{"product_id":"astronomy-plus-fine-m68-adjustment-spacer-rings-01-to-1mm","title":"Astronomy Plus Fine M68 Adjustment Spacer Rings (0.1 to 1mm)","description":"\u003ch1\u003e\u003cspan class=\"Polaris-Text--root Polaris-Text--bodyMd\"\u003eAstronomy Plus Fine M68 Adjustment Spacer Rings (0.1 to 1mm)\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003eSpacers in astrophotography are used to achieve precise backfocus, ensuring the optimal distance between the telescope's optics and the camera sensor. This alignment is crucial for sharp, well-focused images and prevents issues like distorted stars or vignetting.\u003c\/p\u003e\n\u003cp\u003eThese stainless steel spacer rings fits M68 accessories. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable cellspacing=\"0\" border=\"0\"\u003e\n\u003ccolgroup span=\"2\" width=\"103\"\u003e\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003eFitting size\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eM68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003eMaterial\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable thicknesses:\u003c\/h2\u003e\n\u003ctable style=\"width: 100.041%; height: 231px;\" border=\"0\" cellspacing=\"0\"\u003e\n\u003ccolgroup width=\"107\"\u003e\u003c\/colgroup\u003e \u003ccolgroup width=\"154\"\u003e\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003eThickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-01\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-015\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-02\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-03\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-04\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-05\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-06\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-07\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-08\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e0.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21px;\"\u003e\n\u003ctd style=\"width: 39.8417%; height: 21px;\" align=\"center\" height=\"21\"\u003eTA444-1\u003c\/td\u003e\n\u003ctd style=\"width: 57.7556%; height: 21px;\" align=\"center\"\u003e1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eSelected thickness of stainless steel spacer :\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.1 mm\u003c\/li\u003e\n\u003cli\u003e0.15 mm\u003c\/li\u003e\n\u003cli\u003e0.2 mm\u003c\/li\u003e\n\u003cli\u003e0.3 mm\u003c\/li\u003e\n\u003cli\u003e0.4 mm\u003c\/li\u003e\n\u003cli\u003e0.5 mm\u003c\/li\u003e\n\u003cli\u003e0.6 mm\u003c\/li\u003e\n\u003cli\u003e0.7 mm\u003c\/li\u003e\n\u003cli\u003e0.8 mm\u003c\/li\u003e\n\u003cli\u003e1 mm\u003c\/li\u003e\n\u003cli\u003eKit of 10 : one of each.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astronomy Plus","offers":[{"title":"0.1 mm","offer_id":51079441678583,"sku":"jxn1787937761839","price":2.74,"currency_code":"USD","in_stock":true},{"title":"0.15 mm","offer_id":51079441711351,"sku":"wjx1787937761840","price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.2 mm","offer_id":51079441744119,"sku":"cnr1787937761841","price":2.54,"currency_code":"USD","in_stock":true},{"title":"0.3 mm","offer_id":51079441776887,"sku":"nsy1787937761842","price":2.5,"currency_code":"USD","in_stock":true},{"title":"0.4 mm","offer_id":51079441809655,"sku":"szm1787937761843","price":2.78,"currency_code":"USD","in_stock":true},{"title":"0.5 mm","offer_id":51079441842423,"sku":"wbs1787937761844","price":3.02,"currency_code":"USD","in_stock":true},{"title":"0.6 mm","offer_id":51079441875191,"sku":"nir1787937761845","price":3.18,"currency_code":"USD","in_stock":true},{"title":"0.7 mm","offer_id":51079441907959,"sku":"xaf1787937761846","price":3.14,"currency_code":"USD","in_stock":true},{"title":"0.8 mm","offer_id":51079441940727,"sku":"puq1787937761847","price":3.1,"currency_code":"USD","in_stock":true},{"title":"1 mm","offer_id":51079441973495,"sku":"wbk1787937761848","price":2.38,"currency_code":"USD","in_stock":true},{"title":"Kit of 10 Spacers (One of each thickness)","offer_id":51079442006263,"sku":"oqn1787937761849","price":21.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/0577\/9447\/files\/astronomy-plus-fine-m68-adjustment-spacer-rings-01-to-1mm_1.webp?v=1787937771","url":"https:\/\/www.thegracefulroom.shop\/products\/astronomy-plus-fine-m68-adjustment-spacer-rings-01-to-1mm","provider":"My Store","version":"1.0","type":"link"}