{"product_id":"manfrotto-400-deluxe-geared-head-arca-swiss-adapte","title":"Arca-Swiss Conversion Adapter Plate for Manfrotto 400 Deluxe Geared Head","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 – Manfrotto 400 Deluxe Geared Head Arca-Swiss Conversion Plate\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 Plate for Manfrotto 400 Deluxe Geared Head\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 Manfrotto 400 Conversion Plate\u003c\/strong\u003e is a precision-engineered solution designed for professionals who demand the incremental accuracy of the 400 Deluxe Geared Head but want the modular flexibility of the Arca-Swiss ecosystem. This \u003cstrong\u003eadapter plate only\u003c\/strong\u003e (clamp sold separately) replaces the bulky factory mounting platform with an unyielding, low-profile foundation for medium format systems and professional rigs. Proudly CNC-machined in the USA from solid 6061-T6 aluminum, it provides the structural integrity required for precise architectural, interior, and macro photography.\n    \u003c\/p\u003e \n    \u003cp style=\"font-size:14px; color:#d9534f; font-weight:bold; background-color:#fdf7f7; padding:10px; border:1px solid #d9534f; border-radius:4px;\"\u003e \n        Note: An Arca-Swiss Quick Release Clamp is REQUIRED to use this plate and is sold separately.\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 exclusively for the Manfrotto 400 Deluxe Geared Head.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.56 inches long x 2.56 inches wide x 5\/8 inch thick.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting:\u003c\/strong\u003e One 1\/4-20 tapped center hole and eight 10-32 tapped holes placed at 90-degree increments.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eHole Spacing:\u003c\/strong\u003e Mounting distance between 10-32 holes is 30mm or 45mm.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 Aircraft-Grade Aluminum.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable black hard-coat anodized for superior abrasion and corrosion 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!-- ===================== INSTALLATION STEPS ===================== --\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;\"\u003eDetailed Installation Instructions\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:12px; color:#333;\"\u003e \n        Modernize your geared head in a few simple, fully reversible steps: \n    \u003c\/p\u003e \n    \u003col style=\"padding-left:20px; line-height:1.8; font-size:14px; color:#333;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eRemove Factory Platform:\u003c\/strong\u003e Loosen the two hex socket screws holding the bridges on each side of the original mounting platform using the provided hex wrench.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eDetach Lock-Down Mechanism:\u003c\/strong\u003e Remove the original quick release lock-down mechanism by unscrewing the two flat head screws on the back of the platform.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eSecure the Adapter Plate:\u003c\/strong\u003e Slide the round section of the M400 adapter under the front V-groove and secure it from underneath using the provided industrial-grade hex socket screws.\u003c\/li\u003e \n    \u003c\/ol\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\u003ePrecision Geared Foundation:\u003c\/strong\u003e Maintains the 400 Deluxe's exact multi-axis geared adjustments while providing a modern Arca-Swiss interface.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eModular Versatility:\u003c\/strong\u003e The eight tapped holes allow you to position your chosen Arca-type clamp in 90-degree increments for ideal ergonomic control.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eZero Rotational Play:\u003c\/strong\u003e Precision-milled registration ensures the plate sits perfectly flush against the head for an anti-twist, zero-play interface.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eProfessional Profile:\u003c\/strong\u003e Replaces factory components with a rigid aluminum bridge, significantly reducing vibration during critical long exposures.\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 Manfrotto 400 Deluxe Geared Head Conversion Plate is the definitive upgrade for photographers who require the incremental precision of a geared head but want the standardized flexibility of the Arca-Swiss ecosystem. By converting your head, you bypass the \"play\" often found in stock Manfrotto systems, ensuring your micron-level gear adjustments translate perfectly to your final capture.\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 by medium format systems and heavy professional payloads. The high-density 6061-T6 aluminum construction provides a structural integrity that factory components cannot match, eliminating unwanted bending forces.\n    \u003c\/p\u003e \n    \u003cp style=\"font-size:14px;\"\u003e \n        Designed and manufactured in the USA, this component provides the technical excellence and rigorous tolerances that distinguish Hejnar Photo gear from mass-produced alternatives. It is a robust, intelligent investment that modernizes your existing field support system for ultimate reliability.\n    \u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701611135081,"sku":"M400_Plate_Only","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/M400F63b-4_daed7ea2-0941-490f-a05b-8f11f3cce072.jpg?v=1793926243","url":"https:\/\/www.hejnarphotostore.com\/products\/manfrotto-400-deluxe-geared-head-arca-swiss-adapte","provider":"Hejnar Photo","version":"1.0","type":"link"}