{"product_id":"4-6mm-f1-0-640-512-lwir-thermal-infrared-camera-lens","title":"4.6mm F1.0 640×512 LWIR Thermal Infrared Camera Lens","description":"\u003ch2 style=\"text-align: center;\"\u003e4.6mm F1.0 640×512 LWIR Thermal Infrared Camera Lens\u003c\/h2\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe 4.6mm F1.0 LWIR Thermal Infrared Camera Lens is designed for uncooled thermal imaging systems using 640×512 infrared detectors with a 12μm pixel pitch. Its fast F\/1.0 aperture and ultra-wide diagonal field of view of at least 100° support efficient infrared energy collection and broad-area thermal monitoring.\u003c\/p\u003e\n\u003cp\u003eFeaturing an athermalized optical design, this compact lens maintains focus across changing temperatures without mechanical refocusing. With an operating temperature range of -40°C to +60°C, IP67 protection, and a lightweight construction, it is suitable for integration into outdoor, industrial, security, and mobile thermal imaging equipment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e• 4.6mm focal length with a fast F\/1.0 aperture\u003cbr\u003e• Designed for 640×512 uncooled infrared detectors with 12μm pixel pitch\u003cbr\u003e• Ultra-wide diagonal field of view of ≥100°\u003cbr\u003e• Optimized for the 8–12μm long-wave infrared (LWIR) band\u003cbr\u003e• Average transmittance of ≥90%\u003cbr\u003e• Relative illumination greater than 80%\u003cbr\u003e• Optical athermalization helps maintain focus as temperatures change\u003cbr\u003e• Continuous focusing range from 0.3m to infinity\u003cbr\u003e• Compact, lightweight design weighing less than 26g\u003cbr\u003e• IP67-rated sealing for demanding outdoor environments\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eProduct Type: LWIR Thermal Infrared Camera Lens\u003cbr\u003eFocal Length: 4.6mm\u003cbr\u003eF-Number: F1.0\u003cbr\u003eCompatible Detector: 640×512\u003cbr\u003eDetector Pixel Pitch: 12μm\u003cbr\u003eDiagonal Field of View: ≥100°\u003cbr\u003eSpectral Band: 8–12μm\u003cbr\u003eAverage Transmittance: ≥90%\u003cbr\u003eRelative Illumination: \u0026gt;80%\u003cbr\u003eFocus Design: Optical athermalization\u003cbr\u003eFocus Range: 0.3m to infinity\u003cbr\u003eCoating: Anti-reflective (AR) coating on the exposed surface\u003cbr\u003eBack Focal Distance: 4.65mm ±0.2mm\u003cbr\u003eDimensions: ≤24mm diameter × 26mm length\u003cbr\u003eWeight: \u0026lt;26g\u003cbr\u003eOperating Temperature: -40°C to +60°C\u003cbr\u003eStorage Temperature: -45°C to +65°C\u003cbr\u003eMount Interface: Rear flange mount\u003cbr\u003eLens Thread: M19 × 0.5–6g\u003cbr\u003eProtection Rating: IP67\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003e• Security and perimeter surveillance\u003cbr\u003e• Wide-area thermal monitoring\u003cbr\u003e• Industrial equipment inspection\u003cbr\u003e• Electrical panel and facility monitoring\u003cbr\u003e• Fire detection and search-and-rescue equipment\u003cbr\u003e• Automotive thermal imaging and night-vision systems\u003cbr\u003e• UAV and drone thermal imaging payloads\u003cbr\u003e• OEM thermal camera and infrared imaging system integration\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003eQ1: Which thermal detector is this lens designed for?\u003cbr\u003eA: It is designed for uncooled 640×512 infrared detectors with a 12μm pixel pitch.\u003c\/p\u003e\n\u003cp\u003eQ2: What infrared wavelength range does it support?\u003cbr\u003eA: The lens is optimized for the 8–12μm long-wave infrared (LWIR) band.\u003c\/p\u003e\n\u003cp\u003eQ3: What is the field of view?\u003cbr\u003eA: The specified diagonal field of view is at least 100°. The actual horizontal and vertical fields of view depend on the detector and optical configuration.\u003c\/p\u003e\n\u003cp\u003eQ4: Does the lens need manual refocusing when the temperature changes?\u003cbr\u003eA: Its optical athermalization design is intended to maintain focus over changing temperatures without mechanical refocusing.\u003c\/p\u003e\n\u003cp\u003eQ5: What is the minimum focusing distance?\u003cbr\u003eA: The specified focus range starts at 0.3m and extends to infinity.\u003c\/p\u003e\n\u003cp\u003eQ6: Is the lens suitable for outdoor use?\u003cbr\u003eA: The lens has an IP67 sealing rating and an operating temperature range of -40°C to +60°C. Confirm the complete camera assembly's environmental rating before outdoor deployment.\u003c\/p\u003e\n\u003cp\u003eQ7: What mounting interface does it use?\u003cbr\u003eA: It uses a rear flange mount with an M19 × 0.5–6g lens thread. Please verify mechanical and optical compatibility with your thermal camera module before ordering.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"DVcan.com","offers":[{"title":"Default Title","offer_id":67674528219241,"sku":"Thermal-camera-len-4.6mm","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/4886\/3081\/files\/4.6mm-F1.0-640x512-M19-3-LWIR-thermal-infrared-camera-lens.avif?v=1791964013","url":"https:\/\/dvcan.com\/products\/4-6mm-f1-0-640-512-lwir-thermal-infrared-camera-lens","provider":"DVcan.com","version":"1.0","type":"link"}