{"product_id":"lumaspec-ls-ffl-0876","title":"1\/2.5\", C-mount machine vision lens, 0.22x, WD 820 mm (LS-FFL-0876)","description":"\u003cp\u003eLS-FFL-0876, the 1\/2.5\"-format, 820 mm-WD version, has 0.22x magnification, one of the lower magnifications in the series, between the 0.21x version and the 0.24x version (an object field of about 32.7 mm across on a 7.2 mm sensor).\u003c\/p\u003e\u003cp\u003eLS-FFL-0876: sensor format 1\/2.5\", image-side F\/# 10.6, working distance 820 mm, magnification 0.22x.\u003c\/p\u003e\u003cp\u003eAt a glance: max sensor size 7.2 mm (1\/2.5\"); object-side resolution 32.4 µm.\u003c\/p\u003e\u003cp\u003eIt holds 30 % contrast up to 90 lp\/mm on the sensor, which suits cameras with pixels of about 5.6 µm or larger (one line pair across two pixels). An M35 x 0.5 filter thread takes a polarizer, band-pass or protective window. The lens body is 221.9 mm long and Ø38 mm across.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e0.22x magnification (1\/2.5\"-format, 820 mm-WD), one of the lower magnifications in the series\u003c\/li\u003e\n\u003cli\u003e0.01 % distortion: a corner point of the 32.7 mm field lands within about 1.6 µm of its true place\u003c\/li\u003e\n\u003cli\u003eSeparates details about 32.4 µm apart on the part: about 810 across the 26.2 mm wide field\u003c\/li\u003e\n\u003cli\u003eCovers sensors up to 1\/2.5\" (7.2 mm diagonal) without dark corners; a larger sensor would vignette\u003c\/li\u003e\n\u003cli\u003eStays sharp over about 17.5 mm of height: parts must sit within ±8.8 mm of focus\u003c\/li\u003e\n\u003cli\u003eImage-side aperture F10.6\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-0876\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification (x)\u003c\/th\u003e\n\u003ctd\u003e0.22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking distance (mm)\u003c\/th\u003e\n\u003ctd\u003e820\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor format\u003c\/th\u003e\n\u003ctd\u003e1\/2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax sensor size (dia. mm)\u003c\/th\u003e\n\u003ctd\u003e7.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage-side F\/#\u003c\/th\u003e\n\u003ctd\u003e10.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eObject-side telecentricity (deg max)\u003c\/th\u003e\n\u003ctd\u003eNon-telecentric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage-side distortion (% max)\u003c\/th\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumerical aperture NA\u003c\/th\u003e\n\u003ctd\u003e0.01034\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eObject-side resolution (um)\u003c\/th\u003e\n\u003ctd\u003e32.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTheoretical depth of field (mm)\u003c\/th\u003e\n\u003ctd\u003e17.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage-side MTF30 (lp\/mm)\u003c\/th\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter diameter O.D (mm)\u003c\/th\u003e\n\u003ctd\u003edia. 38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal length TTL (mm)\u003c\/th\u003e\n\u003ctd\u003e221.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront filter thread\u003c\/th\u003e\n\u003ctd\u003eM35x0.5\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\u003eShipping weight (estimated)\u003c\/th\u003e\n\u003ctd\u003e0.31 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003ePhoto shows a representative model of this series; see the specifications for this model.\u003c\/em\u003e\u003c\/p\u003e","brand":"LumaSpec Vision","offers":[{"title":"Default Title","offer_id":53079944790298,"sku":"LS-FFL-0876","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/5434\/7546\/files\/ls-ffl-0876-drawing-1.webp?v=1792789767","url":"https:\/\/lumaspecvision.com\/products\/lumaspec-ls-ffl-0876","provider":"LumaSpec Vision","version":"1.0","type":"link"}