{"product_id":"lumaspec-ls-tcl-2238","title":"2x, WD 110 mm, 1.1\", C-mount telecentric lens, 2.0x (LS-TCL-2238)","description":"\u003cp\u003eLS-TCL-2238 is a telecentric lens with 2.0x magnification (110 mm-WD, without coaxial illumination), one of the higher magnifications in the series, between the 1.5x version and the 2.5x version, for finer detail.\u003c\/p\u003e\u003cp\u003eLS-TCL-2238: magnification 2.0x, working distance 110 mm, NA 0.0737, theoretical depth of field ±0.14@F13.5.\u003c\/p\u003e\u003cp\u003eAt a glance: max sensor size 18.0 mm (1.1\"); object-side resolution 4.6 µm.\u003c\/p\u003e\u003cp\u003eWith rays within 0.1° of parallel on the object side, a 1 mm height step moves an edge in the image by at most about 1.7 µm (tan 0.1° x 1 mm), so parts at different heights measure the same. It holds 30 % contrast up to 60 lp\/mm on the sensor, which suits cameras with pixels of about 8.3 µm or larger (one line pair across two pixels). An M32.0 x 0.5 filter thread takes a polarizer, band-pass or protective window.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2.0x magnification (110 mm-WD, without coaxial illumination), in the upper third of the 38 magnifications\u003c\/li\u003e\n\u003cli\u003eCovers sensors up to 1.1\" (18 mm diagonal) without dark corners; a larger sensor would vignette\u003c\/li\u003e\n\u003cli\u003e0.1 % distortion: a corner point of the 9 mm field lands within about 4.5 µm of its true place\u003c\/li\u003e\n\u003cli\u003eTelecentricity under 0.1°: a 1 mm change in part height moves an edge by under about 1.7 µm\u003c\/li\u003e\n\u003cli\u003eSeparates details about 4.6 µm apart on the part: about 1,500 across the 7 mm wide field\u003c\/li\u003e\n\u003cli\u003eImage-side aperture F13.5\u003c\/li\u003e\n\u003cli\u003e2x at 110 mm: a 1.1\" sensor sees a field about 8.73 mm across (diagonal)\u003c\/li\u003e\n\u003cli\u003eNumerical aperture 0.0737\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-TCL-2238\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\u003eMagnification (x)\u003c\/th\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking distance (mm)\u003c\/th\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor format\u003c\/th\u003e\n\u003ctd\u003e1.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax sensor size (dia. mm)\u003c\/th\u003e\n\u003ctd\u003e18.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage-side F\/#\u003c\/th\u003e\n\u003ctd\u003e13.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage-side MTF30 (lp\/mm)\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTheoretical depth of field (mm)\u003c\/th\u003e\n\u003ctd\u003e±0.14@F13.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eObject-side resolution (um)\u003c\/th\u003e\n\u003ctd\u003e4.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumerical aperture NA\u003c\/th\u003e\n\u003ctd\u003e0.0737\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage-side distortion (% max)\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eObject-side telecentricity (deg max)\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal length TTL (mm)\u003c\/th\u003e\n\u003ctd\u003e133.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCoaxial illumination\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront filter thread\u003c\/th\u003e\n\u003ctd\u003eM32.0x0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasured depth of field as shipped (mm)\u003c\/th\u003e\n\u003ctd\u003e0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight (estimated)\u003c\/th\u003e\n\u003ctd\u003e0.56 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":53080045945114,"sku":"LS-TCL-2238","price":1239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/5434\/7546\/files\/ls-tcl-2238-drawing-a7ec54.webp?v=1793046527","url":"https:\/\/lumaspecvision.com\/products\/lumaspec-ls-tcl-2238","provider":"LumaSpec Vision","version":"1.0","type":"link"}