{"id":2568,"date":"2014-01-28T19:30:27","date_gmt":"2014-01-28T19:30:27","guid":{"rendered":"https:\/\/www.geoptik.com\/?product=secondary-mirror-holder-334"},"modified":"2021-06-29T07:29:06","modified_gmt":"2021-06-29T07:29:06","slug":"secondary-mirror-holder-334","status":"publish","type":"product","link":"https:\/\/www.geoptik.com\/en\/prodotto\/secondary-mirror-holder-334\/","title":{"rendered":"Secondary mirror holder 334"},"content":{"rendered":"<p>\n\t<span id=\"result_box\" lang=\"en\"><span title=\"Talvolta ci preoccupiamo della qualit\u00e0 della cella del primario senza ricordarsi che il sistema di collimazione e supporto del secondario \u00e8 importante se non il pi\u00f9 importante meccanismo del telescopio.\n\">Sometimes we worry about the quality of the primary cell without remembering that the collimation system and support for secondary is important if not the most important mechanism of the telescope.<\/span><br \/>\n\t<span title=\"Questo spider ha la caratteristica di avere al suo interno una semisfera in bronzo che permette il basculaggio del supporto dove alloggia lo specchio secondario.\n\"><span id=\"result_box\" lang=\"en\"><span class=\"hps\">This<\/span> <span class=\"hps\">spider<\/span> <span class=\"hps\">has<\/span> <span class=\"hps\">the characteristic of having<\/span> <span class=\"hps\">in its interior<\/span> <span class=\"hps\">a hemisphere<\/span> <span class=\"hps\">bronze<\/span> <span class=\"hps\">which allows<\/span> <span class=\"hps\">the<\/span> <span class=\"hps\">tilting<\/span> <span class=\"hps\">of the support<\/span> <span class=\"hps\">where<\/span> <span class=\"hps\">the mirror<\/span> <span class=\"hps\">housing<\/span><span>.<\/span> <\/span><\/span><br \/>\n\t<span title=\"Questo permette allo specchio di potersi muovere su tutti gli assi per la collimazione senza che vi siano tensioni sul supporto che lo regola.\n\">This allows the mirror to be able to move on all axes for collimation without any tension on the support that rule.<\/span><br \/>\n\t<span title=\"Normalmente queste tensioni deformano anche lo specchio secondario ea questo punto conta poco la qualit\u00e0 dello specchio primario.\n\">Normally these tensions also deform the secondary mirror.<\/span><br \/>\n\t<span title=\"La parte centrale \u00e8 un sistema a vite che pu\u00f2 far scorrere il secondario di ben 12 mm per potersi adattare a molteplici telescopi anche autocostruiti.\n\"><span id=\"result_box\" lang=\"en\"><span class=\"hps\">It can be adjusted<\/span> <span class=\"hps\">without any<\/span> <span class=\"hps\">mechanical tool<\/span> <span class=\"hps\">but only through<\/span> <span class=\"hps\">the<\/span> <span class=\"hps\">knobs<\/span><span>.<\/span><br \/>\n\t<span class=\"hps\">The central part is<\/span> <span class=\"hps\">a screw system<\/span> <span class=\"hps\">that can<\/span> <span class=\"hps alt-edited\">slide<\/span> <span class=\"hps\">the secondary mirror<\/span> <span class=\"hps\">of 10<\/span> <span class=\"hps\">mm<\/span> <span class=\"hps\">to<\/span> <span class=\"hps\">adapt to multiple<\/span> <span class=\"hps\">telescopes.<\/span> <\/span><\/span><br \/>\n\t<span title=\"Infatti il sistema non permette il distacco del supporto del secondario.\n\n\"><span id=\"result_box\" lang=\"en\"><span class=\"hps\">One of the<\/span> <span class=\"hps\">important things<\/span> <span class=\"hps\">of<\/span> <span class=\"hps\">this<\/span> <span class=\"hps\">spider<\/span> <span class=\"hps\">is the safety<\/span> <span class=\"hps\">of<\/span> <span class=\"hps\">the<\/span> <span class=\"hps\">work<\/span> <span class=\"hps\">collimation<\/span> <span class=\"hps\">without the fear<\/span> <span class=\"hps\">that the secondary<\/span> <span class=\"hps\">can fall<\/span> <span class=\"hps\">on the primary<\/span><span>.<\/span> <span class=\"hps\">In fact, the<\/span> <span class=\"hps\">system does not allow<\/span> <span class=\"hps\">the separation of<\/span> <span class=\"hps\">the secondary mirror support<\/span><span>.<\/span><\/span><\/span><\/p>\n<p>\t<span title=\"Caratteristiche tecniche:\n\n\">Specifications:<\/span><\/p>\n<p>\t<span title=\"Diametro massimo razze: 334 mm\n\">Maximum diameter of vanes : 334 mm<\/span><br \/>\n\t<span title=\"Diametro supporto : 55 mm\n\">Support Diameter : 55 mm<\/span><br \/>\n\t<span title=\"Spostamento verticale : 11 mm\n\">Vertical displacement : 10 mm<\/span><br \/>\n\t<span title=\"Spessore razze : 1 mmm\">Vanes thickness : 1 mmm<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sometimes we worry about the quality of the primary cell without remembering that the collimation system and support for secondary is important if not the most important mechanism of the telescope. This spider has the characteristic of having in its interior a hemisphere bronze which allows the tilting of the support where the mirror housing. 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