\u010co\u010dkov\u00fd dalekohled<\/strong> je nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edm modelem. B\u00fdv\u00e1 ozna\u010dov\u00e1n tak\u00e9 jako refraktor. Objektivem je zde \u010do\u010dka nebo jejich soustava. Typick\u00fdm z\u00e1stupcem t\u00e9to kategorie je Kepler\u016fv dalekohled. Pomoc\u00ed \u010do\u010dkov\u00e9ho dalekohledu m\u016f\u017eete vid\u011bt platnety, M\u011bs\u00edc, souhv\u011bzd\u00ed, galaxie \u010di mlhoviny.<\/p>\n\n\n\n Zrcadlov\u00fd dalekohled<\/strong>, neboli tak\u00e9 reflektor, pat\u0159\u00ed po optick\u00e9 str\u00e1nce mezi ty kvalitn\u011bj\u0161\u00ed. Objektiv tvo\u0159\u00ed zrcadlo. Jeho poloha pak ud\u00e1v\u00e1 sv\u011btelnost. Obraz sledovan\u00e9ho p\u0159edm\u011btu je odr\u00e1\u017een sekund\u00e1rn\u00edm zrcadlem a vy jej pak m\u016f\u017eete vid\u011bt prost\u0159ednictv\u00edm okul\u00e1ru. N\u011bkter\u00e9 typy zrcadlov\u00fdch dalekohled\u016f jsou vhodn\u00e9 tak\u00e9 k fotografov\u00e1n\u00ed.<\/p>\n\n\n\n Katadioptick\u00fd dalekohled<\/strong> p\u0159edstavuje kombinaci v\u00fd\u0161e uveden\u00fdch variant. Ke zv\u011bt\u0161en\u00ed pou\u017e\u00edv\u00e1 jak zrcadlov\u00fd objektiv, tak \u010do\u010dkov\u00e9 desky. Hlavn\u00ed v\u00fdhodou tohoto \u0159e\u0161en\u00ed jsou kompaktn\u00ed rozm\u011bry a v\u00fdkonn\u00e1 optika, z\u00e1sadn\u00ed nev\u00fdhodou je v\u0161ak vy\u0161\u0161\u00ed po\u0159izovac\u00ed cena.<\/p>\n\n\n\n Jak se dalekohledy montuj\u00ed?<\/strong><\/p>\n\n\n\n Existuj\u00ed dva b\u011b\u017en\u00e9 typy podle zp\u016fsobu mont\u00e1\u017ee.<\/p>\n\n\n\n T\u00edm prvn\u00edm je azimut\u00e1ln\u00ed mont\u00e1\u017e<\/strong>. Ta je podobn\u00e1 klasick\u00e9mu foto stativu a je vhodn\u00e1 ke sledov\u00e1n\u00ed M\u011bs\u00edce, Slunce, planet, ale tak\u00e9 pozemsk\u00fdch objekt\u016f.<\/p>\n\n\n\n Dal\u0161\u00ed tradi\u010dn\u00ed variantou je paralaktick\u00e1 mont\u00e1\u017e<\/strong>, kter\u00e1 je u astronomick\u00fdch dalekohled\u016f hojn\u011b vyu\u017e\u00edv\u00e1na. Orientace je ve sm\u011bru pozemsk\u00fdch os, kdy posta\u010d\u00ed dalekohled ot\u00e1\u010det kolem jedn\u00e9 osy a zvolen\u00fd objekt (t\u0159eba m\u011bs\u00edc) uvid\u00edte v\u017edy v dan\u00e9m zorn\u00e9m poli.<\/p>\n\n\n\n Na co se p\u0159i v\u00fdb\u011bru zam\u011b\u0159it?<\/strong><\/p>\n\n\n\n St\u011b\u017eejn\u00edm parametrem je velikost objektivu<\/strong>. Tento parametr ud\u00e1v\u00e1, jak\u00e9 bude rozli\u0161en\u00ed obrazu a jak bude jasn\u00fd. \u010c\u00edm v\u011bt\u0161\u00ed je pr\u016fm\u011br optiky (ud\u00e1v\u00e1no v mm), t\u00edm jsou zobrazovac\u00ed vlastnosti lep\u0161\u00ed.<\/p>\n\n\n\n Neopom\u00edjejte tak\u00e9 kvalitu upev\u0148ovac\u00edho stativu<\/strong>. Ten by m\u011bl b\u00fdt pevn\u00fd a stabiln\u00ed. Pokud jste za\u010d\u00e1te\u010dn\u00edkem, ur\u010dit\u011b se poohl\u00e9dn\u011bte po stativu s v\u00fd\u0161e zm\u00edn\u011bnou azimut\u00e1ln\u00ed mont\u00e1\u017e\u00ed. Takov\u00fd dalekohled je mnohem snadn\u011bji ovladateln\u00fd.<\/p>\n\n\n\n Je t\u00edm nejd\u016fle\u017eit\u011bj\u0161\u00edm parametrem ud\u00e1van\u00e9 zv\u011bt\u0161en\u00ed<\/strong>? Ne tak docela. Ka\u017ed\u00fd dalekohled je schopen nab\u00eddnout mnoho variant \u00farovn\u00ed zv\u011bt\u0161en\u00ed. T\u00edm nejd\u016fle\u017eit\u011bj\u0161\u00edm parametrem je ale ji\u017e zm\u00edn\u011bn\u00fd pr\u016fm\u011br optiky.<\/p>\n\n\n\n Hv\u011bzd\u00e1\u0159sk\u00fd dalekohled um\u00ed vytvo\u0159it obraz s jen omezen\u00fdm po\u010dtem detail\u016f, proto je d\u016fle\u017eit\u00e9 hledat ide\u00e1ln\u00ed zv\u011bt\u0161en\u00ed na to, aby bylo v\u0161e spr\u00e1vn\u011b viditeln\u00e9. Objekt toti\u017e m\u016f\u017ee d\u00edky velk\u00e9mu zv\u011bt\u0161en\u00ed b\u00fdt p\u0159\u00edli\u0161 tmav\u00fd<\/strong>. Maxim\u00e1ln\u00ed pou\u017eiteln\u00e9 zv\u011bt\u0161en\u00ed vypo\u010d\u00edt\u00e1te snadno. Vyn\u00e1sobte pr\u016fm\u011br objektivu dv\u011bma<\/strong>. Pokud tedy m\u00e1 dalekohled pr\u016fm\u011br objektivu 150 mm, nesna\u017ete se p\u0159i sledov\u00e1n\u00ed objekt\u016f o zv\u011bt\u0161en\u00ed, kter\u00e9 p\u0159esahuje 300-n\u00e1sobek.<\/p>\n\n\n\n V neposledn\u00ed \u0159ad\u011b je d\u016fle\u017eit\u00e9 zm\u00ednit po\u0159izovac\u00ed cenu<\/strong>. Z\u00e1kladn\u00ed modely hv\u011bzd\u00e1\u0159sk\u00fdch dalekohled\u016f najdete v na\u0161\u00ed nab\u00eddce ji\u017e pod hranic\u00ed tis\u00edcikoruny<\/strong>. Takov\u00e9 \u0159e\u0161en\u00ed je ide\u00e1ln\u00ed pro vstup do sv\u011bta „hv\u011bzd\u00e1\u0159\u016f“, p\u0159\u00edpadn\u011b pro d\u011bti. Zlatou st\u0159edn\u00ed cestu<\/strong> s pevn\u00fdm stativem a slu\u0161n\u011bj\u0161\u00ed optikou hledejte okolo t\u0159ech tis\u00edc korun<\/strong>. \u0160pi\u010dkov\u00e9 p\u0159\u00edstroje pak vyjdou na des\u00edtky tis\u00edc, ale nen\u00ed probl\u00e9m vlastnit dalekohled t\u0159eba i za milion.<\/p>\n\n\n\n <\/p>\n\n\n\n St\u00e1t se hv\u011bzd\u00e1\u0159em, to byl d\u011btsk\u00fd sen mnoha z n\u00e1s. Od prad\u00e1vna lidi p\u0159itahovala z\u00e1\u0159\u00edc\u00ed obloha, ze kter\u00e9 se sna\u017eili vy\u010d\u00edst symboly a tou\u017eili poznat hv\u011bzdy zbl\u00edzka. S hv\u011bzd\u00e1\u0159sk\u00fdm dalekohledem si tento sen m\u016f\u017eete snadno splnit i u v\u00e1s doma. V n\u00e1sleduj\u00edc\u00edch \u0159\u00e1dc\u00edch si pov\u00edme, na co se p\u0159i v\u00fdb\u011bru toho prav\u00e9ho modelu zam\u011b\u0159it. Jak\u00e9 typy dalekohled\u016f m\u00e1me? […]<\/p>\n","protected":false},"author":2,"featured_media":1652,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-1651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pruvodce-nakupem","et-has-post-format-content","et_post_format-et-post-format-standard"],"_links":{"self":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts\/1651"}],"collection":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/comments?post=1651"}],"version-history":[{"count":7,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts\/1651\/revisions"}],"predecessor-version":[{"id":1662,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/posts\/1651\/revisions\/1662"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/media\/1652"}],"wp:attachment":[{"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/media?parent=1651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/categories?post=1651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.exasoft.cz\/index.php\/wp-json\/wp\/v2\/tags?post=1651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Levenhuk](\"https:\/\/www.exasoft.cz\/levenhuk-labzz-t3-telescope_i171385.jpg\")
<\/figure><\/div>\n\n\n\n![\"Levenhuk](\"https:\/\/www.exasoft.cz\/levenhuk-skyline-base-60t-teleskop_i225322.jpg\")
<\/figure><\/div>\n\n\n\n![\"Teleskop](\"https:\/\/www.exasoft.cz\/teleskop-levenhuk-skymatic-105-gt-mak-goto_i145497.jpg\")
<\/figure><\/div>\n\n\n\n![\"Levenhuk](\"https:\/\/www.exasoft.cz\/levenhuk-skyline-travel-80-telescope_i242526.jpg\")
<\/figure><\/div>\n\n\n\nZobrazit nab\u00eddku hv\u011bzd\u00e1\u0159sk\u00fdch dalekohled\u016f >><\/a><\/strong><\/h2>\n","protected":false},"excerpt":{"rendered":"