{"product_id":"sm1-lens-tube","title":"8mm Length | 30.5mm Outer | 23.0mm Clear | Aluminum | SM1 Lens Tube","description":"\u003cp\u003e8mm SM1 lens tube with internal and external SM1 (1.035\"-40) threads in black-anodized aluminum for Ø1\" (Ø25.4 mm) optics and 30 mm cage systems.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 253.8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 18.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 18.6px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 18.6px;\"\u003esm1-l8-in30.5-out23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eThread Combination\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003eInternal + External\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eInternal Thread\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003eSM1 (1.035\"-40)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eExternal Thread\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003eSM1 (1.035\"-40)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eExternal Thread Depth\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003e3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eClear Aperture\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003e23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003e30.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eOptic Diameter\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003eØ1\" (Ø25.4 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eRetaining Ring\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003e1 included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eRetaining Ring Thickness\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 53.8704%; height: 19.6px;\"\u003eProcessing\u003c\/th\u003e\n\u003ctd style=\"width: 43.8074%; height: 19.6px;\"\u003eBlack Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fulteng - Optomechanical and Components","offers":[{"title":"Internal SM1 | External SM1 \/ 8mm \/ Aluminum (Black Anodized)","offer_id":51431146291423,"sku":"sm1-l8a-in30.5-ext23","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7399\/3439\/files\/Lens_Tube2.jpg?v=1793687245","url":"https:\/\/www.fulteng.com\/zh\/products\/sm1-lens-tube","provider":"Fulteng - Optomechanical and Components Workshop","version":"1.0","type":"link"}