{"product_id":"hitachi-sd-903-standard-lens","title":"Hitachi SD-903 Standard Lens - SD903","description":"\u003ch2\u003eHitachi SD-903 Standard Lens - SD903\u003c\/h2\u003e\n\u003cp\u003eThe Hitachi SD-903 Standard Lens from Hitachi is for use with the LP-WU9750 WUXGA Projector. This lens features a focus distance of 1.8 to 21.4m (wide) and 2.7 to 31.9m (tele).\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think  \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1anui1w\" data-start=\"27\" data-end=\"173\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"59\"\u003eReliable replacement lamp:\u003c\/strong\u003e The DT00421 is designed to restore original brightness and performance in compatible Hitachi projector systems.\u003c\/li\u003e\n\u003cli data-section-id=\"1gvfcz6\" data-start=\"174\" data-end=\"291\"\u003e\n\u003cstrong data-start=\"176\" data-end=\"203\"\u003eRestores image quality:\u003c\/strong\u003e Helps recover strong luminance, contrast, and color accuracy for clear presentations.\u003c\/li\u003e\n\u003cli data-section-id=\"1m52rox\" data-start=\"292\" data-end=\"400\"\u003e\n\u003cstrong data-start=\"294\" data-end=\"325\"\u003eCost-effective maintenance:\u003c\/strong\u003e Extends projector lifespan without the need for full system replacement.\u003c\/li\u003e\n\u003cli data-section-id=\"1palqmt\" data-start=\"401\" data-end=\"512\"\u003e\n\u003cstrong data-start=\"403\" data-end=\"438\"\u003eConsistent professional output:\u003c\/strong\u003e Supports stable performance for classrooms, offices, and meeting rooms.\u003c\/li\u003e\n\u003cli data-section-id=\"b45ro\" data-start=\"513\" data-end=\"612\"\u003e\n\u003cstrong data-start=\"515\" data-end=\"544\"\u003eEasy installation design:\u003c\/strong\u003e Built for straightforward lamp replacement with minimal downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1dj3b4d\" data-start=\"613\" data-end=\"734\"\u003e\n\u003cstrong data-start=\"615\" data-end=\"641\"\u003eCompatible system fit:\u003c\/strong\u003e Engineered specifically for supported Hitachi projector models to ensure proper operation.\u003c\/li\u003e\n\u003cli data-section-id=\"y0j4k3\" data-start=\"735\" data-end=\"847\"\u003e\n\u003cstrong data-start=\"737\" data-end=\"767\"\u003eEssential consumable part:\u003c\/strong\u003e Key maintenance component for keeping projection systems running efficiently.\u003c\/li\u003e\n\u003cli data-section-id=\"fu1avv\" data-start=\"848\" data-end=\"966\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"850\" data-end=\"875\"\u003eDependable daily use:\u003c\/strong\u003e Suitable for regular commercial and educational environments requiring consistent visuals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e                 \u003cbr\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"181\"\u003e\u003cstrong data-start=\"0\" data-end=\"49\"\u003eQ: What is the Hitachi DT00421 Lamp used for?\u003c\/strong\u003e\u003cbr data-start=\"49\" data-end=\"52\"\u003e\u003cstrong data-start=\"52\" data-end=\"58\"\u003eA:\u003c\/strong\u003e It is a replacement projector lamp designed for compatible Hitachi models, restoring optimal brightness and image clarity.\u003c\/p\u003e\n\u003cp data-start=\"183\" data-end=\"376\"\u003e\u003cstrong data-start=\"183\" data-end=\"244\"\u003eQ: Which projectors are compatible with the DT00421 Lamp?\u003c\/strong\u003e\u003cbr data-start=\"244\" data-end=\"247\"\u003e\u003cstrong data-start=\"247\" data-end=\"253\"\u003eA:\u003c\/strong\u003e It works with select Hitachi projector models. Always confirm your exact model number before purchasing for compatibility.\u003c\/p\u003e\n\u003cp data-start=\"378\" data-end=\"572\"\u003e\u003cstrong data-start=\"378\" data-end=\"434\"\u003eQ: When should the Hitachi DT00421 Lamp be replaced?\u003c\/strong\u003e\u003cbr data-start=\"434\" data-end=\"437\"\u003e\u003cstrong data-start=\"437\" data-end=\"443\"\u003eA:\u003c\/strong\u003e Replace it when brightness drops, colors fade, or the lamp warning indicator appears, typically after thousands of hours of use.\u003c\/p\u003e\n\u003cp data-start=\"574\" data-end=\"751\"\u003e\u003cstrong data-start=\"574\" data-end=\"630\"\u003eQ: Does the DT00421 Lamp improve projection quality?\u003c\/strong\u003e\u003cbr data-start=\"630\" data-end=\"633\"\u003e\u003cstrong data-start=\"633\" data-end=\"639\"\u003eA:\u003c\/strong\u003e Yes. A new lamp restores original brightness, contrast, and color accuracy for clear presentations and visuals.\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"947\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"753\" data-end=\"818\"\u003eQ: Is the Hitachi DT00421 Lamp suitable for professional use?\u003c\/strong\u003e\u003cbr data-start=\"818\" data-end=\"821\"\u003e\u003cstrong data-start=\"821\" data-end=\"827\"\u003eA:\u003c\/strong\u003e Yes. It is designed for business, education, and installation projectors requiring consistent and reliable performance.\u003c\/p\u003e\n\u003ch5\u003e               \u003cbr\u003eMaintenance Tips        \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"lvscfq\" data-start=\"120\" data-end=\"232\"\u003e\n\u003cstrong data-start=\"122\" data-end=\"152\"\u003eAvoid rapid power cycling:\u003c\/strong\u003e Let the projector run for longer sessions; frequent on\/off reduces lamp life.\u003c\/li\u003e\n\u003cli data-section-id=\"1qw8bh0\" data-start=\"233\" data-end=\"350\"\u003e\n\u003cstrong data-start=\"235\" data-end=\"264\"\u003eComplete cool-down cycle:\u003c\/strong\u003e Always allow the cooling fan to finish before unplugging to prevent thermal damage.\u003c\/li\u003e\n\u003cli data-section-id=\"s2a17k\" data-start=\"351\" data-end=\"458\"\u003e\n\u003cstrong data-start=\"353\" data-end=\"379\"\u003eHandle only when cool:\u003c\/strong\u003e Never install or remove the lamp while hot to avoid glass stress and injury.\u003c\/li\u003e\n\u003cli data-section-id=\"12xeem\" data-start=\"459\" data-end=\"567\"\u003e\n\u003cstrong data-start=\"461\" data-end=\"488\"\u003eKeep air filters clean:\u003c\/strong\u003e Dust buildup causes overheating—the leading cause of premature lamp failure.\u003c\/li\u003e\n\u003cli data-section-id=\"1ru94v3\" data-start=\"568\" data-end=\"683\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"600\"\u003eEnsure proper ventilation:\u003c\/strong\u003e Maintain clear airflow around projector vents (no blocking or tight enclosures).\u003c\/li\u003e\n\u003cli data-section-id=\"1td1uwi\" data-start=\"684\" data-end=\"783\"\u003e\n\u003cstrong data-start=\"686\" data-end=\"717\"\u003eUse Eco Mode when possible:\u003c\/strong\u003e Reduces lamp stress and helps extend usable life significantly.\u003c\/li\u003e\n\u003cli data-section-id=\"14ir2d8\" data-start=\"784\" data-end=\"891\"\u003e\n\u003cstrong data-start=\"786\" data-end=\"810\"\u003eStable power supply:\u003c\/strong\u003e Use a surge protector\/UPS to protect the ignition ballast from voltage spikes.\u003c\/li\u003e\n\u003cli data-section-id=\"r2ng5n\" data-start=\"892\" data-end=\"997\"\u003e\n\u003cstrong data-start=\"894\" data-end=\"931\"\u003eAvoid vibration during operation:\u003c\/strong\u003e Movement while running can damage the arc tube inside the lamp.\u003c\/li\u003e\n\u003cli data-section-id=\"11waeti\" data-start=\"998\" data-end=\"1116\"\u003e\n\u003cstrong data-start=\"1000\" data-end=\"1029\"\u003eReplace at dimming stage:\u003c\/strong\u003e Do not wait for complete failure—replace when brightness drops or flickering starts.\u003c\/li\u003e\n\u003cli data-section-id=\"5uscz3\" data-start=\"1117\" data-end=\"1223\"\u003e\n\u003cstrong data-start=\"1119\" data-end=\"1149\"\u003eMinimal handling of glass:\u003c\/strong\u003e Never touch the bulb surface; oils can create hot spots and shorten life.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hitachi","offers":[{"title":"Default Title","offer_id":45660968255679,"sku":"SD903","price":936.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/Hitachi-SD-903-Standard-Lens.jpg?v=1779787260","url":"https:\/\/www.mybackyardzone.com\/products\/hitachi-sd-903-standard-lens","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}