{"product_id":"celticbird-2inch-telescope-eyepiece-extension-tube-adapter-optical-length-40mm-total-length-70mm","title":"CelticBird 2inch Telescope Eyepiece Extension Tube Adapter - Optical Length 40mm - Total Length 70mm","description":"\u003ch3\u003eCelticBird 2inch Telescope Eyepiece Extension Tube Adapter - Optical Length 40mm - Total Length 70mm\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eCelticBird 2-Inch Telescope Eyepiece Extension Tube Adapter provide extra\nfocuser back travel sometimes needed to achieve focus with certain eyepiece or\ntelescope combinations. More back travel is often needed for short-range\nterrestrial viewing or with use of a field flattener, coma corrector, or focal\nreducer lens. Extension tube provides extra focuser \"back travel\" often needed\nfor short-range terrestrial viewing through a telescope, or for\nastrophotographic applications. Fits in 2\" telescope focusers, and accepts 2\"\neyepieces or accessories. Features two locking thumbscrews to secure any\ninserted astronomy accessory, with a brass compression insh to prevent the\nmarring of your telescope accessories. Machined of high quality aluminum and\nanodized black, durable for long time use.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003eExtension focal length: 60mm. Total length: 90mm. Extension tube provides extra focuser \"back travel\" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications\u003c\/li\u003e\n         \u003cli\u003eFits in 2\" telescope focusers, and accepts 2\" eyepieces or accessories. Threaded for use with standand 2-Inch astrophotography filters\u003c\/li\u003e\n         \u003cli\u003eFeatures a locking thumbscrew to secure any inserted astronomy accessory, with a brass compression insh to prevent the marring of your telescope accessories\u003c\/li\u003e\n         \u003cli\u003eMachined of high quality aluminum and anodized black, durable for long time use\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003chr class=\"py-vbody\" style=\"display: none\"\u003e\n\n\n","brand":"Celticbird","offers":[{"title":"Default Title","offer_id":42792918876320,"sku":"B0B5KZ2JM2","price":139.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/7134\/3776\/products\/B0B5KZ2JM2.jpg?v=1669163345","url":"https:\/\/dingoship.com.au\/products\/celticbird-2inch-telescope-eyepiece-extension-tube-adapter-optical-length-40mm-total-length-70mm","provider":"DingoShip AU","version":"1.0","type":"link"}