{"product_id":"lumaspec-ls-ffl-0421","title":"28mm, F4.0, Image Size φ30mm, Recommended Magnification 0.05~0.3X, M42-Mount (LS-FFL-0421)","description":"\u003cp\u003e28mm, F4.0, Image Size φ30mm, Recommended Magnification 0.05~0.3X, M42-Mount. Provides excellent consistency of image clarity. Provides low distortion.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProvides excellent consistency of image clarity.\u003c\/li\u003e\n\u003cli\u003eProvides low distortion.\u003c\/li\u003e\n\u003cli\u003eProvides max. image size Ø30 mm for APS-C area scan and 4k 7 μm line scan cameras.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eLS-FFL-0421\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal length\u003c\/th\u003e\n\u003ctd\u003e28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eF-number\u003c\/th\u003e\n\u003ctd\u003eF4.0 to F11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage size\u003c\/th\u003e\n\u003ctd\u003eØ30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical distortion\u003c\/th\u003e\n\u003ctd\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification range\u003c\/th\u003e\n\u003ctd\u003e0.3x to 0.05x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking distance range\u003c\/th\u003e\n\u003ctd\u003e103 mm to 595 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIris control\u003c\/th\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocus control\u003c\/th\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter thread\u003c\/th\u003e\n\u003ctd\u003eM35 × 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount\u003c\/th\u003e\n\u003ctd\u003eM42 × P1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlange back length\u003c\/th\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003ctd\u003eØ48.1 mm × 54.6 to 62.6 mm (Ø1.9\" × 2.2\" to 2.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e162 g (0.4 Ib.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature\u003c\/th\u003e\n\u003ctd\u003e–10 °C to 50 °C (14 °F to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eRoHS 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight (estimated)\u003c\/th\u003e\n\u003ctd\u003e0.33 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification at working distance (mm)\u003c\/th\u003e\n\u003ctd\u003e103: -0.300; 150: -0.208; 200: -0.154; 250: -0.122; 300: -0.101; 350: -0.086; 400: -0.075; 450: -0.067; 500: -0.060; 550: -0.054; 595: -0.050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eObject-to-image distance at working distance (mm)\u003c\/th\u003e\n\u003ctd\u003e103: 177; 150: 218; 200: 267; 250: 316; 300: 365; 350: 415; 400: 464; 450: 514; 500: 564; 550: 614; 595: 662\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eField of view H (mm) at working distance (mm), 4k 7 µm sensor\u003c\/th\u003e\n\u003ctd\u003e103: 97.0; 150: 144.9; 200: 195.9; 250: 246.8; 300: 297.8; 350: 348.7; 400: 399.7; 450: 450.6; 500: 501.5; 550: 552.5; 595: 598.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"LumaSpec Vision","offers":[{"title":"Default Title","offer_id":53080750883098,"sku":"LS-FFL-0421","price":639.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/5434\/7546\/files\/20261008200042646.webp?v=1791999002","url":"https:\/\/lumaspecvision.com\/products\/lumaspec-ls-ffl-0421","provider":"LumaSpec Vision","version":"1.0","type":"link"}