{"product_id":"baader-universal-alan-gee-ii-telecompressor-uag-ii-2454405","title":"Baader Universal Alan Gee II - Telecompressor (UAG II) (2454405)","description":"\u003ch2\u003eBaader Universal Alan Gee II - Telecompressor (UAG II)\u003c\/h2\u003e\n\u003cdiv class=\"station-tabs-content is-active\" id=\"st-description_0-0\" aria-labelledby=\"st-link-description_0-0\" role=\"tabpanel\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"station-tabs-content-inner\"\u003e\n\u003cul\u003e\n\u003cli\u003eSchmidt-Cassegrain telecompressor\/reducer and flatfield-corrector\u003c\/li\u003e\n\u003cli\u003eFor Schmidt-Cassegrain-telescopes with 2\" eyepiece clamp or for direct connection to SC-thread through Baader T Adapter (BTA) for SC and MAK Telescopes (T-2 part #21) (#2408160) or Baader SC \/ HD Ultra Short T-Adaptor, 7mm optical length (#2958500B)\u003c\/li\u003e\n\u003cli\u003eVariable reducing factor 5,9 to 3,5\u003c\/li\u003e\n\u003cli\u003ePreconfigurated for use with T-2-thread of the Maxbright® II binocular and for Mark V Großfeld (Giant)-Binocular (#2456410) with T-2 quick changer\u003c\/li\u003e\n\u003cli\u003eCan be used with T-2-eyepiece-clamps\u003c\/li\u003e\n\u003cli\u003eBaader T-2 \/ 7.5 mm Extension Tube (T-2 part #25C) (#1508155) is included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUniversal Alan Gee II - Telecompressor (UAG II)\u003c\/h4\u003e\n\u003ch5\u003eThe Universal Alan Gee II is the only telecompressor\/reducer on the market which works fine with a binoviewer.\u003c\/h5\u003e\n\u003cp\u003eThe standard Alan Gee Telecompressor Mark II was designed by Roland Christen (the producer of AstroPhysics apochromatic telescopes) as a reducer for Schmidt-Cassegrains which also delivers a flat field. The Universal Alan Gee II (UAG II) puts the optical elements of the Alan Gee in a regular 2\" nose piece with an additional T-2-thread on the telescope side. The UAG II can be used for visual observations with Celestron EdgeHD telescopes. too.\u003c\/p\u003e\n\u003cp\u003eThe combination: Mark V Giant Bino \/ Baader 35mm ED-eyepieces \/ Universal Alan Gee II (UAG II) \/ Baader T2 Prism delivers a field of view of ca. 1,2° when used with a C8 – that's 72 minutes of arc, as much as a 2\" 40mm eyepiece will show you! So, instead of waiting for an (unaffordable) 2\" binoviewer, you can achieve the same effect on most SC-telescopes with the UAG II – be it monocular with a star diagonal or binocular with a binoviewer!\u003c\/p\u003e\n\u003cp\u003ePlease note that the reducing factor of the UAG II only depends on the distance between UAG II and eyepiece. It is designed for a working distance of 121mm then you get a reduction factor of 0.59. But if you focus to a focus plane farther away than the designed back focus of a Schmidt-Cassegrains or EdgeHD telescope, the focal length of the telescope itself becomes longer, and you get a different reducing factor than that which is calculated only from the distance between reducer ad eyepiece. The result depends on the individual adaptation and the telescope, we can't give a universal value for the reducing factor – but you will clearly notice the much larger field of view.\u003c\/p\u003e\n\u003ch4\u003eUse with a binoviewer\u003c\/h4\u003e\n\u003cp\u003eThe UAG II can be attached directly to all Baader T-2 star diagonals with the included Baader T-2 \/ 7.5 mm Extension Tube (T-2 part #25C) (#1508155, € 17,-) . Although a binoviewer could mechanically also be attached to a 2\" star diagonal, we recommend for a Schmidt-Cassegrain the short adaptation with a T-2-prism and the Baader T Adapter (BTA) for SC and MAK Telescopes (T-2 part #21) (#2408160, € 56,-) , so that the ideal focus point (and the focal length of the telescope in front of the UAG II) don't change too much from the original design. A binoviewer with T-2 thread like the MaxBright® II or the Mark V Großfeld (Giant)-Binocular (#2456410, € 1275,-) can be attached directly to the UAG II. The distance to the eyepieces is then about 120 mm.\u003c\/p\u003e\n\u003ch4\u003eMonocular use with a star diagonal\u003c\/h4\u003e\n\u003cp\u003eThe UAG II can also be installed in front of a T-2 star diagonal. In addition, you need a T-2 eyepiece clamp and – depending on the desired distance\/reduction factor – a T-2-extension. The UAG should be as close to the telescope as possible, so we recommend the optional Baader T Adapter (BTA) for SC and MAK Telescopes (T-2 part #21) (#2408160, € 56,-) to attach it to the telescope's SC-thread. If your telescope is equipped with a 2\" ClickLock eyepiece clamp (#2956220 for C8\/C925 or #2956233 for C11 and C14), you can also use this with the 2\" nose piece of the UAG.\u003c\/p\u003e\n\u003cp\u003eBaader 2\" star diagonals with removable 2\" nosepiece, you can also use the Baader Expansion Ring 2\"a\/T-2i with 1mm optical path length (T-2 part #28) (#2958242, € 23,-) to install the UAG in front of the star diagonal. It replaces the 2\" nose piece. The distance between eyepiece and reducer is then equal to the optical length of the star diagonal. To place the UAG closer to the telescope, you can use the optional Baader T Adapter (BTA) for SC and MAK Telescopes (T-2 part #21) (#2408160)\u003c\/p\u003e\n\u003ch4\u003ePhotographic Use\u003c\/h4\u003e\n\u003cp\u003eThe UAG II may also be used with a camera (up to APS-C sensor size); the distance between UAG II and camera should be 121mm. The Alan Gee II was originally designed to be placed inside of the baffle of a Schmidt-Cassegrain, so for photography we still recommend the classic Alan Gee Telecompressor Mark II (T-2 part #20) (#2454400, € 245,-) in a configuration as described in its manual.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"data-table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"first odd\"\u003e\n\u003cth class=\"label\"\u003eEAN CODE\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003e4047825044303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth class=\"label\"\u003eMANUFACTURER\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eBaader Planetarium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003cth class=\"label\"\u003eSKU (#)\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003e2454405\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth class=\"label\"\u003eOPTICAL LENGTH (MM)\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003e\u0026lt; 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003cth class=\"label\"\u003eAR-COATING\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eMulti-Coated (MC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth class=\"label\"\u003eUSAGE\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eMaxBright II Binocular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003cth class=\"label\"\u003eOPTICAL DESIGN\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eField Flattener, Telecompressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"last even\"\u003e\n\u003cth class=\"label\"\u003eCOMPATIBLE TELESCOPES\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eSchmidt-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eBaader Universal Alan Gee II\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarranty \u0026amp; Manual\u003c\/h3\u003e\n\u003cp\u003eBaader 2-year Warranty\u003c\/p\u003e\n\u003cp\u003eUniversal Alan Gee II (UAG II\u003cspan\u003e)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":48958634426542,"sku":"dbg1787937693053","price":163.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/2727\/3646\/files\/baader-universal-alan-gee-ii---telecompressor-uag-ii-2454405_1.png?v=1787937703","url":"https:\/\/www.pleasantparcel.shop\/products\/baader-universal-alan-gee-ii-telecompressor-uag-ii-2454405","provider":"My Store","version":"1.0","type":"link"}