{"title":"Astronomia Howie Glatter Accessori","description":"","products":[{"product_id":"howie-glatter-parallizer-2-su-riduttore-1-25","title":"Howie Glatter  Parallizer 2\" su riduttore 1,25\"","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\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!\u003cbr\u003eThe 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.\u003cbr\u003eThe 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\/p\u003e\n\u003cp\u003e\u003cb\u003eNews Release ! The Parallizer has been chosen a Sky \u0026amp;Telescope Hot Product for 2012.\u003c\/b\u003e \u003c\/p\u003e\n\u003cp\u003eas seen in the picture on the left\u003cbr\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\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120674504920,"sku":"23927","price":164.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/7681ccfb5b37a74820a5843402cbafd2.jpg?v=1764069387"},{"product_id":"howie-glatter-barlowed-collimation-plug","title":"Howie Glatter  Barlowed Collimation Plug","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHowie Glatter Blug – L'accessorio per collimare in tutta comodità.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBlug\u003c\/b\u003e sta per „barlowed collimation plug“ – ovvero: Collegamento Barlow-Collimazione. Il Blug è in cuneo a 45° per rendere visibile il segno proiettato all'indietro e i cerchi concentrici del laser su specchio principale e secondario. La lente di Barlow è integrata all'interno del “Blug” e presenta un rivestimento multistrato anti riflesso. Il „Blug“ è disponibile in due taglie, in versione 1.25’’ e 2’’. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eCosa fa il „Blug“\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eSui Dobson a traliccio l'immagine del cuneo a 45° del Blug è ben riconoscibile sullo specchio principale durante la collimazione. In base all'ombra dei cerchi concentrici e del segno centrale si possono regolare gli specchi sull'asse ottico. In caso di tubo intero bisogna girare il \"Blug\" verso l'esterno di 180° per poter vedere le immagini, e si deve inoltre osservare l'immagine un po' più in avanti durante la collimazione. In questi casi consigliamo il \"tuBlug\".\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120674603224,"sku":"21635","price":125.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/187e6a72f5bf455fa9e5c1dae9311246.jpg?v=1764069390"},{"product_id":"howie-glatter-holographic-attachment-for-laser-collimator-concentric-circle-pattern","title":"Howie Glatter  Holographic Attachment for Laser Collimator - Concentric Circle Pattern","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOptional holographic attachments screw into the laser aperture and have a white screen front surface. They contain an optical element that diffracts most of the laser light into a diverging symmetrical pattern around the central beam. The projected pattern is useful for centering optical elements by making it symmetrical with the edge of the optic. \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThree different patterns are available:\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA 10 x 10 line square grid pattern is supplied as standard unless otherwise requested because it is the widest pattern. It spreads 21 degrees which allows centering of optics as fast as f\/ 2.7. This pattern is recommended for general use because it can be used with the fastest telescopes likely to be encountered. \u003c\/li\u003e\n\u003cli\u003eA nine-concentric circle pattern is available that spans 10 degrees and will reach to the edge of f\/ 5.7 optics. This pattern is recommended for scopes around this focal ratio or slower. Because the laser light is spread over a smaller area it is brighter than the square grid pattern, and this makes it particularly useful with Cassegrain scopes, where the pattern impact is sometimes scrutinized on the mirror surfaces. The projected pattern is seen only by light that is scattered from dust, dirt, or optical roughness, so a brighter pattern is better, especially if the mirrors are very clean. \u003c\/li\u003e\n\u003cli\u003eA cross-hair and circle “scope” pattern is available that spans 10 degrees. It has utility for non-Barlowed , conventional Newtonian primary collimation, where the primary is adjusted to return the reflected central laser beam back into the laser aperture of the collimator. The cross-hair intersection makes it easier to see when the return beam is centered on the collimator face.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e \u003cdiv class=\"important\"\u003e \u003ch2 class=\"hdl-02 mar-0\"\u003eCommento del nostro esperto:\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis is the new version (\"NV\") with coarse thread.\u003c\/b\u003e The attachment fits all Howie Glatter\/Starlight Instruments laser collimators, which also have a new thread (\"NV\" in the item number). If you own an \u003cu\u003eolder\u003c\/u\u003e version of the laser (before 2020), please contact us prior to your order! \u003c\/p\u003e\n\u003cp\u003e(Jan Ströher)\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120675029208,"sku":"45972","price":172.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/6a0915f01143ab6b2afe80ff94c737f1.jpg?v=1764069400"},{"product_id":"howie-glatter-holographic-attachment-for-laser-collimator-square-grid","title":"Howie Glatter  Holographic Attachment for Laser Collimator - Square Grid","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOptional holographic attachments screw into the laser aperture and have a white screen front surface. They contain an optical element that diffracts most of the laser light into a diverging symmetrical pattern around the central beam. The projected pattern is useful for centering optical elements by making it symmetrical with the edge of the optic. \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThree different patterns are available:\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA 10 x 10 line square grid pattern is supplied as standard unless otherwise requested because it is the widest pattern. It spreads 21 degrees which allows centering of optics as fast as f\/ 2.7. This pattern is recommended for general use because it can be used with the fastest telescopes likely to be encountered. \u003c\/li\u003e\n\u003cli\u003eA nine-concentric circle pattern is available that spans 10 degrees and will reach to the edge of f\/ 5.7 optics. This pattern is recommended for scopes around this focal ratio or slower. Because the laser light is spread over a smaller area it is brighter than the square grid pattern, and this makes it particularly useful with Cassegrain scopes, where the pattern impact is sometimes scrutinized on the mirror surfaces. The projected pattern is seen only by light that is scattered from dust, dirt, or optical roughness, so a brighter pattern is better, especially if the mirrors are very clean. \u003c\/li\u003e\n\u003cli\u003eA cross-hair and circle “scope” pattern is available that spans 10 degrees. It has utility for non-Barlowed , conventional Newtonian primary collimation, where the primary is adjusted to return the reflected central laser beam back into the laser aperture of the collimator. The cross-hair intersection makes it easier to see when the return beam is centered on the collimator face.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e \u003cdiv class=\"important\"\u003e \u003ch2 class=\"hdl-02 mar-0\"\u003eCommento del nostro esperto:\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis is the new version (\"NV\") with coarse thread.\u003c\/b\u003e The attachment fits all Howie Glatter\/Starlight Instruments laser collimators, which also have a new thread (\"NV\" in the item number). If you own an \u003cu\u003eolder\u003c\/u\u003e version of the laser (before 2020), please contact us prior to your order! \u003c\/p\u003e\n\u003cp\u003e(Jan Ströher)\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120675061976,"sku":"25253","price":147.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/6a0915f01143ab6b2afe80ff94c737f1_bd623c2a-2c1c-4026-94e8-8d4c2d798d59.jpg?v=1764069400"},{"product_id":"howie-glatter-self-barlow-attachment","title":"Howie Glatter  Self-Barlow attachment","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe self-Barlow attachment is a disc with a white screen on the front and a small \u003cb\u003ebuilt-in Barlow lens\u003c\/b\u003e in the center of the disc. It is then screwed into the Howie Glatter laser collimator (sold separately) aperture and provides a highly compact method for Barlow-collimating. \u003c\/p\u003e\n\u003cp\u003eAs with regular Barlowed laser collimation, the shadow is projected onto the screen at the front of the disc at the focuser end so adjusting the mirror at the back of the scope can be difficult in some cases, especially with reflectors having a long focal length.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e \u003cdiv class=\"important\"\u003e \u003ch2 class=\"hdl-02 mar-0\"\u003eCommento del nostro esperto:\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis is the new version (\"NV\") with coarse thread.\u003c\/b\u003e The attachment fits all Howie Glatter\/Starlight Instruments laser collimators, which also have a new thread (\"NV\" in the item number). If you own an \u003cu\u003eolder\u003c\/u\u003e version of the laser (before 2020), please contact us prior to your order! \u003c\/p\u003e\n\u003cp\u003e(Jan Ströher)\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120675225816,"sku":"61863","price":156.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/e2cec2502859182e49761e65fb1af478.jpg?v=1764069401"},{"product_id":"howie-glatter-adattore-parallizer-t-adapter","title":"Howie Glatter  Adattore Parallizer T-Adapter","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cdiv\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eT-adapter with Howie Glatter's Parallizer Patent alignment feature allows your image train to stay parallel.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120675520728,"sku":"61864","price":164.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/8e63c27aaf0d02dcfedf3b944f973aa5.jpg?v=1764069407"},{"product_id":"howie-glatter-vlb-cap-upgrade","title":"Howie Glatter  VLB Cap Upgrade","description":"\u003cdiv class=\"text-justify\" style=\"BACKGROUND-COLOR: none\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e \u003cdiv class=\"note\"\u003e \u003cp\u003ePurtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003eVariable Laser Brightness battery cap\/switch upgrade for laser collimators\u003c\/p\u003e\n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120675750104,"sku":"61097","price":114.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/b4e552ba018d22f48ac99856aff71e2c.jpg?v=1764069413"},{"product_id":"howie-glatter-barlowed-collimation-plug-1-25","title":"Howie Glatter Barlowed Collimation Plug 1,25\"","description":"\u003cp\u003eDescrizione prodotto: Howie Glatter Blug – L'accessorio per collimare in tutta comodità. Blug sta per „barlowed collimation plug“ – ovvero: Collegamento Barlow-Collimazione. Il Blug è in cuneo a 45° per rendere visibile il segno proiettato all'indietro e i cerchi concentrici del laser su specchio principale e secondario. La lente di Barlow è integrata all'interno del “Blug” e presenta un rivestimento multistrato anti riflesso. Il „Blug“ è disponibile in due taglie, in versione 1.25’’ e 2’’. Cosa fa il „Blug“ Sui Dobson a traliccio l'immagine del cuneo a 45° del Blug è ben riconoscibile sullo specchio principale durante la collimazione. In base all'ombra dei cerchi concentrici e del segno centrale si possono regolare gli specchi sull'asse ottico. In caso di tubo intero bisogna girare il \"Blug\" verso l'esterno di 180° per poter vedere le immagini, e si deve inoltre osservare l'immagine un po' più in avanti durante la collimazione. In questi casi consigliamo il \"tuBlug\".\u003c\/p\u003e","brand":"Howie Glatter","offers":[{"title":"Default Title","offer_id":51120933142744,"sku":"21634","price":135.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/fef6eff2d3991c1f8d0454a15ba06a27.jpg?v=1764074808"}],"url":"https:\/\/www.giordanoastronomia.it\/collections\/astronomia-howie-glatter-accessori.oembed","provider":"Giordano Astronomia","version":"1.0","type":"link"}