{"product_id":"astronomy-plus-m68-spacer-rings","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":46575117336805,"sku":"AST-TA444-01","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.15 mm","offer_id":46575117369573,"sku":"AST-TA444-015","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.2 mm","offer_id":46575117402341,"sku":"AST-TA444-02","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.3 mm","offer_id":46575117435109,"sku":"AST-TA444-03","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.4 mm","offer_id":46575117467877,"sku":"AST-TA444-04","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.5 mm","offer_id":46575117500645,"sku":"AST-TA444-05","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.6 mm","offer_id":46575117533413,"sku":"AST-TA444-06","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.7 mm","offer_id":46575117566181,"sku":"AST-TA444-07","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"0.8 mm","offer_id":46575117598949,"sku":"AST-TA444-08","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"1 mm","offer_id":46575117631717,"sku":"AST-TA444-1","price":5.5,"currency_code":"CAD","in_stock":true},{"title":"Kit of 10 Spacers (One of each thickness)","offer_id":46575117664485,"sku":"AST-TA444-KIT","price":38.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/CokenSpacer_96f3df28-7586-4895-8b8f-ac77f5d0344a.webp?v=1741458810","url":"https:\/\/istronomyplus.com\/products\/astronomy-plus-m68-spacer-rings","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}