{"product_id":"david-astro-premium-linear-erect-binoviewer","title":"David Astro Premium Linear Erect Binoviewer","description":"\u003cul\u003e\n\u003cli\u003eNo backfocus requirement, it can be used with any telescopes, newtonians included, without the need for barlow or extender lenses.\u003c\/li\u003e\n\u003cli\u003eSelf-Centering Twist-lock collars\u003c\/li\u003e\n\u003cli\u003eSliding linear housing to adjust IPD\u003c\/li\u003e\n\u003cli\u003eBuilt-in image erecting system\u003c\/li\u003e\n\u003cli\u003eIncluded case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cdiv class=\"warning\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/warning-logo.svg?v=1714663206\" alt=\"Disclaimer\" width=\"25px\"\u003e\n\u003cp\u003e If you plan to use a barlow with a linear binoviewer, it is crucial to choose a telecentric barlow, such as the Explore Scientific Focal Extenders or TeleVue PowerMates. Regular barlows are not suitable, as they produce divergent light paths, resulting in mismatched images between the eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"David Astro","offers":[{"title":"Default Title","offer_id":49304655593757,"sku":"DAV-BINO","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/David-Astro-Premium-Linear-Binoviewers.jpg?v=1729966240","url":"https:\/\/davidastro.com\/fr-us\/products\/david-astro-premium-linear-erect-binoviewer","provider":"David Astro","version":"1.0","type":"link"}