{"product_id":"1-25-in-ir850nm-infrared-pass-filter-clear-infrared-transmission","title":"1.25 in IR850nm Infrared Pass Filter - Clear Infrared Transmission","description":"\u003cp\u003eIn this review the 1.25 in IR850nm infrared pass filter is evaluated for photographers and hobbyists who need reliable near-infrared imaging. The bottom line: this simple, single-element filter is best for users wanting a straightforward way to capture IR light around 850nm without switching sensors or complex gear. Our review highlights how the filter performs in typical camera and optical accessory setups, and why its 6 month warranty and standard 1.25 in diameter make it a practical option for experimental infrared photography.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eInfrared pass band:\u003c\/strong\u003e The filter is tuned to pass near-infrared light around 850nm, allowing enhanced contrast for IR imaging applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStandard 1.25 in size:\u003c\/strong\u003e The 1.25 in diameter fits common accessory holders and eyepiece adapters for easy mounting and swapping on compatible optics.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSingle-piece construction:\u003c\/strong\u003e The straightforward design is compact and easy to handle for field use or laboratory tests without extra adapters.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand backing:\u003c\/strong\u003e Offered under the FORKIS label with a 6 month warranty, providing short-term assurance against defects.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAccessory compatibility:\u003c\/strong\u003e Works as a simple add-on filter for cameras, telescopes, and other imaging setups that accept 1.25 in filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter is aimed at photographers, amateur astronomers, and electronics hobbyists who want to experiment with near-infrared imaging without modifying their sensor or investing in specialized IR cameras. It suits users who already own gear that accepts 1.25 in accessories and who prioritize quick, low-cost testing of IR effects and contrast changes.\u003c\/p\u003e\n\u003cp\u003eThose who need precise optical specifications, multi-element interference stacks, or long-term professional warranties should look elsewhere; the product is a basic IR pass filter intended for straightforward, exploratory use rather than precision scientific measurement.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eEffective near-infrared transmission around 850nm for clear IR imaging results in many setups.\u003c\/li\u003e\n \u003cli\u003eStandard 1.25 in diameter makes it easy to mount on a wide range of accessories and eyepieces.\u003c\/li\u003e\n \u003cli\u003eSimple, lightweight construction is convenient for field or casual lab use.\u003c\/li\u003e\n \u003cli\u003eIncludes a 6 month warranty from the manufacturer, offering basic consumer protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eLimited specification detail is provided, so users needing exact transmission curves or optical tolerances may find it insufficient.\u003c\/li\u003e\n \u003cli\u003eWarranty is short compared with professional-grade optical components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003e1PCS New 1.25 in IR850nm Infrared Pass Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eIR 850nm (near-infrared)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e1.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFORKIS\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e6 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 1.25 in IR850nm infrared pass filter is a compact, affordable tool for anyone experimenting with near-infrared photography or optics who already uses 1.25 in accessories. It delivers the expected IR pass behavior and convenience for casual use, and the included 6 month warranty adds basic protection. It is good value for hobbyists and educators, while professionals needing detailed optical data or extended coverage should consider higher-spec options.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my camera or telescope?\u003c\/strong\u003e\u003cbr\u003eThe filter has a 1.25 in diameter and is compatible with accessories and eyepiece holders that accept 1.25 in filters or adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wavelength does it pass?\u003c\/strong\u003e\u003cbr\u003eThe filter is designed to pass near-infrared light around 850nm for IR imaging applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a warranty?\u003c\/strong\u003e\u003cbr\u003eYes, the product includes a 6 month warranty from the manufacturer.\u003c\/p\u003e","brand":"FORKIS","offers":[{"title":"Default Title","offer_id":48266293674203,"sku":"B0C1Y66FZ5","price":64.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41OMrX3Y83L.jpg?v=1776385123","url":"https:\/\/gearmusthave.com\/products\/1-25-in-ir850nm-infrared-pass-filter-clear-infrared-transmission","provider":"GearMustHave","version":"1.0","type":"link"}