{"id":8117823570100,"title":"Astromania M42 Extension Tube Kit for Telescope with T Thread 8 10 20 40mm 8mm 10mm 20mm 40mm","handle":"astromania-m42-extension-tube-kit-for-telescope-with-t-thread-8-10-20-40mm-8mm-10mm-20mm-40mm","description":"\u003ch3\u003eAstromania M42 Extension Tube Kit for Telescope with T Thread 8 10 20 40mm\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMale thread - M42X0.75; Female thread - M42X0.75; eliminates a range of focusing problems\u003c\/li\u003e\n \u003cli\u003eThe extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography\u003c\/li\u003e\n \u003cli\u003eUse this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners\u003c\/li\u003e\n \u003cli\u003eAll metal construction and anodizing aluminium process; durable for long time use\u003c\/li\u003e\n \u003cli\u003eThe required spacing can be achieved by combining several extenders of differing lengths; 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Female thread - M42X0.75; eliminates a range of focusing problems\u003c\/li\u003e\n \u003cli\u003eThe extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography\u003c\/li\u003e\n \u003cli\u003eUse this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners\u003c\/li\u003e\n \u003cli\u003eAll metal construction and anodizing aluminium process; durable for long time use\u003c\/li\u003e\n \u003cli\u003eThe required spacing can be achieved by combining several extenders of differing lengths; you can use 1 piece 2 pieces 3 pieces or 4 pieces of the extension rings as you like\u003c\/li\u003e\n \u003c\/ul\u003e"}