{"product_id":"sig-sauer-zulu4-12x50mm-hd-marine-binocular","title":"Sig Sauer ZULU4 12x50mm HD Binocular","description":"\u003cp class=\"nvn-hero\"\u003eThe Sig Sauer ZULU4 12x50mm is a premium HD binocular that trades a little steadiness for serious reach. Its 50mm objectives pull in light for a bright, high-resolution view at distance, and the IPX7 waterproof magnesium body is ready for life on deck.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eSome days on the water you just need more reach. The \u003cstrong\u003eSig Sauer ZULU4 12x50mm\u003c\/strong\u003e is the long-distance member of the ZULU4 HD family, built for boaters who spend their time picking out detail far downrange, reading a channel marker across a wide bay, sizing up a distant vessel, or scanning a shoreline from an anchored deck. The 12x magnification pulls faraway subjects in close, and the large 50mm objective lenses gather the extra light that higher power demands.\u003c\/p\u003e\n\u003cp\u003eThat bigger objective pays off most when the light gets thin. With a twilight factor of 25, the ZULU4 12x50mm holds a bright, usable image deeper into dawn and dusk than smaller binoculars can manage, which is exactly when a lot of marine life moves and a lot of running gets done. The image comes from Sig Sauer's high-definition glass, tuned for exceptional clarity and superior brightness, and it's protected by the proprietary SpectraCoat, LensArmor and LensShield coatings that beat back glare off the water and add a wear-resistant layer to the outer lenses.\u003c\/p\u003e\n\u003cp\u003eStep up in power and you want a body that keeps things steady and sealed, and the ZULU4 delivers. The reinforced magnesium housing is wrapped in rubber armor for a secure, no-slip hold on a pitching deck, and the whole optic is IPX7 waterproof and fogproof rated. Rain, spray, and a full dunk over the rail won't stop it, and the internal purge keeps the glass clear when warm, humid air meets cool lenses. At 33.65 ounces it has enough heft to sit stable in your hands, and the near focus of 2.8 meters still lets you study something close aboard.\u003c\/p\u003e\n\u003cp\u003eHandling is dialed in for real use. The redesigned focus wheel carries a precision contour overmold that delivers ultra-fine focal adjustment, so you can lock in a razor-sharp image even with wet or gloved hands, which matters more at 12x where small focus errors show up fast. The two-position twist-up eyecups adapt to sunglasses or bare eyes, and the 15.5mm of eye relief keeps the view comfortable. The interpupillary distance adjusts from 58mm to 72mm so the binocular fits a wide range of faces aboard.\u003c\/p\u003e\n\u003cp\u003eAt higher magnification, a tripod turns a good optic into a great one, and the ZULU4 is ready for it. The standard 1\/4 inch by 20 threaded insert accepts a tripod adapter, so when you're glassing a shoreline for a stretch or holding on a distant point, you can steady the view and spare your arms. It's a genuine advantage for the kind of patient, long-range watching that a 12x50 is made for.\u003c\/p\u003e\n\u003cp\u003eWhen it's time to pack up, the newly molded EVA carrying case protects the binocular in a locker, a helm cubby or a ditch bag, and the included neck strap keeps it handy at the wheel. The 57.6 degree apparent field of view gives you a comfortable window for the magnification, and the Schmidt-Pechan prisms keep the barrels reasonably compact for the amount of glass inside. Little touches like the locking diopter ring mean you set your personal correction once and it stays put through a rough day, so you're not re-fiddling with settings every time you raise the glass.\u003c\/p\u003e\n\u003cp\u003eThink of the 12x50mm as the tool you reach for when distance is the whole point. Offshore, it lets you read the difference between a working boat and drifting debris long before you close the gap. In a wide anchorage, it turns a far-off mooring field into something you can actually plan around. That's the kind of confidence real reach buys you out there.\u003c\/p\u003e\n\u003cp\u003eIf you run big open water, fish offshore, or just want the extra reach to read the far side of a busy anchorage, the ZULU4 12x50mm gives you distance without giving up brightness or toughness. It's a serious optic backed by Sig Sauer's reputation for gear that holds up trip after trip. We're happy to talk through whether the 12x50 or a lower-power model fits the way you run your boat, so don't hesitate to ask.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eHigh-definition glass delivers exceptional clarity and superior brightness for a high-resolution sight picture\u003c\/li\u003e\n  \u003cli\u003e12x magnification with large 50mm objective lenses for long-range reach and strong light gathering\u003c\/li\u003e\n  \u003cli\u003eTwilight factor of 25 holds a bright image deeper into dawn and dusk\u003c\/li\u003e\n  \u003cli\u003eProprietary anti-reflective coatings, SpectraCoat, LensArmor and LensShield, cut glare and resist wear\u003c\/li\u003e\n  \u003cli\u003eIPX7 waterproof and fogproof rated for rain, spray and humid conditions\u003c\/li\u003e\n  \u003cli\u003eReinforced magnesium housing wrapped in rubber armor for a secure, durable hold\u003c\/li\u003e\n  \u003cli\u003eRedesigned focus wheel with precision contour overmold for ultra-fine focal adjustment\u003c\/li\u003e\n  \u003cli\u003eTwo-position twist-up eyecups with 15.5mm eye relief for glasses or bare-eye viewing\u003c\/li\u003e\n  \u003cli\u003eTripod mount capable via 1\/4 inch by 20 threaded insert, plus EVA case and neck strap included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Sig Sauer reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs 12x50 too much magnification to hand-hold on a boat?\u003c\/summary\u003e\n    \u003cp\u003eIt asks a little more of you than a 10x, but plenty of boaters hand-hold the ZULU4 12x50mm comfortably. The 33.65 ounce weight actually helps it sit steady in your hands. For long viewing sessions or the sharpest possible image at distance, mounting it on a tripod is the way to go.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre the Sig Sauer ZULU4 12x50mm binoculars waterproof?\u003c\/summary\u003e\n    \u003cp\u003eYes. The ZULU4 is IPX7 waterproof and fogproof rated, so it shrugs off rain, heavy spray and brief submersion. The internal purge prevents fogging when you move between temperature and humidity extremes on the water.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat advantage does the 50mm objective give me?\u003c\/summary\u003e\n    \u003cp\u003eLarger objective lenses gather more light, which keeps the image bright at higher magnification and in low light. With a twilight factor of 25, the 12x50mm stays usable deeper into dawn and dusk than smaller binoculars, right when a lot of marine activity happens.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I mount these on a tripod?\u003c\/summary\u003e\n    \u003cp\u003eYes. The ZULU4 has a standard 1\/4 inch by 20 threaded insert for a tripod adapter. At 12x, a tripod makes a real difference for steady, long-range viewing, so it's worth having if you scan shorelines or watch distant water for extended stretches.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill they work with my sunglasses on?\u003c\/summary\u003e\n    \u003cp\u003eYes. The eyecups twist down to two positions and eye relief is 15.5mm. Fold the cups down and you keep the full field of view while wearing polarized sunglasses or eyeglasses. Twist them up for viewing with the naked eye.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow is the focus for wet or gloved hands?\u003c\/summary\u003e\n    \u003cp\u003eIt's built for it. The redesigned focus wheel uses a precision contour overmold that gives a positive grip and ultra-fine adjustment. That precision matters at 12x, where a small focus error is easy to see, and it lets you dial in a sharp image even with damp hands.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the field of view on the 12x50mm?\u003c\/summary\u003e\n    \u003cp\u003eIt provides a 57.6 degree apparent field of view, which works out to a 4.8 degree true field. That's a comfortable window for the magnification and gives you room to scan and track subjects across the water.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat comes in the box?\u003c\/summary\u003e\n    \u003cp\u003eThe binocular ships with a newly molded EVA carrying case for streamlined protection and a neck strap so you can keep it within reach at the helm. It's tripod-ready but a tripod is not included.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eSig Sauer ZULU4 12x50mm HD Binocular\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSig Sauer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eSOZ40002OR\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e798681736409\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMagnification\u003c\/th\u003e\n\u003ctd\u003e12x\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eObjective Lens Diameter\u003c\/th\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApparent Field of View\u003c\/th\u003e\n\u003ctd\u003e57.6 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eField of View\u003c\/th\u003e\n\u003ctd\u003e4.8 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTwilight Factor\u003c\/th\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEye Relief\u003c\/th\u003e\n\u003ctd\u003e15.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePrism Type\u003c\/th\u003e\n\u003ctd\u003eSchmidt-Pechan\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFrame Material\u003c\/th\u003e\n\u003ctd\u003eMagnesium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eHousing Protection\u003c\/th\u003e\n\u003ctd\u003eRubber Armor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWaterproof Rating\u003c\/th\u003e\n\u003ctd\u003eIPX7 Waterproof and Fogproof\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e33.65 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e6.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOverall Height\u003c\/th\u003e\n\u003ctd\u003e2.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOverall Width\u003c\/th\u003e\n\u003ctd\u003e5.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEye Cups\u003c\/th\u003e\n\u003ctd\u003eTwist Up, Two Position\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eDiopter Adjustment Range\u003c\/th\u003e\n\u003ctd\u003ePlus or minus 3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNear Focus\u003c\/th\u003e\n\u003ctd\u003e2.8 m\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInterpupillary Distance\u003c\/th\u003e\n\u003ctd\u003e58 mm to 72 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLens Coatings\u003c\/th\u003e\n\u003ctd\u003eSpectraCoat, LensArmor, LensShield\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTripod Mount Capable\u003c\/th\u003e\n\u003ctd\u003eYes, 1\/4 inch by 20 insert\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eIncluded Accessories\u003c\/th\u003e\n\u003ctd\u003eEVA Carrying Case, Neck Strap\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is 12x50 too much magnification to hand-hold on a boat?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It asks a little more of you than a 10x, but plenty of boaters hand-hold the ZULU4 12x50mm comfortably. The 33.65 ounce weight actually helps it sit steady in your hands. For long viewing sessions or the sharpest possible image at distance, mounting it on a tripod is the way to go.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are the Sig Sauer ZULU4 12x50mm binoculars waterproof?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The ZULU4 is IPX7 waterproof and fogproof rated, so it shrugs off rain, heavy spray and brief submersion. The internal purge prevents fogging when you move between temperature and humidity extremes on the water.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What advantage does the 50mm objective give me?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Larger objective lenses gather more light, which keeps the image bright at higher magnification and in low light. With a twilight factor of 25, the 12x50mm stays usable deeper into dawn and dusk than smaller binoculars, right when a lot of marine activity happens.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I mount these on a tripod?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The ZULU4 has a standard 1\/4 inch by 20 threaded insert for a tripod adapter. At 12x, a tripod makes a real difference for steady, long-range viewing, so it's worth having if you scan shorelines or watch distant water for extended stretches.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will they work with my sunglasses on?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The eyecups twist down to two positions and eye relief is 15.5mm. Fold the cups down and you keep the full field of view while wearing polarized sunglasses or eyeglasses. Twist them up for viewing with the naked eye.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How is the focus for wet or gloved hands?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's built for it. The redesigned focus wheel uses a precision contour overmold that gives a positive grip and ultra-fine adjustment. That precision matters at 12x, where a small focus error is easy to see, and it lets you dial in a sharp image even with damp hands.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the field of view on the 12x50mm?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It provides a 57.6 degree apparent field of view, which works out to a 4.8 degree true field. That's a comfortable window for the magnification and gives you room to scan and track subjects across the water.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What comes in the box?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The binocular ships with a newly molded EVA carrying case for streamlined protection and a neck strap so you can keep it within reach at the helm. It's tripod-ready but a tripod is not included.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Sig Sauer","offers":[{"title":"Default Title","offer_id":44925524705373,"sku":"1004648","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/SGSSOZ40002OR_001.jpg?v=1787382181","url":"https:\/\/nvnmarine.com\/products\/sig-sauer-zulu4-12x50mm-hd-marine-binocular","provider":"NVN Marine","version":"1.0","type":"link"}