{"product_id":"hejnar-manfrotto-501pl-502-504-arca-swiss-conversi","title":"Arca-Swiss Conversion Adapter for Manfrotto 501PL, 502, 504, Nitro, RC3, RC5, and NG Heads","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f8f9fa; border-left:4px solid #1a1a1a; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#1a1a1a;\"\u003eHejnar Photo – 3.50\" Manfrotto Conversion Plate with Integrated Arca-Swiss Clamp\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== H1 SEO HEADLINE ===================== --\u003e \n\u003ch1 style=\"font-family:Arial, sans-serif; font-size:24px; color:#111; margin-bottom:20px; line-height:1.3; font-weight:700;\"\u003e\n    Arca-Swiss Conversion Adapter for Manfrotto 501PL, 502, 504, Nitro, RC3, RC5, and NG Heads\n\u003c\/h1\u003e \n\n\u003c!-- ===================== INTRODUCTORY OVERVIEW ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333; margin-bottom:25px;\"\u003e \n    \u003cp style=\"font-size:15px;\"\u003e \n        The \u003cstrong\u003eHejnar Photo MF501 Conversion Plate\u003c\/strong\u003e is a professional-grade solution designed to bring universal Arca-Swiss compatibility to your Manfrotto video support system. This 3.50-inch adapter plate features a \u003cstrong\u003ebuilt-in Arca-type clamp\u003c\/strong\u003e, allowing you to bypass proprietary Manfrotto sliding plates and utilize your preferred Arca-style L-brackets and camera plates directly on fluid video heads. Precision CNC-machined in the USA from solid 6061-T6 aluminum, it provides an unyielding, monolithic foundation for technical videography and hybrid shooting.\n    \u003c\/p\u003e \n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== SAE TECHNICAL SPECIFICATIONS ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e \n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eSAE Technical Specifications\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px; color:#333;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for Manfrotto 501PL, 502, 504, Nitro, RC3, RC5, and 701 NG heads.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003ePlate Length:\u003c\/strong\u003e 3.50 inches (89mm) for balanced support.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eIntegrated Clamp:\u003c\/strong\u003e Features a smooth-engagement Arca-type quick-release mechanism built directly into the plate.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-machined from high-density 6061-T6 Aircraft-Grade Aluminum.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable black hard-coat anodized surface for superior abrasion resistance.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Designed, machined, and quality-tested in the USA.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== KEY FEATURES SECTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e \n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px; color:#333;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eDirect System Hybrid:\u003c\/strong\u003e Transitions your video rig from Manfrotto dovetails to Arca-Swiss standards without stacking multiple adapters.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eEnhanced Stability:\u003c\/strong\u003e Replaces factory components with a rigid aluminum bridge to minimize vibration and eliminate \"play\" during panning and tilting.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eStreamlined Workflow:\u003c\/strong\u003e Perfect for videographers using DSLRs or mirrorless cameras who want to move quickly between photography ball heads and fluid video heads.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eZero Rotational Play:\u003c\/strong\u003e The one-piece integrated design ensures the clamp remains perfectly aligned with the head's axis.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333;\"\u003e \n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eComprehensive Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003e \n        The Hejnar Photo 3.50-Inch Manfrotto Conversion Plate is the definitive upgrade for professionals who demand the smooth, fluid control of a video head combined with the universal flexibility of the Arca-Swiss ecosystem. By converting your 501PL, 502, or 504 series head, you bypass the inherent limitations of proprietary sliding plates, ensuring your framing remains perfectly aligned through every pan and tilt.\n    \u003c\/p\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003e \n        This plate is meticulously engineered for the unyielding stability required for heavy professional payloads. The high-density 6061-T6 aluminum construction provides a monolithic connection that factory components simply cannot match, effectively dampening vibrations for critical captures. Because the Arca clamp is integrated directly into the plate, it maintains a low center of gravity and reduces the bulk associated with stacking third-party clamps onto your existing Manfrotto plates.\n    \u003c\/p\u003e \n    \u003cp style=\"font-size:14px;\"\u003e \n        Made in the USA, this component provides the structural integrity and technical excellence that defines Hejnar Photo gear, making it a superior alternative to mass-produced adapters from competitors. It is an intelligent, high-value investment that modernizes your existing support architecture for ultimate reliability across your entire gear bag.\n    \u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701614805097,"sku":"MF501","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MF501_006.jpg?v=1793587319","url":"https:\/\/www.hejnarphotostore.com\/products\/hejnar-manfrotto-501pl-502-504-arca-swiss-conversi","provider":"Hejnar Photo","version":"1.0","type":"link"}