{"product_id":"k-f-concept-55mm-black-diffusion-variable-nd2-nd32-filter-2-in-1","title":"K\u0026F CONCEPT 55mm Black Diffusion Variable ND2-ND32 Filter - 2-in-1","description":"\u003cp\u003eIn this review the K\u0026amp;F CONCEPT 55mm Black Diffusion Variable ND2-ND32 filter is examined for photographers and videographers who want a compact, multifunctional filter that both controls exposure and adds a soft cinematic look. The bottom line: this 2-in-1 filter combines a variable ND range and a 1\/4 black diffusion effect in a single screw-on piece, making it a practical tool for run-and-gun shooters and hobbyists who want fewer accessories to carry while still getting creative motion and dreamy highlights.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eVariable ND2-ND32:\u003c\/strong\u003e Allows roughly 1 to 5 stops of light control so users can quickly reduce exposure without changing aperture or shutter settings.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBlack Diffusion 1\/4 effect:\u003c\/strong\u003e Adds a subtle cinematic softening to highlights and skin tones for a filmic look in both photo and video work.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNo X cross on images:\u003c\/strong\u003e Frame-self locked design prevents the typical cross pattern on wide-angle lenses, keeping images clean when using the variable ND function.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eJapanese AGC optical glass:\u003c\/strong\u003e Maintains about 84% transmittance and uses double-side polishing to preserve sharpness across the frame.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e28 multi-layer coatings:\u003c\/strong\u003e Reduces internal reflections and offers waterproof, oilproof and scratch-resistant surfaces for easier cleaning and longer life.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCNC non-slip frame:\u003c\/strong\u003e A textured, self-locking metal frame makes it straightforward to install and remove the filter on 55mm lenses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe filter is best for hobbyist and enthusiast photographers and videographers using lenses with a 55mm thread who want quick exposure control plus a gentle diffusion look without carrying separate filters. It is particularly useful for portrait and run-and-gun video where highlight bloom and skin smoothing add cinematic appeal.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include photographers needing very strong ND ranges beyond 5 stops for long exposures, or professionals who require ultra-high-end glass with specialized optical formulas; this unit is positioned as a versatile, affordable two-in-one solution rather than a pro-level multi-stop or dedicated specialty filter.\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\u003eCombines variable ND and 1\/4 black diffusion in one filter so fewer accessories are needed on shoots.\u003c\/li\u003e\n \u003cli\u003eDesign prevents the X cross effect on wide-angle lenses, producing usable wide shots without artifacts.\u003c\/li\u003e\n \u003cli\u003eQuality construction with Japanese AGC glass and 28 coatings keeps images sharp and reduces reflections.\u003c\/li\u003e\n \u003cli\u003eCNC non-slip frame and self-locking mechanism make handling and mounting reliable in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eLimited ND range (about 1-5 stops) may not satisfy photographers who need longer exposure times or heavier light reduction.\u003c\/li\u003e\n \u003cli\u003eOnly compatible with 55mm thread lenses, so adapters are required for other sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eFilter type\u003c\/td\u003e\n\u003ctd\u003eVariable ND2-ND32 + Black Diffusion 1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eThread size\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eND range\u003c\/td\u003e\n\u003ctd\u003eApprox. 1 to 5 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003eImported Japanese AGC optical glass\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eDouble-side, 28 multi-layer coatings (waterproof, oilproof, scratch-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eCNC non-slip, frame-self locked design\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTransmittance\u003c\/td\u003e\n\u003ctd\u003eStandard 84% (black diffusion filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis K\u0026amp;F CONCEPT 55mm 2-in-1 filter is a sensible buy for enthusiasts and content creators who value convenience and a cinematic look without carrying multiple filters. It delivers reliable exposure control, preserves image quality with quality glass and coatings, and avoids common variable ND artifacts, making it good value for photographers using 55mm-thread lenses who need quick, creative results.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this filter compatible with my lens?\u003c\/strong\u003e\u003cbr\u003eIt fits lenses with a 55mm thread; check the lens barrel or underneath the lens cap for the diameter symbol to confirm compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill I see an X pattern on wide-angle shots?\u003c\/strong\u003e\u003cbr\u003eNo, the frame-self locked design is intended to prevent the X cross artifact commonly seen with variable ND filters on wide-angle lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the diffusion affect sharpness?\u003c\/strong\u003e\u003cbr\u003eThe Japanese AGC glass and double-side polishing help retain overall sharpness while the 1\/4 black diffusion provides gentle highlight softening and cinematic bloom.\u003c\/p\u003e","brand":"K\u0026F Concept","offers":[{"title":"Default Title","offer_id":48248223105243,"sku":"B09NKS1GPJ","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61mA6GrRCdL._AC_SL1000_e5590bbd-9c92-45b5-9353-8c23c4e55e25.jpg?v=1771001534","url":"https:\/\/gearmusthave.com\/products\/k-f-concept-55mm-black-diffusion-variable-nd2-nd32-filter-2-in-1","provider":"GearMustHave","version":"1.0","type":"link"}