{"product_id":"sigma-mc-21-z-shape-foot-4-inch-base","title":"Sigma MC-21 Adapter Z-Shape Foot with 4\" Arca-Swiss Base","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eZ-Shape Arca-Swiss Replacement Foot for Sigma MC-21 Mount Converter | 4-Inch Base\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003eSigma MC-21 Adapter Z-Shape Foot with 4\" Arca-Swiss Base\u003c\/h1\u003e \n\u003cp\u003e\n    The \u003cstrong\u003eZ-Shape Foot for the Sigma MC-21 adapter\u003c\/strong\u003e is a professional-grade mounting solution designed to provide the same stability and balance typically found on telephoto lenses with built-in foot collars. This assembly consists of a 4-inch Arca-Swiss compatible base and a vertical foot, allowing you to shift the mounting point away from the camera body for superior equipment balance. This setup is essential for photographers using the Sigma EF-L mount converter with heavier glass, ensuring a rock-solid, anti-twist connection.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Stability:\u003c\/strong\u003e Enables standard lenses to be used like telephoto lenses with a tripod collar for better weight distribution.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAdjustable Balance:\u003c\/strong\u003e The vertical component can be repositioned at different locations along the 4-inch base to find the optimal center of gravity.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Clearance:\u003c\/strong\u003e Specifically designed to resolve clearance issues when mounting the Sigma MC-21 on monopods, tripods, or in combination with L-brackets.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Mounting:\u003c\/strong\u003e 4-inch base is natively compatible with Arca-Swiss style clamps from RRS, Kirk, Wimberley, and Markins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Build:\u003c\/strong\u003e Precision CNC machined from aircraft-grade 6061-T6 aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAmerican Made:\u003c\/strong\u003e Designed and manufactured in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProfessional Z-Shape Mounting System\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your \u003cstrong\u003eSigma MC-21 mount converter\u003c\/strong\u003e with a modular Z-shaped assembly built for field reliability. By moving the mounting point beneath the adapter rather than the camera body, this foot reduces stress on the lens mount and improves overall stability when using adapted Canon EF or Sigma EF lenses. The low-profile design ensures your camera remains easily accessible while providing the necessary height for comfortable tripod use.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003ePrecision Engineering and Modularity:\u003c\/strong\u003e This assembly is designed for the rigors of professional workflows. The vertical Z-component attaches directly to the Arca-type foot base, which is natively compatible with nearly all professional quick-release systems. Note that the specific Arca-Swiss replacement foot for the Sigma MC-21 adapter is required for use with this vertical assembly.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAdapter Compatibility:\u003c\/strong\u003e Sigma MC-21 EF-L Mount Converter\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBase Length:\u003c\/strong\u003e 4.00 Inches (101.6mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFoot Dimensions:\u003c\/strong\u003e 1.8\" L x 1.765\" W x 2.125\" H\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.0 oz (56g) for assembly\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum with Stainless Steel Hardware\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Hardware:\u003c\/strong\u003e One 1\/4-20 captive screw and two 1\/4-20 mounting screws included\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598879849,"sku":"Foot_Base_7","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Foot_Base_7-2.jpg?v=1792111047","url":"https:\/\/www.hejnarphotostore.com\/products\/sigma-mc-21-z-shape-foot-4-inch-base","provider":"Hejnar Photo","version":"1.0","type":"link"}