{"product_id":"77mm-variable-nd2-nd400-neutral-density-filter-adjustable-1-9-stops","title":"77mm Variable ND2-ND400 Neutral Density Filter - Adjustable 1-9 Stops","description":"\u003cp\u003eOur review of the 77mm Variable ND2-ND400 Neutral Density Filter finds it best suited to photographers and videographers who need flexible exposure control without swapping filters. The single biggest reason to buy is its wide 1 to 9 stop range combined with premium AGC optical glass and multi-layer coatings, which together make it a reliable tool for bright daylight shooting, long exposures, and controlled depth-of-field in mixed lighting. The review notes a natural limitation at maximum density where certain lens and focal length combinations can produce a temporary X black cross effect.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePremium optical glass:\u003c\/strong\u003e Crafted from AGC optical glass with 8 multi-layer coatings to reduce reflections and maintain image quality under bright conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAdjustable light control:\u003c\/strong\u003e Offers 1 to 9 stops of variable ND via 360-degree rotation for precise exposure adjustments without changing filters.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLow-reflection surface:\u003c\/strong\u003e Multi-layer coatings and an oxidized sandblasted metal finish minimize stray light and unwanted reflections on the filter surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSlim, secure build:\u003c\/strong\u003e At about 7.4mm thickness with a CNC-patterned edge, the filter is easy to rotate and attach while remaining slim enough to reduce vignetting on many lenses.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e Designed for lenses with a 77mm thread size and requires an 82mm lens cap for protection when mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe filter is ideal for landscape photographers shooting in bright sun, portrait shooters who want to open aperture for shallower depth of field in daylight, and videographers needing smooth exposure control while recording. Its broad 1-9 stop range and sturdy coated glass make it a practical, single-filter solution for field work.\u003c\/p\u003e\n\u003cp\u003ePhotographers using ultra-wide or specific lenses prone to polarization artifacts should test for vignetting and the X cross effect at maximum stops; those who need absolute color neutrality under every focal length may prefer single-stop screw-in ND filters for critical work.\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\u003eHigh-quality AGC optical glass with 8 multi-layer coatings improves contrast and reduces flare.\u003c\/li\u003e\n \u003cli\u003eWide 1-9 stop adjustable range gives flexibility for exposure and creative control without swapping filters.\u003c\/li\u003e\n \u003cli\u003eSlim 7.4mm profile and CNC-patterned edge make it easy to mount and rotate while reducing bulk.\u003c\/li\u003e\n \u003cli\u003eOxidized sandblasted finish reduces stray light and keeps reflections to a minimum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eAt maximum density some lenses and focal lengths can show a temporary X black cross pattern; this is a known, natural interaction with variable ND designs.\u003c\/li\u003e\n \u003cli\u003eSome customers report mixed results on color accuracy and slight vignetting on certain wide-angle setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eFilter thread size\u003c\/td\u003e\n\u003ctd\u003e77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDensity range\u003c\/td\u003e\n\u003ctd\u003eND2 to ND400 (approximately 1 to 9 stops)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003eAGC optical glass with 8 multi-layer coatings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003eApprox. 7.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eOxidized sandblasted metal, CNC-patterned edge\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eRotation\u003c\/td\u003e\n\u003ctd\u003e360-degree adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCap requirement\u003c\/td\u003e\n\u003ctd\u003e82mm lens cap needed when mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis variable ND filter is a strong value for photographers and filmmakers who want flexible exposure control and solid optical performance without carrying multiple screw-in NDs. Its AGC glass and multi-layer coatings deliver good flare control and durability, while the 1-9 stop range handles most daylight situations. Buyers who require perfect color neutrality or shoot with lenses known to produce strong vignetting should test before relying on maximum density positions.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my lens?\u003c\/strong\u003e\u003cbr\u003eIt fits lenses with a 77mm filter thread; check your lens barrel for the diameter symbol and number before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the X black cross effect?\u003c\/strong\u003e\u003cbr\u003eAt extreme density settings some variable NDs can produce a temporary cross pattern depending on lens and focal length; this is a known optical interaction, not permanent damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it cause color shift?\u003c\/strong\u003e\u003cbr\u003eMost users report acceptable color with coated glass, but a few note slight color variation in some setups, so test on critical work.\u003c\/p\u003e","brand":"K\u0026F CONCEPT","offers":[{"title":"Default Title","offer_id":48227298869467,"sku":"B07DNSK4WS","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71sJ17dd4tL._AC_SL1500_e91863dd-bf1d-46d8-aeda-5473df1d5099.jpg?v=1770736788","url":"https:\/\/gearmusthave.com\/products\/77mm-variable-nd2-nd400-neutral-density-filter-adjustable-1-9-stops","provider":"GearMustHave","version":"1.0","type":"link"}