{"product_id":"lumaspec-ls-ffl-1497","title":"25mm, F1.8, 2\/3\", 5MP Lens, C-Mount (LS-FFL-1497)","description":"\u003cp\u003e25mm, F1.8, 2\/3\", 5MP Lens, C-Mount. High resolution and consistency of image clarity. Lower distortion and higher relative illumination rate.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh resolution and consistency of image clarity.\u003c\/li\u003e\n\u003cli\u003eLower distortion and higher relative illumination rate.\u003c\/li\u003e\n\u003cli\u003eAchromatic optical system design, Better imaging performance with color camera.\u003c\/li\u003e\n\u003cli\u003eExcellent performance at high and low temperature.\u003c\/li\u003e\n\u003cli\u003eGood optical performance at ultra-short working distance.\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-1497\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal length\u003c\/th\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eF-number\u003c\/th\u003e\n\u003ctd\u003eF1.8 to F16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage size\u003c\/th\u003e\n\u003ctd\u003eØ11 mm (2\/3'')\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTV distortion\u003c\/th\u003e\n\u003ctd\u003e–0.51%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum object distance\u003c\/th\u003e\n\u003ctd\u003e0.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eField of view\u003c\/th\u003e\n\u003ctd\u003eD (11.1 mm): 24.1°; H (8.45 mm): 18.4°; V (7.07 mm): 15.4°\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\u003eM27 × 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount\u003c\/th\u003e\n\u003ctd\u003eC-mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlange back length\u003c\/th\u003e\n\u003ctd\u003e17.526 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003ctd\u003eØ29 mm × 32.1 mm to 37.1 mm (Ø1.1\" × 1.3\" to 1.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e54.0 g (0.1 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\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification at working distance (mm)\u003c\/th\u003e\n\u003ctd\u003e200: -0.133; 250: -0.105; 300: -0.086; 350: -0.073; 400: -0.064; 450: -0.057; 500: -0.051; 550: -0.046; 600: -0.042; 650: -0.039; 700: -0.036; 800: -0.031; 900: -0.028; 1000: -0.025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eField of view H x V (mm) at working distance (mm), 2\/3\" sensor (8.45 x 7.07 mm)\u003c\/th\u003e\n\u003ctd\u003e200: 63.5 x 53.0; 250: 80.5 x 67.3; 300: 97.6 x 81.5; 350: 114.7 x 95.8; 400: 131.7 x 110.0; 450: 148.8 x 124.3; 500: 165.8 x 138.5; 550: 182.9 x 152.8; 600: 199.9 x 167.0; 650: 217.0 x 181.3; 700: 234.0 x 195.5; 800: 268.2 x 224.0; 900: 302.3 x 252.5; 1000: 336.4 x 281.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eField of view H x V (mm) at working distance (mm), 1\/1.8\" sensor (7.38 x 4.92 mm)\u003c\/th\u003e\n\u003ctd\u003e200: 55.4 x 36.8; 250: 70.2 x 46.7; 300: 85.1 x 56.6; 350: 100.0 x 66.5; 400: 114.9 x 76.4; 450: 129.8 x 86.3; 500: 144.7 x 96.2; 550: 159.5 x 106.1; 600: 174.4 x 116.0; 650: 189.3 x 125.9; 700: 204.2 x 135.8; 800: 233.9 x 155.6; 900: 263.7 x 175.5; 1000: 293.4 x 195.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eField of view H x V (mm) at working distance (mm), 1\/2\" sensor (6.22 x 4.67 mm)\u003c\/th\u003e\n\u003ctd\u003e200: 46.6 x 34.9; 250: 59.1 x 44.3; 300: 71.7 x 53.7; 350: 84.2 x 63.1; 400: 96.7 x 72.5; 450: 109.3 x 81.9; 500: 121.8 x 91.3; 550: 134.3 x 100.7; 600: 146.8 x 110.1; 650: 159.4 x 119.5; 700: 171.9 x 128.9; 800: 197.0 x 147.7; 900: 222.0 x 166.5; 1000: 247.1 x 185.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClose-up with extension tube\u003c\/th\u003e\n\u003ctd\u003e30 mm tube, near focus: WD 24.4 mm, magnification -1.278; 30 mm tube, far focus: WD 25.0 mm, magnification -1.204; 25 mm tube, near focus: WD 27.9 mm, magnification -1.086; 25 mm tube, far focus: WD 29.1 mm, magnification -1.001; 20 mm tube, near focus: WD 33.0 mm, magnification -0.895; 20 mm tube, far focus: WD 35.2 mm, magnification -0.800; 15 mm tube, near focus: WD 40.8 mm, magnification -0.704; 15 mm tube, far focus: WD 45.3 mm, magnification -0.599; 10 mm tube, near focus: WD 54.3 mm, magnification -0.514; 10 mm tube, far focus: WD 65.7 mm, magnification -0.399; 5 mm tube, near focus: WD 83.9 mm, magnification -0.324; 5 mm tube, far focus: WD 127.9 mm, magnification -0.198; 2 mm tube, near focus: WD 128.0 mm, magnification -0.209; 2 mm tube, far focus: WD 324.4 mm, magnification -0.077; 1 mm tube, near focus: WD 156.0 mm, magnification -0.171; 1 mm tube, far focus: WD 689.6 mm, magnification -0.036\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"LumaSpec Vision","offers":[{"title":"Default Title","offer_id":53088096256282,"sku":"LS-FFL-1497","price":209.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/5434\/7546\/files\/20261008200037115.webp?v=1792078742","url":"https:\/\/lumaspecvision.com\/products\/lumaspec-ls-ffl-1497","provider":"LumaSpec Vision","version":"1.0","type":"link"}