{"product_id":"rix-tactical-rnv-31-night-vision-goggle-gen-2-dual-tube-binocular","title":"RIX Tactical RNV-31 Night Vision Goggle | Gen 2+ Dual Tube Binocular","description":"\u003ch2\u003eRIX Tactical RNV-31 Night Vision Goggle Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eRIX Tactical RNV-31\u003c\/strong\u003e is a compact dual-tube night vision goggle built around standard 18 mm image intensifier tubes. At approximately 500 g, or about 17.6 oz, it gives hunters, ranch operators, sport shooters, and professional users true binocular night vision in a lightweight helmet-mounted platform.\u003c\/p\u003e\n\n\u003cp\u003eThe biggest advantage over a single-tube monocular is natural depth perception. With both eyes under night vision, it is easier to move through brush, navigate uneven ground, maintain peripheral awareness, and stay behind the device for longer periods without the same level of eye fatigue.\u003c\/p\u003e\n\n\u003cp\u003eThe RNV-31 runs on a single AA battery for at least 20 hours of operation. For longer sessions, the optional dual-18650 battery pack extends runtime to at least 50 hours.\u003c\/p\u003e\n\n\u003ch2\u003eThermal Fusion Ready\u003c\/h2\u003e\n\n\u003cp\u003eThe RNV-31 includes the Thermal Fusion Pendant Adapter in the box. This adapter mounts to the bottom of the objective lens and accepts a compatible thermal clip-on, allowing thermal heat signatures to be overlaid onto the native night vision view.\u003c\/p\u003e\n\n\u003cp\u003eFor users who want a night vision setup that can grow over time, this is a major advantage. You can start with binocular night vision, then add compatible thermal capability later without replacing the entire system.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-tube binocular design:\u003c\/strong\u003e Improves depth perception, peripheral awareness, and comfort during extended use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 18 mm tube format:\u003c\/strong\u003e Built around common image intensifier tube architecture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple tube configurations:\u003c\/strong\u003e Available in white or green phosphor with different FOM ranges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1× magnification:\u003c\/strong\u003e Natural viewing for movement, navigation, and helmet-mounted use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e25 mm F\/1.2 objective lenses:\u003c\/strong\u003e Designed for a bright, usable night vision image.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40° field of view:\u003c\/strong\u003e Standard night vision field of view for situational awareness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable IPD:\u003c\/strong\u003e Interpupillary distance adjusts from 53 mm to 75 mm to fit different users.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManual gain control:\u003c\/strong\u003e Front-mounted potentiometer knob lets you adjust brightness to match the scene.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto standby:\u003c\/strong\u003e Enters standby after 3 minutes of inactivity to help preserve battery life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto power-off:\u003c\/strong\u003e Powers off when the unit is flipped upward or sideways.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in 850 nm IR illuminator:\u003c\/strong\u003e Supports use in zero-ambient-light conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBright Source Protection:\u003c\/strong\u003e Helps protect tubes from sudden bright light exposure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIn-FOV LED indicators:\u003c\/strong\u003e Shows IR illuminator status, flip-up off, side flip-up off, BSP activation, and low battery status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eG24 dovetail interface:\u003c\/strong\u003e Direct compatibility with standard helmet mount systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle AA battery operation:\u003c\/strong\u003e At least 20 hours of runtime from one AA battery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional dual-18650 battery pack:\u003c\/strong\u003e Extends runtime to at least 50 hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Fusion Pendant Adapter included:\u003c\/strong\u003e Allows compatible clip-on thermal integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide operating temperature range:\u003c\/strong\u003e Rated from -40°F to +122°F.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIngress protection rated to 10 meters:\u003c\/strong\u003e Built for rain, splashes, and harsh field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTube Configurations Explained\u003c\/h2\u003e\n\n\u003cp\u003eThe RNV-31 is available in multiple tube grades and phosphor options. This is the most important choice because the tube configuration determines image quality, low-light performance, and price.\u003c\/p\u003e\n\n\u003ch3\u003eWhat FOM Means\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eFOM\u003c\/strong\u003e, or Figure of Merit, is a common measurement used to compare image intensifier tube performance. Higher FOM generally means a cleaner, sharper image with less noise, especially in very low light.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1400-1600 FOM:\u003c\/strong\u003e Good Gen 2+ performance for most recreational, hunting, ranch, and property-security use cases.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1800-2000 FOM:\u003c\/strong\u003e Better low-light clarity and image quality for users who want stronger performance from the housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhite Phosphor vs. Green Phosphor\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eGreen phosphor\u003c\/strong\u003e is the classic night vision look. It is proven, familiar, and usually the more cost-effective option.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhite phosphor\u003c\/strong\u003e displays the image in black, white, and gray tones. Many users find it easier on the eyes during extended use, and it can make fine details easier to interpret.\u003c\/p\u003e\n\n\u003cp\u003eNeither is universally better. Choose white phosphor for comfort and detail during longer sessions. Choose green phosphor if you want a traditional image and better price control.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHog and predator hunting where binocular depth perception helps with movement through brush and uneven terrain.\u003c\/li\u003e\n  \u003cli\u003eHelmet-mounted night vision through the integrated G24 interface.\u003c\/li\u003e\n  \u003cli\u003eProperty and ranch security after dark.\u003c\/li\u003e\n  \u003cli\u003eSearch and rescue applications in low-light conditions.\u003c\/li\u003e\n  \u003cli\u003eLand navigation and driving in unlit terrain.\u003c\/li\u003e\n  \u003cli\u003eRange training and night-fire qualification.\u003c\/li\u003e\n  \u003cli\u003ePairing with a compatible thermal clip-on through the included Thermal Fusion Pendant Adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho the RNV-31 Is Best For\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHunters who want true dual-tube night vision for movement, navigation, and field awareness.\u003c\/li\u003e\n  \u003cli\u003eRanchers and landowners monitoring property after dark.\u003c\/li\u003e\n  \u003cli\u003eSport shooters and training users who need helmet-mounted night vision.\u003c\/li\u003e\n  \u003cli\u003eUsers who want binocular night vision with thermal fusion upgrade potential.\u003c\/li\u003e\n  \u003cli\u003eBuyers who want a lightweight goggle with common mounting compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho Should Consider Something Else\u003c\/h2\u003e\n\n\u003cp\u003eThe RNV-31 may be more than you need if you only use night vision a few times per year and a single monocular already handles your use case. Dual-tube night vision is more comfortable and capable, but it also costs more.\u003c\/p\u003e\n\n\u003cp\u003eIf you need a specific milspec tube system for contract, agency, or department requirements, confirm that the exact configuration meets those requirements before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 1×\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eObjective lens:\u003c\/strong\u003e 25 mm F\/1.2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField of view:\u003c\/strong\u003e 40°\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFocus range:\u003c\/strong\u003e 0.25 m to infinity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEye relief:\u003c\/strong\u003e 25 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiopter adjustment:\u003c\/strong\u003e -4 to +2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterpupillary distance:\u003c\/strong\u003e 53 mm to 75 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTube compatibility:\u003c\/strong\u003e 10160, 11769 EGAC removed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIR illuminator:\u003c\/strong\u003e Built-in 850 nm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery type:\u003c\/strong\u003e One AA battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating time:\u003c\/strong\u003e At least 20 hours on one AA battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended operating time:\u003c\/strong\u003e At least 50 hours with optional battery pack using two 18650 batteries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e 10 meters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED indicators:\u003c\/strong\u003e IR illuminator, flip-up off, side flip-up off, BSP, low battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -40°F to +122°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 110 mm × 97 mm × 90 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 500 g ± 5%, about 17.6 oz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount interface:\u003c\/strong\u003e G24\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRIX Tactical RNV-31 night vision goggle\u003c\/li\u003e\n  \u003cli\u003eBattery pack\u003c\/li\u003e\n  \u003cli\u003eCable\u003c\/li\u003e\n  \u003cli\u003eThermal Fusion Pendant Adapter\u003c\/li\u003e\n  \u003cli\u003eLong eyeshade\u003c\/li\u003e\n  \u003cli\u003ePortable carrying bag\u003c\/li\u003e\n  \u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat does FOM mean and which should I choose?\u003c\/h3\u003e\n\u003cp\u003eFOM, or Figure of Merit, is a common measurement for tube performance. Higher FOM generally means a cleaner image with less noise in low light. Choose 1400-1600 FOM for most hunting, ranch, and recreational use. Choose 1800-2000 FOM if you want stronger low-light image quality.\u003c\/p\u003e\n\n\u003ch3\u003eShould I choose white phosphor or green phosphor?\u003c\/h3\u003e\n\u003cp\u003eWhite phosphor is often easier on the eyes during longer use and can help with perceived contrast. Green phosphor is the classic night vision image and is usually more cost-effective. Neither is universally better.\u003c\/p\u003e\n\n\u003ch3\u003eHow long does the RNV-31 run on a single AA battery?\u003c\/h3\u003e\n\u003cp\u003eThe RNV-31 runs for at least 20 hours on one AA battery. The optional dual-18650 battery pack extends operating time to at least 50 hours.\u003c\/p\u003e\n\n\u003ch3\u003eWhat helmet mounts are compatible?\u003c\/h3\u003e\n\u003cp\u003eThe RNV-31 has a built-in G24 interface, making it compatible with standard G24-style helmet mounts.\u003c\/p\u003e\n\n\u003ch3\u003eHow is the IPD adjusted?\u003c\/h3\u003e\n\u003cp\u003eThe RNV-31 supports interpupillary distance adjustment from 53 mm to 75 mm, allowing the goggle to fit a wide range of users.\u003c\/p\u003e\n\n\u003ch3\u003eCan the RNV-31 be paired with a thermal clip-on?\u003c\/h3\u003e\n\u003cp\u003eYes. The included Thermal Fusion Pendant Adapter mounts to the objective lens and provides the interface for a compatible thermal clip-on, enabling fusion imaging.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use the RNV-31 for hog hunting?\u003c\/h3\u003e\n\u003cp\u003eYes. The RNV-31 is well-suited for hog hunting, especially when paired with thermal for detection. The dual-tube design helps with movement, navigation, and awareness in dark terrain.\u003c\/p\u003e\n\n\u003ch3\u003eIs the RNV-31 waterproof?\u003c\/h3\u003e\n\u003cp\u003eThe RNV-31 is rated for ingress protection to 10 meters, making it suitable for rain, splashes, and brief immersion.\u003c\/p\u003e\n\n\u003ch3\u003eIs the RNV-31 ITAR-controlled?\u003c\/h3\u003e\n\u003cp\u003eYes. The RNV-31 is an ITAR-controlled item under U.S. federal export law. Sales are restricted to U.S. persons as defined under 22 CFR § 120.15. Export outside the United States is prohibited without proper licensing.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\n\u003cp\u003eThe RIX Tactical RNV-31 is an ITAR-controlled item and may only be sold to U.S. persons as defined under 22 CFR § 120.15. Export of this product outside the United States is restricted under federal law. By purchasing, the buyer acknowledges and agrees to comply with all applicable U.S. export regulations.\u003c\/p\u003e\n\n\u003cp\u003eImage intensifier tube performance can vary by individual unit and tube configuration. Review the specific tube data for the unit you are purchasing before making a final decision.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy From Thermal Bros\u003c\/h2\u003e\n\n\u003cp\u003eThermal Bros is an authorized RIX Tactical dealer with full manufacturer support. If you are choosing between tube grades or unsure which configuration fits your specific use case, reach out before ordering. We would rather help you select the right configuration the first time than have you end up with a setup that does not fit your needs.\u003c\/p\u003e\n","brand":"Rix Tactical","offers":[{"title":"Default Title","offer_id":43220826554435,"sku":"RNV31W14","price":4499.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/thermalbros.com\/products\/rix-tactical-rnv-31-night-vision-goggle-gen-2-dual-tube-binocular","provider":"Thermal Bros","version":"1.0","type":"link"}