{"id":11817,"date":"2022-03-31T12:17:28","date_gmt":"2022-03-31T08:17:28","guid":{"rendered":"https:\/\/astronomicalsolutions.com\/?post_type=product&#038;p=11817"},"modified":"2023-08-24T11:51:04","modified_gmt":"2023-08-24T07:51:04","slug":"fluorostar-91","status":"publish","type":"product","link":"https:\/\/astronomicalsolutions.com\/staging\/product\/fluorostar-91\/","title":{"rendered":"Fluorostar 91"},"content":{"rendered":"<h3>The William Optics Fluorostar 91<\/h3>\n<p>&nbsp;<\/p>\n<p>The William Optics <strong>Fluorostar 91<\/strong> is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize <a class=\"wpil_keyword_link\" title=\"telescope\" href=\"https:\/\/astronomicalsolutions.com\/product-category\/telescopes\/\" data-wpil-keyword-link=\"linked\">telescope<\/a>. The three-element optical design features a 91mm aperture using FPL-53 glass. The STM-coatings and superb quality provide excellent optical performance and unmatched value.<\/p>\n<p><strong>Features:<\/strong><\/p>\n<ul>\n<li><strong>Rotolock<\/strong>: The Rotolock 2 inch adapter provides for a solid and efficient connection for a WO 2 inch diagonal and other accessories.<\/li>\n<li><strong>Bahtinov Mask<\/strong>: The retractable dew shield features a removable lens cover, with our patented Bahtinov Mask revealed by unscrewing the face plate. The clear design allows for brighter star patterns and precise focusing for astrophotography.<\/li>\n<li><strong>Versatile Saddle Bar:<\/strong>\u00a0The Saddle Bar Handle offers a solid handle with a built in dovetail chamber for use with the WO Uniguide scopes or other Vixen style guiding\/finder scopes.<\/li>\n<li><strong>New Focuser Knob<\/strong>: A larger fit designed for better ergonomics.<\/li>\n<li><strong>Field Rotator<\/strong>: The super smooth field rotator includes markings for every degree and a solid thumbscrew position lock.<\/li>\n<li><strong>Soft Carry Case:<\/strong>\u00a0The standard package comes with a soft carry case.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-11822 size-full\" src=\"https:\/\/astronomicalsolutions.com\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_.jpg\" alt=\"\" width=\"1600\" height=\"1763\" srcset=\"https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_.jpg 1600w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-272x300.jpg 272w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-929x1024.jpg 929w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-768x846.jpg 768w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-1394x1536.jpg 1394w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-109x120.jpg 109w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-54x60.jpg 54w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/How_to_connect_the_flattener_FLT91_-600x661.jpg 600w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-11823 size-full\" src=\"https:\/\/astronomicalsolutions.com\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report.jpg\" alt=\"\" width=\"1753\" height=\"1240\" srcset=\"https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report.jpg 1753w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-300x212.jpg 300w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-1024x724.jpg 1024w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-768x543.jpg 768w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-1536x1087.jpg 1536w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-120x85.jpg 120w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-60x42.jpg 60w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Zygo_Test_Report-600x424.jpg 600w\" sizes=\"(max-width: 1753px) 100vw, 1753px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-11824 size-full\" src=\"https:\/\/astronomicalsolutions.com\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48.jpg\" alt=\"\" width=\"1600\" height=\"800\" srcset=\"https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48.jpg 1600w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-300x150.jpg 300w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-1024x512.jpg 1024w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-768x384.jpg 768w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-1536x768.jpg 1536w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-120x60.jpg 120w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-60x30.jpg 60w, https:\/\/astronomicalsolutions.com\/staging\/wp-content\/uploads\/2022\/03\/FLT91_Flat68III_AD-FLAT-M80-45-M48-600x300.jpg 600w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The William Optics <strong>Fluorostar 91<\/strong> is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize <a class=\"wpil_keyword_link\" title=\"telescope\" href=\"https:\/\/astronomicalsolutions.com\/product-category\/telescopes\/\" data-wpil-keyword-link=\"linked\">telescope<\/a>. The three-element optical design features a 91mm aperture using FPL-53 glass. The STM-coatings and superb quality provide excellent optical performance and unmatched value.<\/p>\n","protected":false},"featured_media":11818,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_cat":[27,532],"product_tag":[],"class_list":{"0":"post-11817","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-telescopes","7":"product_cat-refractors","8":"desktop-align-center","9":"tablet-align-left","10":"mobile-align-left","11":"ast-product-gallery-layout-horizontal-slider","12":"ast-product-tabs-layout-vertical","13":"ast-qv-on-image","15":"first","16":"onbackorder","17":"taxable","18":"shipping-taxable","19":"purchasable","20":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product\/11817"}],"collection":[{"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/comments?post=11817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/media\/11818"}],"wp:attachment":[{"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/media?parent=11817"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product_cat?post=11817"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product_tag?post=11817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}