{"title":"Howie Glatter Parallizer Centering Adapters","description":"\u003cp\u003eHowie Glatter Parallizer centering adapters hold an accessory square and centered in the focuser, instead of letting a set screw push it off axis. That matters most for laser collimation, where a small tilt of the collimator gives a false reading, but it also keeps eyepieces and cameras aligned.\u003c\/p\u003e\u003cp\u003eThe range includes the 2.0\" Parallizer eyepiece centering adapter, a 2.0\" to 1.25\" eyepiece centering adapter and a T-adapter with Parallizer design.\u003c\/p\u003e","products":[{"product_id":"howie-glatter-2-0-to-1-25-eyepiece-centering-adapter","title":"Howie Glatter 2.0\" to 1.25\" Eyepiece Centering Adapter","description":"\u003c!-- more --\u003e\u003cp\u003e\u003cstrong\u003eUser Instructions\u003cb\u003e\u003c\/b\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThere is a misconception that the problem of the cylindrical slip-fit system we use for eyepieces and other optical accessories is centering. There are adapters and holders on the market that are advertised as “centering” or “self-centering”, but even if an accessory is pushed off-center a millimeter or more by clamping, that will not introduce a significant problem if the accessory and holder axis remain parallel. This is true even with a laser collimator. In contrast, angular misalignment between the accessory and the drawtube axis of even a few arc minutes can be detrimental, especially for collimation tools and camera adapters. In short, centering is nice, but parallelism is golden! \u003cb\u003e The Parallizer™ 2 inch-to-1.25 inch adapter utilizes a patented design that insures parallel alignment with the drawtube axis of optical accesories such as eyepieces, camera adapters, and collimation tools. The Parallizer's unique, patented alignment feature assures that the drawtube and accessory axis will always be dead parallel. \u003cb\u003e The adapter's non-marring clamp screw is set at 45 degrees, camming the accessory down against the adapter flange when tightened. The Parallizer has zero in-focus loss, and does not require a screw slot to seat fully in a drawtube. It is threaded for 48mm (2”) filters.\u003c\/b\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ch4\u003e News Release ! The Parallizer has been chosen a Sky \u0026amp;Telescope Hot Product for 2012.\u003c\/h4\u003e\u003cp\u003e\u003cspan\u003eS\u0026amp;T says it \"\"...provides three points of contact on the inner and outer surfaces, keeping everything perfectly square.\"\" I should add that the Parallizer actually employs two parallel lines of contact and an opposite clamping point of contact for each of the inner, and outer surfaces. These four parallel lines, two forming a seat for the 2” drawtube, and two forming a seat for the 1 1\/4”accessory, assure drawtube-to-accessory axis parallelism. As Sky \u0026amp; Telescope says, \"\"It’s simple . . and it works . . !\"\" \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e“My crappy focuser only works as well as I need it to because of the Howie\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003eGlatter\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eParallizer. The Parallizer is a 2\"\"-to-1.25\"\" adapter that is very effective at overcoming the external and internal 'slop' that is served up when you dine at the table of imported mass-production.”\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse with\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAny 2.0\"\" opening\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":44967261438237,"sku":"SI-EA20-205P","price":126.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Starlight-Instruments-2-0-inch-to-1-25-inch-Eyepiece-Centering-Adapter-EA20-205P-1__05083.1596313977.1280.1280.jpg?v=1684339583"},{"product_id":"howie-glatter-2-0-parallizer-eyepiece-centering-adapter","title":"Howie Glatter 2.0\" Parallizer Eyepiece Centering Adapter","description":"\u003c!-- more --\u003e\u003cp\u003eIntroducing the SCT Parallizer®. This new application of Howie Glatter’s patented Parallizer® principle raises the bar for performance.  The 2” holder works just like clamping a cylinder in a v-block.\u003c\/p\u003e\u003cp\u003eThe SCT Parallizer allows for consistent repeatable performance with no possibility of wiggle.  This adapter comes with a non-marring clamp screw which lock accessories and imagaing equipment securely and has repeat alignment guaranteed within 15 arc seconds. \u003c\/p\u003e\u003cp\u003eThis adapter has a dovetail flange which connects to one of our SCT adapters via set screws or thumb screws can be used.\u003c\/p\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":44967269105949,"sku":"SI-A20-SCT-P","price":126.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Howie-Glatter-2-Parallizer-SI-A20-SCT-P__16297.1617666277.1280.1280.jpg?v=1684339869"},{"product_id":"howie-glatter-t-adater-w-parallizer-design","title":"Howie Glatter T-Adater w\/ Parallizer Design","description":"\u003c!-- more --\u003e\u003cp\u003e\u003cspan\u003eT-adapter with Howie Glatter's Parallizer Patent alignment feature allows your image train to stay parallel\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThere is a misconception that the problem of the cylindrical slip-fit system we use for eyepieces and other optical accessories is centering. There are adapters and holders on the market that are advertised as “centering” or “self-centering”, but even if an accessory is pushed off-center a millimeter or more by clamping, that will not introduce a significant problem if the accessory and holder axis remain parallel. This is true even with a laser collimator. In contrast, angular misalignment between the accessory and the drawtube axis of even a few arc minutes can be detrimental, especially for collimation tools and camera adapters. In short, centering is nice, but parallelism is golden! \u003cb\u003e The Parallizer™ patented design insures parallel alignment with the drawtube axis of optical accesories such as eyepieces, camera adapters, and collimation tools. The Parallizer's unique, patented alignment feature assures that the drawtube and accessory axis will always be dead parallel. \u003cb\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/b\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ch4\u003e News Release ! The Parallizer has been chosen a Sky \u0026amp;Telescope Hot Product for 2012.\u003c\/h4\u003e\u003cp\u003e\u003cspan\u003eS\u0026amp;T says it \"\"...provides three points of contact on the inner and outer surfaces, keeping everything perfectly square.\"\" I should add that the Parallizer design actually employs two parallel lines of contact and an opposite clamping point of contact for each of the inner, and outer surfaces. These four parallel lines, two forming a seat for the 2” drawtube, and two forming a seat for the 1 1\/4”accessory, assure drawtube-to-accessory axis parallelism. As Sky \u0026amp; Telescope says, \"\"It’s simple . . and it works . . !\"\" \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e“My crappy focuser only works as well as I need it to because of the Howie\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003eGlatter\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eParallizer. The Parallizer design is very effective at overcoming the external and internal 'slop' that is served up when you dine at the table of imported mass-production.”\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003enull\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":44967269859613,"sku":"SI-EA20-205P-T","price":126.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Starlight-Instruments-T-Adater-Parallizer-Design-EA20-205P-T-1__58211.1596313991.1280.1280.jpg?v=1684339629"}],"url":"https:\/\/davidastro.com\/collections\/howie-glatter-parallizer-centering-adapters.oembed","provider":"David Astro","version":"1.0","type":"link"}