{"title":"NV Lens Filters","description":"","products":[{"product_id":"chad","title":"Cold Harbour CHAD","description":"\u003cp\u003e\u003cstrong\u003e*Sold as singles, if you have a binocular device, buy two*\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Cold Harbour CHAD (Cold Harbour Aperture Defender) is a lens protector for screw-in adjustable iris apertures that can be used for any night vision device that uses PVS-14 style optics, and allows users to see objects at all distances with perfect clarity and focus without needing to refocus the objective lens of their NVG. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMATERIAL OPTIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolycarbonate Multi-Impact Rated\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eProvides durable, multi-hit, rugged impact protection;\u003c\/li\u003e\n\u003cli\u003e~90% Light Transmission\u003c\/li\u003e\n\u003cli\u003e10-Year warranty against yellowing and lifetime warranty for breakage\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eUnlike other market offerings, the CHAD's ANSI-rated polycarbonate lens protects the host diaphragm and night vision device from not only dust and debris, but also high-velocity projectiles from force-on-force applications (airsoft bbs, sim rounds, UTMs), spalling from steel targets, etc, and has a \u003cstrong\u003elifetime warranty. See our test footage below!\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/pdio1Lwzhto?si=sbNwYUxgjKfYK2le\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e \u003cbr\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Hv6U974HweA?si=F2lojEGtQL8YvOLO\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eAnti-Reflective US Milspec Glass\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAnti-reflective coating \u003c\/li\u003e\n\u003cli\u003eSac lens protects NOD from single impacts, scratches and dust\u003c\/li\u003e\n\u003cli\u003eEasy to clean without worry about scratching from debris  \u003c\/li\u003e\n\u003cli\u003eOver 95% Light Transmission\u003c\/li\u003e\n\u003cli\u003eThinner material allows for the usage of 37mm pinch caps\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe same glass as the US Milspec PVS-14 Sacrificial Lens\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eUnlike other glass UV protectors from the market, the Glass CHAD uses a US milspec PVS-14 sac lens that has been optimally coated for light transmission for NVGs and cuts down on reflective elements that plague generic UV lenses. The hardened glass design allows for easy cleaning even in debris filled environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Iris:\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eTraditionally, most night vision devices have a large objective lens and aperture size to allow the maximum amount of light into the intensifier. An unwanted byproduct of large aperture size is a shallow depth of field - if the user sets their objective lens focus for infinity, then objects within 20 feet are typically out of focus and blurry. Users typically have to delicately refocus their objective lenses for simple admin tasks (reading maps, adjusting kit, etc) which can be cumbersome, especially on devices with articulating pods. \u003c\/p\u003e\n\u003cp\u003eThe iris diaphragm - originally designed for camera lenses without adjustable apertures - solves the focus issue on NVGs by giving the user the ability to dial in the optimal amount of light into the host NVG to maintain full-focus at all distances. By reducing the amount of light, the depth of field increases and everything comes into focus. Because the CHAD is larger than the NVG's objective lens, at wide-open aperture, there is no signal degradation.\u003c\/p\u003e\n\u003cp\u003eBy restricting the amount of light entering the NVG, the adjustable diaphragm also acts as a pseudo gain control for auto-gain NVGs, reducing contrast and giving operators the ability to pick out minute details in high light scenarios and reduce blooming from bright light sources.\u003c\/p\u003e\n\u003cp\u003eThe smooth-running, knurled adjustment wheel along the entire circumference allows users the freedom to manipulate the adjustment wheel at any angle, making adjustments a breeze. From fully-open to fully-closed is only 1\/4 turn of the wheel. When the diaphragm is fully-closed, the diaphragm size approximates the size of a milspec pin-hole day cap which means you can leave the assembly attached to your night vision device. (We still recommend a fully-closed cap for long-term exposure to light or storage)\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCompatibility\u003c\/span\u003e:\u003cbr\u003e\u003cbr\u003eThe CHAD-equipped iris aperture is compatible with any night vision device that uses PVS-14 style objective lenses, including, but not limited to: PVS-7, PVS-23 (F5050), Katana, Manticore, LLUL-21, Proton, RVM, RNVG, DTNVG\/DTNVS, BNVD-1531, PVS-31C etc.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003eTested to work on Milspec L3, Noctis Technologies (formerly Carson Industries) \/Fujinon\/Qioptiq\/Edmund\/Steele, RPO, and Photonis Defense Boomslang objective lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMay not work with Optronics\/Apache\/AGM lenses.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003eFor full light coverage check out or \u003ca href=\"https:\/\/coldharboursupply.com\/products\/cold-harbour-chad-kini\"\u003eCHAD-Kinis\u003c\/a\u003e to protect your CHAD from storage and scratches.\u003c\/p\u003e","brand":"CHS","offers":[{"title":"Yes - Include Iris \/ Polycarbonate (UTM and BB Multi-Impact Rated)","offer_id":48433468834101,"sku":null,"price":99.0,"currency_code":"CAD","in_stock":true},{"title":"Yes - Include Iris \/ US Milspec Anti-Reflective Glass","offer_id":52445122724149,"sku":null,"price":99.0,"currency_code":"CAD","in_stock":true},{"title":"No - I have my own Iris \/ Polycarbonate (UTM and BB Multi-Impact Rated)","offer_id":52445122756917,"sku":null,"price":49.99,"currency_code":"CAD","in_stock":true},{"title":"No - I have my own Iris \/ US Milspec Anti-Reflective Glass","offer_id":52445122789685,"sku":null,"price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/ChadRetakeLensOnly.jpg?v=1710553507"},{"product_id":"cold-harbour-chad-31a","title":"Cold Harbour CHAD-31A (L3 PVS-31A; GPNVG-18)","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eNOW AVAILABLE FOR L3 PVS-31A and GPNVG-18. Will not fit replica PVS-31As (Argus, Lindu, etc.), PVS-31C (GSCI), PVS-31D (Theon Systems), or APNVG (Argus)\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*Sold individually. For a full set of PVS-31A, buy two. For GPNVG-18, buy four.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDeveloped at the request of professional end-users and building upon the success of the \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/coldharboursupply.com\/products\/chad\" target=\"_blank\"\u003eCHAD\u003c\/a\u003e, the Cold Harbour CHAD-31A (Cold Harbour Aperture Defender) is a complete adjustable iris solution with a removable sacrificial lens for the L3 PVS-31A and GPNVG-18 and allows users to see objects at all distances with perfect clarity and focus without needing to refocus the objective lens of their NVG. The CHAD-31A comes with an adjustable iris aperture that is specifically designed to fit \u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eonly L3 PVS-31A and GPNVG-18.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMATERIAL OPTIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolycarbonate Multi-Impact Rated\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eProvides durable, multi-hit, rugged impact protection;\u003c\/li\u003e\n\u003cli\u003eOver 90% Light Transmission\u003c\/li\u003e\n\u003cli\u003e10-Year warranty against yellowing and lifetime warranty for breakage\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eUnlike other market offerings, the CHAD's ANSI-rated polycarbonate lens protects the host diaphragm and night vision device from not only dust and debris, but also high-velocity projectiles from force-on-force applications (airsoft bbs, sim rounds, UTMs), spalling from steel targets, etc, and has a \u003cstrong\u003elifetime warranty. \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eSee Our Testing on the Impact Rated Version Here!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/pdio1Lwzhto?si=iotwpXHBf14TC15F\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Hv6U974HweA?si=aKMbTNaozSGd3jSG\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnti-Reflective US Milspec Glass\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAnti-reflective coating \u003c\/li\u003e\n\u003cli\u003eSac lens protects NOD from single impacts, scratches and dust\u003c\/li\u003e\n\u003cli\u003eEasy to clean without worry about scratching from debris  \u003c\/li\u003e\n\u003cli\u003eOver 95% Light Transmission\u003c\/li\u003e\n\u003cli\u003eSame glass as the USGI PVS-14 Sac Lens\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eUnlike other glass UV protectors from the market, the Glass CHAD uses a US milspec PVS-14 sac lens that has been optimally coated for light transmission for NVGs and cuts down on reflective elements that plague generic UV lenses. The hardened glass design allows for easy cleaning even in debris filled environments. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTHE IRIS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTraditionally, most night vision devices have a large objective lens and aperture size to allow the maximum amount of light into the intensifier. An unwanted byproduct of large aperture size is a shallow depth of field - if the user sets their objective lens focus for infinity, then objects within 20 feet are typically out of focus and blurry. Users typically have to delicately refocus their objective lenses for simple admin tasks (reading maps, adjusting kit, etc) which can be cumbersome, especially on devices with articulating pods. \u003c\/p\u003e\n\u003cp\u003eThe iris diaphragm - originally designed for camera lenses without adjustable apertures - solves the focus issue on NVGs by giving the user the ability to dial in the optimal amount of light into the host NVG to maintain full-focus at all distances. By reducing the amount of light, the depth of field increases and everything comes into focus. Because the CHAD is larger than the NVG's objective lens, at wide-open aperture, there is no signal degradation.\u003cbr\u003e\u003cbr\u003eBy restricting the amount of light entering the NVG, the adjustable diaphragm also acts as a pseudo gain control for auto-gain NVGs, reducing contrast and giving operators the ability to pick out minute details in high light scenarios and reduce blooming from bright light sources.\u003c\/p\u003e\n\u003cp\u003eThe smooth-running, knurled adjustment wheel along the entire circumference allows users the freedom to manipulate the adjustment wheel at any angle, making adjustments a breeze. From fully-open to fully-closed is only 1\/4 turn of the wheel. When the diaphragm is fully-closed, the diaphragm size approximates the size of a milspec pin-hole day cap which means you can leave the assembly attached to your night vision device. (We still recommend a fully-closed cap for long-term exposure to light or storage)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstallation: \u003cbr\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/WELbjrKLX2c?si=QQCaUf97OUIUfT0C\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCompatibility\u003c\/span\u003e:\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe iris diaphragm is tested to work with genuine PVS-31A and GPNVG-18 made by L3 Harris. \u003cstrong\u003eIt will NOT work with replica PVS-31s, PVS-31Ds or PVS-31Cs\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePolycarbonate Warranty Info:\u003c\/strong\u003e Unlike other market offerings that use fragile glass lenses, non-user replaceable sacrificial lenses or no lens at all, the CHAD features a precision CNC-machined, high-impact polycarbonate lens (the same as our best-selling \u003ca href=\"https:\/\/coldharboursupply.com\/products\/defender-nv-optics-protector\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eNV Optics Defender\u003c\/a\u003e). It is chemically resistant to paints and adhesives, is UV-coated, has a 92% light transmission rate, and is warrantied for 10 years against yellowing, and for lifetime for breakage. The lens housing is custom-made and is ridged along its circumference to allow users to easily and securely mount and dismount the lens for cleaning, or when ballistic protection is not needed.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cold Harbour Supply","offers":[{"title":"Polycarbonate (UTM and BB Multi-Impact Rated)","offer_id":49236797260085,"sku":null,"price":129.99,"currency_code":"CAD","in_stock":true},{"title":"Anti-Reflective Coated US Milspec Glass","offer_id":52445109125429,"sku":null,"price":129.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/Chad-31.jpg?v=1714792701"},{"product_id":"infinity-cap-iris-for-nvgs","title":"Infinity Cap - Iris for NVGs","description":"\u003cp\u003eThe Infinity Cap is designed to offer end users reliable protection and enable full use of their Night Vision Devices. Built out of durable 6061 T6 Aluminum, the Infinity Cap is ready to take abuse. Securing to the NVG objective lens via threads, the Infinity Cap will not run the risk of popping off and an o-ring keeps debris out. The Infinity Cap features a polycarbonate sacrificial lens to keep your NVG objective lens from being scratched or damaged as well.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the Infinity Cap offers huge levels of focal adjustment with the patent-pending click-stop™ technology. With the turn of the Infinity Cap Turret, you can adjust the aperture from 23.5mm down to 1mm with a click-stop™ at 5.66mm which puts you right at infinite focus. This crucial stopping point allows users to quickly shift their iris to infinity via tactile feedback, allowing users to easily identify what's in front of them with full clarity. If lighting does not permit infinity focus, the user can gradually adjust open or open it all the way quickly if lighting conditions change rapidly. Our iris system gives you the perfect balance of adjustability and utility.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurable 6061 T6 Aluminum Housing\u003c\/li\u003e\n\u003cli\u003eAnodizing conforms to MIL-A-8625F Type II Class 1 and Class 2 Standard\u003c\/li\u003e\n\u003cli\u003eSecurely mounts to the objective lens to avoid accidental removal\u003c\/li\u003e\n\u003cli\u003ePolycarbonate sacrificial lens for 92% light transmission\u003c\/li\u003e\n\u003cli\u003eO-ring for keeping debris out\u003c\/li\u003e\n\u003cli\u003eAdjustable Iris that goes from 1mm to 23.5mm\u003c\/li\u003e\n\u003cli\u003eClick-Stop™ technology allows you to quickly set the iris to infinity via a tactile “click” feedback\u003c\/li\u003e\n\u003cli\u003eSacrificial lens holder can accept aftermarket accessories for pvs-14 style lens such as LIF or sacrificial lenses with an outside diameter not exceeding 32.4mm\u003c\/li\u003e\n\u003cli\u003eMade in Canada\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWill fit on PVS14 objective lenses.\u003c\/p\u003e\n\u003cp\u003ePVS31A irises will fit the L3 PVS31 and GPNVG.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSold as singles, if you need two buy two. These cannot be shipped to the USA. \u003c\/em\u003e\u003c\/p\u003e","brand":"Cold Harbour Supply","offers":[{"title":"Black","offer_id":49565307339061,"sku":null,"price":299.99,"currency_code":"CAD","in_stock":false},{"title":"FDE","offer_id":52445092643125,"sku":null,"price":299.99,"currency_code":"CAD","in_stock":true},{"title":"RG","offer_id":52445092675893,"sku":null,"price":299.99,"currency_code":"CAD","in_stock":false},{"title":"PVS31A\/GPNVG\/Argus (FDE)","offer_id":52445092708661,"sku":null,"price":299.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/InfinityIrisBLK.png?v=1718729827"},{"product_id":"chad-daylight-training-filter","title":"CHAD-TF Aperture Daylight Training Filter","description":"\u003cp\u003eThe CHAD-TF (Cold Harbour Aperture Daylight Training Filter) opens up the opportunity to train with NVGs during the daytime, in more locales and environments with fine aperture control. Instructors and supervisors can instruct and observe in lit conditions with full field of view, and increased situational awareness, while operators can experience simulated darkened conditions.  \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe DTF is compatible with most night vision devices that use PVS-14 pattern optics (eg: L3 BNVD-1531, DTNVS, Katana, Manticore, MH-1, RNVG, RPNVG, RNVG-A, etc)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAllows infinite fine-tuning of light transmission and focus via the adjustable aperture. (Pinhole covers reduce depth of field, making everything in focus. This is not an accurate representation of actual night time NVG use where distant objects are in focus and close objects are blurry. The DTF portrays the correct depth perception leading to more effective training.)\u003c\/li\u003e\n\u003cli\u003eThreads directly onto the objective lens of your NVG - does not easily pop off during strenuous movements, vibration or impacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eThis filter is offered in 2 levels:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eLevel 1:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eFor NNVT, Photonis ECHO\/ECHO+ and other Gen2+ image intensifiers, Level 1 DTFs can be used indoors in average-lit rooms but will appear as if the lights are off. Not recommended for outdoor use. \u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/DTF01.jpg?v=1753477294\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eLevel 2: \u003c\/strong\u003eRecommended for Photonis 4G High Gain and Gen 3 image intensifiers, Level 2 DTFs cut out even more light to simulate extreme low light conditions. Level 2 DTFs are able to be used outdoors in partially cloudy or overcast conditions and will simulate a fully moonlit night. When used in average-lit rooms, the Level 2 DTF will simulate extremely dark conditions.\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/DTFLvl2.jpg?v=1753477294\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/DTF4G_Comparison.jpg?v=1760114495\"\u003e\u003cbr\u003e\u003cem\u003e4G High Gain Tubes Work Exceptionally with our Level 2 day filters.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/ChadWideOpen.jpg?v=1753480670\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cem\u003eThe CHAD-TF in outdoor use simulates a full moonlit night on a sunny day. (Not recommended for full sun use)\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/CLosedIRISTF.jpg?v=1753480670\"\u003e\u003cbr\u003e\u003cem\u003eFor extremely bright conditions, we recommend closing the iris to prevent over-saturation of the MCP\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSTACKED PROTECTION\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/CHAD-TF_correction.jpg?v=1753481563\" alt=\"\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eThe CHAD-TF was made to stack with the existing polycarbonate \u003ca href=\"https:\/\/coldharboursupply.com\/products\/chad?_pos=1\u0026amp;_psq=CHAD\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eCHAD\u003c\/a\u003e to provide a simulated low-light environment and multi-hit ballistic protection. The CHAD-TF alone is made of glass and NOT impact resistant. \u003c\/p\u003e\n\u003cp\u003eFor additional light blocking capabilities, users may also want to pair this with an \u003ca href=\"https:\/\/coldharboursupply.com\/products\/pvs-14-eyecup?_pos=2\u0026amp;_sid=aae434ffe\u0026amp;_ss=r\"\u003eeyecup\u003c\/a\u003e to block out surrounding ambient light. \u003cbr\u003e\u003cbr\u003eSold as singles. For binocular devices buy two and quads four. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please exercise proper use with night vision device to avoid damage in lit environments, treat as if night vision is being used in standard mixed lighting environments, CHS does not take any responsibility for improper use or installation of the CHAD-TF or DTF filters. Filters are not designed to be used in direct sunlight or with lasers. \u003c\/strong\u003e\u003c\/p\u003e","brand":"CHS","offers":[{"title":"Level 1 \/ Yes - Include Iris","offer_id":51151029731637,"sku":null,"price":99.0,"currency_code":"CAD","in_stock":true},{"title":"Level 1 \/ No - I Have My Own Iris","offer_id":52445074719029,"sku":null,"price":49.99,"currency_code":"CAD","in_stock":true},{"title":"Level 2 \/ Yes - Include Iris","offer_id":52445074751797,"sku":null,"price":99.0,"currency_code":"CAD","in_stock":true},{"title":"Level 2 \/ No - I Have My Own Iris","offer_id":52445074784565,"sku":null,"price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/8123\/0009\/files\/CHAD-ND_Full.jpg?v=1753473177"}],"url":"https:\/\/coldharboursupply.com\/en-au\/collections\/nv-lens-protectors-copy.oembed","provider":"Cold Harbour Supply","version":"1.0","type":"link"}