{"product_id":"ast-core-19mm-m58-extension-tube-ast-ext-m58-19","title":"AST Core 19mm M58 Extension Tube | AST-EXT-M58-19","description":"\u003ch4\u003eAST Core 19mm M58 Extension Tube\u003c\/h4\u003e\n\u003cp\u003eThis 19mm M58 Extension Tube is designed to provide the perfect balance between ease of use and enhanced optical performance. By adding 19mm of extra focal length to your optical path, it allows for finer focusing adjustments, ensuring sharper, more precise images. You can also easily combine it with other M58 extension tubes or spacer rings to achieve the perfect focus for any setup.\u003c\/p\u003e\n\u003cp\u003eWhether you're an astrophotographer capturing deep-space objects or an amateur astronomer seeking greater clarity, this AST Core Extension Tube delivers reliable results at a budget-friendly price without sacrificing quality. Built with durable, high-quality materials, it integrates seamlessly into your existing telescope setup for a smooth, hassle-free experience.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExtension Material: Metal\u003c\/li\u003e\n\u003cli\u003eExtension Side 1 Thread: M58*0.75 (Male)\u003c\/li\u003e\n\u003cli\u003eExtension Side 2 Thread: M58*0.75 (Female)\u003c\/li\u003e\n\u003cli\u003eFocal Length: 19mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"All-Star Telescope Canada","offers":[{"title":"Default Title","offer_id":47263122489596,"sku":"AST-EXT-M58-19","price":25.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/EXT-MEDIUM_a46ca13f-4de6-42d5-8bf1-3bfe5d680a58.jpg?v=1750201923","url":"https:\/\/all-startelescope.com\/fr\/products\/ast-core-19mm-m58-extension-tube-ast-ext-m58-19","provider":"All-Star Telescope Canada","version":"1.0","type":"link"}