{"id":13451,"date":"2026-02-07T18:27:36","date_gmt":"2026-02-07T17:27:36","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&p=13451"},"modified":"2026-02-07T18:27:48","modified_gmt":"2026-02-07T17:27:48","slug":"reducteur-correcteur-sky-watcher-077x-pour-esprit-150-ed-et-edx","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/reducteur-correcteur-sky-watcher-077x-pour-esprit-150-ed-et-edx\/","title":{"rendered":"Sky-Watcher 0.77\u00d7 Reducer \/ Corrector for Esprit 150 ED and EDX"},"content":{"rendered":"

Sky-Watcher 0.77\u00d7 Reducer \/ Corrector for Esprit 150 ED and EDX<\/h2>\n

Designed specifically for Sky-Watcher Esprit 150 ED and EDX apochromatic spotting scopes<\/strong>, this focal reducer \/ field corrector 0.77\u00d7<\/strong> is a top-of-the-range accessory for demanding astrophotographers who want to optimize field of view, optical speed and star quality right up to the edges of the sensor.<\/p>\n

Thanks to its three fully multi-treated lenses<\/strong>, The Esprit 150 ED is a high-performance photographic instrument, thanks to its precise correction of field curvature while reducing focal length.<\/p>\n

\n

Immediate gains in speed and field<\/h3>\n

With a reduction factor of 0,77\u00d7<\/strong>, this corrector lowers the telescope's focal ratio Esprit 150 ED at f\/5.4<\/strong>, enabling :<\/p>\n

    \n
  • From significantly reduced installation times<\/strong><\/li>\n
  • A broader scope<\/strong>, ideal for extended nebulae and large objects<\/li>\n
  • Excellent control of star shape over the entire corrected field<\/li>\n<\/ul>\n

    The corrected image circle of 36 mm<\/strong> guarantees even illumination and full optical correction up to format APS-C<\/strong>, while remaining full-format compatible<\/strong> with top-level results.<\/p>\n

    \n

    Optimum compatibility and mechanical integration<\/h3>\n

    The corrector comes with a M48 adapter<\/strong> offering a standard 55 mm backfocus<\/strong>, perfectly compatible with Sky-Watcher reflex rings:<\/p>\n

      \n
    • Canon EOS M48<\/li>\n
    • Nikon M48<\/li>\n<\/ul>\n

      After removing the adapter, a internal thread M71x1<\/strong> becomes accessible, allowing customized configurations with a maximum backfocus of 75 mm<\/strong>, ideal for advanced setups
      \n(cooled cameras, filter wheels, optical drawers).<\/p>\n

      The corrector also accepts filters 2\u2033<\/strong>, This makes it easy to integrate into a modern imaging chain without any mechanical compromises.<\/p>\n

      \n

      Technical specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
      Type<\/strong><\/td>\nFocal reducer \/ field corrector<\/td>\n<\/tr>\n
      Reduction factor<\/strong><\/td>\n0,77\u00d7<\/td>\n<\/tr>\n
      Resulting focal ratio<\/strong><\/td>\nf\/5.4 (with Esprit 150 ED)<\/td>\n<\/tr>\n
      Optical design<\/strong><\/td>\n3 lenses, fully multi-treated<\/td>\n<\/tr>\n
      Corrected image circle<\/strong><\/td>\n36 mm<\/td>\n<\/tr>\n
      Sensor compatibility<\/strong><\/td>\nAPS-C and full-frame<\/td>\n<\/tr>\n
      Backfocus<\/strong><\/td>\n55 mm (with adapter) \/ 75 mm (without adapter)<\/td>\n<\/tr>\n
      Threads<\/strong><\/td>\nM48 \u00d7 0.75 (adapter) \/ M71 \u00d7 1 (internal)<\/td>\n<\/tr>\n
      Filter compatibility<\/strong><\/td>\n2\u2033 filters<\/td>\n<\/tr>\n
      Weight<\/strong><\/td>\n910 g (with caps)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      In a nutshell<\/h3>\n

      Visit Sky-Watcher 0.77\u00d7 reducer\/corrector for Esprit 150 ED<\/strong> is the essential accessory for fully exploiting the photographic potential of this iconic telescope:<\/p>\n

        \n
      • Perfectly corrected field<\/li>\n
      • Net gain in optical speed<\/li>\n
      • Extended compatibility with modern photo configurations<\/li>\n
      • Clean, rigid mechanical integration<\/li>\n<\/ul>\n

        An obvious choice for astrophotographers seeking performance, reliability and optical coherence <\/strong>with Spirit 150 ED.<\/p>","protected":false},"excerpt":{"rendered":"

        R\u00e9ducteur \/ Correcteur Sky-Watcher 0,77\u00d7 pour Esprit 150 ED et EDX Con\u00e7u sp\u00e9cifiquement pour la lunette apochromatique Sky-Watcher Esprit 150 ED et EDX, ce r\u00e9ducteur de focale \/ correcteur de champ 0,77\u00d7 est un accessoire haut de gamme destin\u00e9 aux astrophotographes exigeants souhaitant optimiser \u00e0 la fois le champ, la rapidit\u00e9 optique et la qualit\u00e9 […]<\/p>\n","protected":false},"featured_media":13452,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[822],"product_cat":[650],"product_tag":[],"class_list":{"0":"post-13451","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sky-watcher","7":"product_cat-rducteurs-correcteurs-ap","9":"first","10":"on_supplier","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/13451","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=13451"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/13452"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=13451"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=13451"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=13451"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=13451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}