Visit Sharpstar \/ Askar 71F Flat-Field APO<\/strong> is an ultra-versatile astronomical instrument, designed to offer high-level visual and photographic performances<\/strong> in a compact, easy-to-carry tube. Thanks to its advanced optical design, it delivers perfectly corrected fields of view up to full-frame format (full frame<\/em>) without the need for an external field corrector.<\/p>\n The 71F's lens adopts a quadruplet air-spaced APO design<\/strong> including an ED glass element, The 71F comes with a complete set of accessories, making it easy to unpack and put into operation:<\/p>\n These accessories enable the 71F to be used immediately for visual observation, astrophotography or terrestrial photography.<\/p>\n The 71F's construction emphasizes portability and maneuverability:<\/p>\n The 71F's excellent mechanical ergonomics, combined with its optical quality, make it a relevant choice even for demanding users.<\/p>\n Visit Sharpstar \/ Askar 71F<\/strong> is the ideal solution for enthusiasts who want to exploring the deep sky<\/strong>, Askar 71F Flat-Field APO \u2013 Quadruplet 71 mm Astrographe Le Sharpstar \/ Askar 71F Flat-Field APO est un instrument d\u2019astronomie ultra-polyvalent, con\u00e7u pour offrir des performances visuelles et photographiques de haut niveau dans un tube compact et facile \u00e0 transporter. Gr\u00e2ce \u00e0 son design optique avanc\u00e9, il permet d\u2019obtenir un champ parfaitement corrig\u00e9 jusqu\u2019au format […]<\/p>\n","protected":false},"featured_media":2984,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[382],"product_cat":[384,755],"product_tag":[],"class_list":{"0":"post-2985","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-askar","7":"product_cat-lunettes_refracteurs","8":"product_cat-lunettes-apochromatiques","10":"first","11":"on_supplier","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/2985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/comments?post=2985"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/2984"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=2985"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=2985"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=2985"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=2985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nApochromatic quadruplet optics - flat fields and precise colors<\/h3>\n
\nwhich effectively reduces chromatic aberrations while maintaining high resolution and excellent contrast.
\nThe system produces a 44 mm corrected image circle<\/strong>, which allows direct use of APS-C sensors
\nand full-format without additional flattener.<\/p>\n\n
\nAccessories included - ready to observe and image<\/h3>\n
\n
\nMechanical design with use in mind<\/h3>\n
\n
\nTechnical specifications<\/h3>\n
\n\n
\n Opening<\/strong><\/td>\n 71 mm<\/td>\n<\/tr>\n \n Focal length<\/strong><\/td>\n 490 mm<\/td>\n<\/tr>\n \n Focus report<\/strong><\/td>\n f\/6.9<\/td>\n<\/tr>\n \n Objective<\/strong><\/td>\n Quadruplet air-spaced APO (1\u00d7 ED)<\/td>\n<\/tr>\n \n Corrected image circle<\/strong><\/td>\n 44 mm<\/td>\n<\/tr>\n \n Focuser<\/strong><\/td>\n 2.4\u2033 R&P dual speed with 360\u00b0 rotator<\/td>\n<\/tr>\n \n Accessories included<\/strong><\/td>\n 8 mm + 20 mm eyepieces, 45\u00b0 prism, photo adapters<\/td>\n<\/tr>\n \n Net weight<\/strong><\/td>\n ~2.5 kg<\/td>\n<\/tr>\n \n Gross weight<\/strong><\/td>\n ~3.0 kg (with clamps and plate)<\/td>\n<\/tr>\n \n Rear connection<\/strong><\/td>\n M64\/M54\/M48 adaptive<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nWhy choose Sharpstar \/ Askar 71F Flat-Field APO?<\/h3>\n
\n
\ncapture large or distant images, or simply enjoy a complete APO telescope that's ready to go.<\/p>","protected":false},"excerpt":{"rendered":"