{"product_id":"m48-extension-ring-2-40mm","title":"M42 Extension Ring (2\") - 40mm","description":"\u003cp\u003eThis 40mm extension tube is very helpful if your focuser doesn't have enough back focus, particularly in astrophotography where back focus is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Barrel made of black anodized metal\u003c\/li\u003e\n\u003cli\u003eTelescope-side: T2 female thread (M42x0.75)\u003c\/li\u003e\n\u003cli\u003eCamera-side: T2 male thread (length 4 mm)\u003c\/li\u003e\n\u003cli\u003eOptical path length: 40mm excl. male thread\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TS Optics","offers":[{"title":"Default Title","offer_id":43187587055859,"sku":"TST2V40","price":20.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/products\/TSM4840mmExtension.jpg?v=1662311883","url":"https:\/\/www.horizonastronomy.ie\/en-es\/products\/m48-extension-ring-2-40mm","provider":"Horizon Astronomy • Telescope Center","version":"1.0","type":"link"}