{"product_id":"77mm-putter-variable-nd-filter-nd2-nd400-1-9-stops-precision","title":"77mm Putter Variable ND Filter ND2-ND400 (1-9 Stops) - Precision","description":"\u003cp\u003eIn this review the K\u0026amp;F CONCEPT 77mm Putter Variable ND Filter is judged as a versatile, well-built option for photographers and filmmakers who need quick exposure control without swapping glass. The single biggest reason to buy is its precise putter-style frame and clearly marked stops from ND2 to ND400, which make incremental adjustments predictable for both stills and video. The review finds the glass quality and coatings strong points, while users who need absolute zero color shift at extreme stops may want to test for subtle cast before committing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImport Optical Glass:\u003c\/strong\u003e Crafted from Japanese AGC optical glass with 28 multi-layer coatings to reduce reflections and preserve image clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePutter Design:\u003c\/strong\u003e The frame's putter-style control and marked stops let users dial in exposure precisely and read adjustments quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Stop Range:\u003c\/strong\u003e Covers ND2 to ND400 (1-9 stops) so you can manage bright daylight or create motion blur without changing lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Coatings:\u003c\/strong\u003e Hydrophobic, oil-proof, and scratch-resistant coatings on both sides protect the filter during outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Slim Frame:\u003c\/strong\u003e A 7.4mm slim profile minimizes the risk of vignetting even on ultra-wide lenses down to about 16mm equivalents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e Fits any lens with a 77mm thread and requires an 82mm lens cap for storage with this filter attached.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe filter is ideal for landscape photographers, run-and-gun filmmakers, and outdoor portrait shooters who want a single, durable variable neutral density solution. The clear stop markings and putter frame are particularly useful for video operators who need repeatable exposure changes and for photographers using long exposures in bright conditions.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who demand absolutely zero color cast across the full density range or who prefer dedicated fixed-stop glass for critical studio work. Also check your lens thread size before ordering and note the requirement for an 82mm cap when the filter is attached.\u003c\/p\u003e\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 Japanese AGC glass with extensive multi-layer coatings for reduced glare and improved contrast.\u003c\/li\u003e\n\u003cli\u003ePrecise putter-style frame and marked stops make adjustments fast and repeatable.\u003c\/li\u003e\n\u003cli\u003eDurable hydrophobic and scratch-resistant coatings suit rugged outdoor use and easy cleaning.\u003c\/li\u003e\n\u003cli\u003eUltra-slim 7.4mm frame helps avoid vignetting on wide-angle lenses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed results with color cast and ease of adjustment at darker settings, so performance can vary by setup.\u003c\/li\u003e\n\u003cli\u003eAn 82mm lens cap is required for storage with the filter on, which may be inconvenient if you do not already have that size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter type\u003c\/td\u003e\n\u003ctd\u003eVariable Neutral Density (ND2-ND400)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop range\u003c\/td\u003e\n\u003ctd\u003e1 to 9 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread size\u003c\/td\u003e\n\u003ctd\u003e77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003eJapanese AGC optical glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003e28 multi-layer, hydrophobic, oil-proof, scratch-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame thickness\u003c\/td\u003e\n\u003ctd\u003eUltra-slim 7.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage note\u003c\/td\u003e\n\u003ctd\u003eRequires 82mm lens cap when attached\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe K\u0026amp;F CONCEPT 77mm Putter Variable ND is a strong value for outdoor photographers and videographers who need flexible exposure control and durable construction. Its precise putter frame, robust coatings, and high-quality AGC glass make it a practical single-filter solution, though users sensitive to color cast at extreme densities should verify performance on their system first.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this filter fit my lens?\u003c\/strong\u003e\u003cbr\u003eIt fits lenses with a 77mm thread; check your lens barrel for the diameter symbol to confirm before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it cause vignetting on wide-angle lenses?\u003c\/strong\u003e\u003cbr\u003eThe ultra-slim 7.4mm frame is designed to avoid vignetting even at wide angles, but very extreme wide setups should be tested.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow durable are the coatings?\u003c\/strong\u003e\u003cbr\u003eBoth sides have hydrophobic, oil-proof, and scratch-resistant multi-layer coatings for good protection in field use.\u003c\/p\u003e","brand":"K\u0026F CONCEPT","offers":[{"title":"Default Title","offer_id":48247106765019,"sku":"B08ZYDZ58V","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/619mzoUVLML._AC_SL1500_893e48db-2b8e-4ac9-985f-143e1fd5222d.jpg?v=1770984547","url":"https:\/\/gearmusthave.com\/products\/77mm-putter-variable-nd-filter-nd2-nd400-1-9-stops-precision","provider":"GearMustHave","version":"1.0","type":"link"}