{"product_id":"t-sm12rr-m125-x-05-retaining-ring-for-o12-mm-lens-mounts","title":"T-SM12RR - M12.5 x 0.5 Retaining Ring for Ø12 mm Lens Mounts","description":"\u003cp\u003eT-SM12RR - M12.5 x 0.5 Retaining Ring for Ø12 mm Lens Mounts\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/TTN122371-E0W.pdf?v=1689380495\"\u003e\u003cstrong\u003eProduct Drawing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv\u003eThread M12.5 x 0.5\u003c\/div\u003e\n\u003cdiv\u003eThickness 0.07\" (1.7 mm)\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eClear Aperture Ø0.40\" (Ø10.2 mm)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ctable align=\"center\" cellspacing=\"0\" class=\"RedSpecTable\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"subhead\"\u003e\n\u003ctd align=\"center\" colspan=\"2\" class=\"leftBorder\"\u003eInternal Thread\u003c\/td\u003e\n\u003ctd align=\"center\" colspan=\"2\"\u003eExternal Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"evenRow\"\u003e\n\u003ctd width=\"150\" align=\"left\" class=\"leftBorder\"\u003e\u003cstrong\u003eMin Major Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.500 mm\u003c\/td\u003e\n\u003ctd width=\"150\" align=\"left\"\u003e\u003cstrong\u003eMax Major Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.480 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\" class=\"leftBorder\"\u003e\u003cstrong\u003eMin Pitch Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.175 mm\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMin Major Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.374 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"evenRow\"\u003e\n\u003ctd align=\"left\" class=\"leftBorder\"\u003e\u003cstrong\u003eMax Pitch Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.291 mm\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMax Pitch Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\" class=\"leftBorder\"\u003e\u003cstrong\u003eMin Minor Diameter\u003cbr\u003e(and 83.3% of Thread)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e11.959 mm\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMin Pitch Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.067 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"evenRow\"\u003e\n\u003ctd align=\"left\" class=\"leftBorder\"\u003e\u003cstrong\u003eMax Minor Diameter\u003cbr\u003e(and 64.9% of Thread)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e12.099 mm\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMax Minor Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e11.938 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOur Standard Retaining Rings are manufactured from anodized aluminum and are offered in sizes to match our optic mounts and lens tubes.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThey maximize the clear aperture while providing sufficient holding force.\u003c\/p\u003e\n\u003cp\u003eSecuring an optic using a retaining ring is a stable method for holding the optic since the optic is retained along its entire edge instead of just at a few points.\u003c\/p\u003e\n\u003cp\u003eEach retaining ring is machined with two slots for compatibility with our selection of spanner wrenches.\u003cbr\u003e\u003c\/p\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083750416640,"sku":"T-SM12RR","price":31.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/TTN122371-xl.jpg?v=1785204493","url":"https:\/\/alotechparts.com\/products\/t-sm12rr-m125-x-05-retaining-ring-for-o12-mm-lens-mounts","provider":"Alo Tech Solutions","version":"1.0","type":"link"}