware\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eOptoma Management Suite\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eOptoma Smart Control App\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003ePower\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eAC 100 – 240 V, 50 – 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eStandby Power\u003c\/td\u003e\n\u003ctd\u003e≤0.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003ePower Consumption (Eco Mode)\u003c\/td\u003e\n\u003ctd\u003e147 W @ 110VAC; 146 W @ 220VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003ePower Consumption (Bright Mode)\u003c\/td\u003e\n\u003ctd\u003e196 W @ 110VAC; 193 W @ 220VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-header\"\u003e\u003ctd colspan=\"2\"\u003eDimensions \u0026amp; Weight\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eDimensions (W × D × H)\u003c\/td\u003e\n\u003ctd\u003eWithout feet: 216 × 274 × 108.5 mm; with feet: 216 × 274 × 114 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-odd\"\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e3.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-even\"\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e4.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Optoma","offers":[{"title":"Default Title","offer_id":67820575588446,"sku":"ZK521ST","price":55858.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/optoma-zk521st-1.jpg?v=1792586976","url":"https:\/\/www.ultrasound.co.za\/products\/optoma-zk521st","provider":"Ultra Sound \u0026 Vision","version":"1.0","type":"link"}