20mm Eyepiece<\/strong> unit has a focal length of 20mm.<\/p>\nSuper Wide FOV<\/strong>
\n\u2022 Outstanding super-wide field of view: 72 deg. F.O.V.
\n\u2022 Fully Multicoated lenses for excellent transmittance.
\n\u2022 Reduced chromatic aberration.
\n\u2022 Improved contrast compared to similar EPs.<\/p>\nGreat Contrast<\/strong>
\n\u2022 Fully internally blackened (lens edges and internal spacers).
\n\u2022 No flaring or ghosting on high-contrast objects.
\n\u2022 Parfocal.<\/p>\nLight and Easy<\/strong>
\n\u2022 Soft rubber eyecup.
\n\u2022 Long eye-relief: 12mm.
\n\u2022 No internal reflections, kidney beaning or other distracting distortions.<\/p>\nTerrific Fit and Finish<\/strong>
\n\u2022 High-resistance anodized black barrel.
\n\u2022 Smooth design for no hook up in your focuser.
\n\u2022 Threaded for filters\u2019 usage.<\/p>\n","protected":false},"excerpt":{"rendered":"Introducing SWAN (distributed by William Optics<\/a>) eyepieces, for your most demanding visual observations. Features an internally baffled barrel, all lenses’ edges and internal spacers blackened, and fully multicoated. Unforgettable views of star clusters and the moon at 72 deg. F.O.V.\u00a0 A premium eyepiece at a fraction of the cost it\u2019s worth. This unit has a focal length of 20mm.<\/p>\n","protected":false},"featured_media":5442,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","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":[44,34],"product_tag":[],"class_list":{"0":"post-5439","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-accessories","7":"product_cat-eyepieces","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":"outofstock","17":"taxable","18":"shipping-taxable","19":"purchasable","20":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product\/5439"}],"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=5439"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/media\/5442"}],"wp:attachment":[{"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/media?parent=5439"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product_cat?post=5439"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/astronomicalsolutions.com\/staging\/wp-json\/wp\/v2\/product_tag?post=5439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}