{"product_id":"fotometro-sky-quality-meter-con-lente-versione-l","title":"Unihedron Sky Quality Meter photometer with lens (L-version)","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 1.7; color: #333;\"\u003e\n\n\n\u003ch1 style=\"font-size: 24px; font-weight: bold;\"\u003e\n\nSky Quality Meter Photometer with Lens – L Version\n\n\u003c\/h1\u003e\n\n\n\u003cp style=\"font-size: 18px; margin-top: 10px;\"\u003e\nThe \u003cstrong\u003eSky Quality Meter – L Version\u003c\/strong\u003e is a portable instrument designed to measure the brightness of the night sky quickly and accurately. \nThanks to the \u003cstrong\u003eintegrated lens\u003c\/strong\u003e, it offers a narrower field of view compared to the standard version, allowing for more selective measurements.\n\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eMeasuring sky quality\u003c\/h2\u003e\n\n\u003cp\u003e\nThe device provides values in \u003cstrong\u003emagnitudes per square arcsecond (mag\/arcsec²)\u003c\/strong\u003e, the reference unit for assessing the level of light pollution. \nIt is an instrument widely used by amateur astronomers, astronomical observatories, and environmental monitoring associations.\n\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eL version with narrow field of view\u003c\/h2\u003e\n\n\u003cp\u003e\nThe front lens narrows the measurement field to approximately \u003cstrong\u003e20° FWHM\u003c\/strong\u003e, allowing peripheral light sources to be excluded and more consistent readings to be obtained in urban or semi-urban environments.\n\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003ePractical use\u003c\/h2\u003e\n\n\u003cul style=\"padding-left: 20px;\"\u003e\n\n\u003cli\u003eObserving site assessment\u003c\/li\u003e\n\n\u003cli\u003eLight pollution monitoring\u003c\/li\u003e\n\n\u003cli\u003eComparing sky quality between different locations\u003c\/li\u003e\n\n\u003cli\u003eSupport for scientific and educational projects\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eOperation\u003c\/h2\u003e\n\n\u003cp\u003e\nIt is easy to use: point the sensor towards the zenith and start the measurement using the dedicated button. \nThe display immediately shows the measured value.\n\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eMain technical specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eType\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSky quality meter\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eVersion\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eL (with lens)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eMeasurement field\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e~20° FWHM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eUnit of measurement\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003emag\/arcsec²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003ePower supply\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eInternal battery\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eIdeal for\u003c\/h2\u003e\n\n\u003cul style=\"padding-left: 20px;\"\u003e\n\n\u003cli\u003eTraveling amateur astronomers\u003c\/li\u003e\n\n\u003cli\u003eAstronomical associations\u003c\/li\u003e\n\n\u003cli\u003eObservatories\u003c\/li\u003e\n\n\u003cli\u003eLight pollution assessment\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003cdiv style=\"background-color: #f0f8ff; padding: 15px; margin-top: 30px; border-left: 4px solid #007acc;\"\u003e\n\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e\u003cbr\u003e\nTake advantage of free shipping throughout Italy on orders over €199.99!\n\n\u003c\/div\u003e\n\n\n\n\u003c\/div\u003e","brand":"Unihedron","offers":[{"title":"Default Title","offer_id":51406390329560,"sku":"20964","price":189.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/Unihedron-Fotometro-Sky-Quality-Meter-con-lente-Versione-L.jpg?v=1771513110","url":"https:\/\/www.giordanoastronomia.it\/en\/products\/fotometro-sky-quality-meter-con-lente-versione-l","provider":"Giordano Astronomia","version":"1.0","type":"link"}