{"product_id":"m48-extension-ring-2-28mm","title":"M48 Extension Ring (2\") - 28mm","description":"\u003cp\u003eAluminium Extension Tube 2\" with double sided 2\" filter thread - length 28mm\u003cbr\u003eThe extension tube is simply screwed into the M48 filter thread from 2\" eyepieces or 2\" adapters and therefore will extend the barrel. Therefore the fitting accuracy of an adapter can be greatly improved.\u003c\/p\u003e\n\u003cp\u003eThese tubes are also important for astrophotography when the correct distance between corrector and camera sensor is required. In this case, just a few millimeters can be critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptical path: 28mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInner diameter \/ clear aperture: 45mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 2\" (50.8mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInternal connector (telescope side): Thread, M48x0.75, length 3 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExternal connector (both sides): Barrel, 2\" (50.8 mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExternal connector (ocular\/camera side): Thread, M48x0.75\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum, black anodized\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight (kg): 0.052\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eExtension tube\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!----\u003e","brand":"TS Optics","offers":[{"title":"Default Title","offer_id":49209522848079,"sku":"BAHYP28","price":29.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/BAHYP28-AdapterRing.jpg?v=1719571943","url":"https:\/\/www.horizonastronomy.ie\/en-es\/products\/m48-extension-ring-2-28mm","provider":"Horizon Astronomy • Telescope Center","version":"1.0","type":"link"}