{"product_id":"usato-occasione-come-nuovo-telescopio-rifrattore-askar-fra600-108mm-f-5-6","title":"ASKAR REFRACTOR TELESCOPE 108MM F\/5.6 FRA600","description":"\u003cmeta charset=\"utf-8\"\u003e\n\n\u003ch3 data-mce-fragment=\"1\"\u003e ASKAR FRA600 refractor\u003c\/h3\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Askar presents a new refractor, currently the largest in the quintuplet series, the FRA600 108mm; It is an instrument suitable for astrophotography.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Thanks to the quintuplet spaced in the air, it provides a flattened field up to 66mm diagonally without the addition of further flatteners\/reducers.\u003c\/p\u003e\n\n \u003cp data-mce-fragment=\"1\"\u003eThis new and enormous APO guarantees chromatic correction at the highest levels thanks to a precise and obsessive construction by Sharpstar; the image is not affected by any chromatic aberration and remains very clear and well contrasted.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e The FRA600 refractor is ASKAR's flagship, you will not find a product with the same characteristics at a lower price!\u003c\/p\u003e\n\n\u003ch3\u003e Technical features\u003c\/h3\u003e\n\n\u003cp\u003e \u003cspan lang=\"it\" xml:lang=\"it\"\u003e\u003cimg height=\"406\" width=\"633\" alt=\"\" src=\"https:\/\/www.artesky.it\/img\/cms\/ARTESKY\/ASTROCARBON\/160145581128.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003e \u003cspan lang=\"it\" xml:lang=\"it\"\u003eImproved mechanics\u003c\/span\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e The very precise mechanics guarantee universal application in every astronomical field and extreme satisfaction in use.\u003c\/p\u003e\n\n\u003cp\u003e In addition to the improvement of the optics, the FRA600 also offers improved mechanics that leave nothing to chance, in this way the performance of the apochromat can be fully exploited even in the astrophotographic field.\u003c\/p\u003e\n\n \u003cp\u003eFPL53 air-spaced apochromatic quintuplet with multi-coating on each optical surface, this makes the optical quality very good and no chromatic aberration even at maximum magnification.\u003c\/p\u003e\n\n\u003cp\u003e The objective of this apochromat is composed of a triplet spaced in the air also composed of elements supplied by the famous Ohara (Made in Japan), in fact the central element is composed of Ohara SuperAPO-FPL53 ED glass.\u003c\/p\u003e\n\n\u003cp\u003e The ultra-modernized optical design allows precise optical correction across the entire wavelength range. \u003c\/p\u003e\n\n\u003cp\u003e\u003cimg height=\"466\" width=\"700\" alt=\"\" src=\"https:\/\/www.artesky.it\/img\/cms\/PEG\/fasdfds.png\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e ASKAR quality control\u003c\/h3\u003e\n\n\u003cp\u003e One reason why ASKAR refractors are very famous and of very high quality is their quality control, in fact interferometric and optical tests are conducted on all the apochromats of the house, making the work carried out by these instruments impeccable. \u003c\/p\u003e\n\n\u003cp\u003e\u003cimg height=\"563\" width=\"750\" alt=\"\" src=\"https:\/\/www.artesky.it\/img\/cms\/ARTESKY\/ASTROCARBON\/160145589225.png\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e ASKAR 4\" Rack\u0026amp;Pinion focuser with integrated rotator\u003c\/h3\u003e\n\n \u003cp\u003eThis refractor uses a brand new 4\" ASKAR focuser, with integrated rotator that can be rotated 360° to always keep the camera in the correct position, thanks to the Rack\u0026amp;Pinion system, the focuser can withstand very heavy loads without any torsion problems.\u003c\/p\u003e\n\n\u003cp\u003e The 1:10 gear mechanism offers precise focusing and is ideal for astrophotography. \u003c\/p\u003e\n\n\u003cp\u003e\u003cimg height=\"674\" width=\"700\" alt=\"jhgjh.png\" src=\"https:\/\/www.artesky.it\/img\/cms\/PEG\/jhgjh.png\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg height=\"527\" width=\"700\" alt=\"\" src=\"https:\/\/www.artesky.it\/img\/cms\/ARTESKY\/ASTROCARBON\/160145583194.jpg\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Complete with transport case \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg height=\"428\" width=\"700\" alt=\"\" src=\"https:\/\/www.artesky.it\/img\/cms\/PEG\/ergdfg.png\"\u003e\u003c\/p\u003e","brand":"ASKAR-SHARPSTAR","offers":[{"title":"Default Title","offer_id":53469974430024,"sku":"TLC_ASFRA600_SD","price":2400.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0447\/9503\/5808\/files\/FRA600_00.jpg?v=1773103313","url":"https:\/\/astrofy.it\/en\/products\/usato-occasione-come-nuovo-telescopio-rifrattore-askar-fra600-108mm-f-5-6","provider":"ASTROFY ASTRONOMY STORE","version":"1.0","type":"link"}