{"product_id":"astronomy-plus-telescope-collimation-eyepiece-long-style-ta13","title":"Astronomy Plus Chesire Telescope Collimation Eyepiece (long style) (TA13)","description":"\u003ch1 data-end=\"515\" data-start=\"174\"\u003eAstronomy Plus Chesire Telescope Collimation Eyepiece (long style)\u003c\/h1\u003e\n\u003cp data-end=\"515\" data-start=\"174\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"515\" data-start=\"174\"\u003eThis \u003cstrong data-end=\"204\" data-start=\"179\"\u003elong-style collimator\u003c\/strong\u003e is a precision alignment tool designed for Newtonian and Dobsonian telescopes, offering enhanced visibility and accuracy thanks to its extended length. Crafted from \u003cstrong data-end=\"395\" data-start=\"370\"\u003eCNC-machined aluminum\u003c\/strong\u003e, it provides a robust and lightweight solution for telescope collimation without the need for batteries or electronics.\u003c\/p\u003e\n\u003cp data-end=\"949\" data-start=\"517\"\u003eIdeal for both beginners and experienced astronomers, this tool typically functions as a \u003cstrong data-end=\"633\" data-start=\"606\"\u003eCheshire-style eyepiece\u003c\/strong\u003e or combination sight tube and Cheshire, giving you clear visual cues to align your secondary and primary mirrors. The longer body increases sighting accuracy by offering a more stable optical axis and better alignment reference, especially useful on telescopes with longer focal lengths or larger secondary mirrors.\u003c\/p\u003e\n\u003cp data-end=\"1324\" data-start=\"951\"\u003eThe internal reflective surface and central peephole allow precise collimation using ambient light, while the durable aluminum construction ensures long-lasting performance in the field or observatory. Whether you're star-testing or preparing for a high-power planetary session, this tool helps you achieve the \u003cstrong data-end=\"1289\" data-start=\"1262\"\u003esharpest possible image\u003c\/strong\u003e through careful optical alignment.\u003c\/p\u003e\n\u003cp data-end=\"1414\" data-start=\"1326\"\u003eA must-have for serious observers who value mechanical simplicity and optical precision.\u003c\/p\u003e\n\u003cp data-end=\"1414\" data-start=\"1326\"\u003e \u003c\/p\u003e\n\u003ch3 data-end=\"1414\" data-start=\"1326\"\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eAstronomy Plus Telescope Collimation Eyepiece (long style)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/istronomyplus.com\/pages\/astronomy-plus-warranty\" rel=\"noopener\" target=\"_blank\"\u003eAstronomy Plus Warranty\u003c\/a\u003e\u003c\/p\u003e","brand":"Astronomy Plus","offers":[{"title":"Default Title","offer_id":47030602498277,"sku":"AP-TA13","price":30.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/1_919098c0-a88a-4163-95de-fd451c98618d.webp?v=1751659306","url":"https:\/\/istronomyplus.com\/products\/astronomy-plus-telescope-collimation-eyepiece-long-style-ta13","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}