{"product_id":"vaonis-dual-band-filter-for-vespera","title":"Vaonis Dual Band Filter for Vespera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDual-band filter isolates Hydrogen-alpha (656.3nm) and Oxygen-III (500.7nm) wavelengths\u003c\/li\u003e\n\u003cli\u003eNarrow 12nm bandpass dramatically increases contrast on emission nebulae\u003c\/li\u003e\n\u003cli\u003eIntegrated electronic chip enables automatic detection by the Vespera telescope\u003c\/li\u003e\n\u003cli\u003eWeighs only 17 g (0.6 oz) for seamless integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eVaonis Dual Band Filter for Vespera\u003c\/h2\u003e\n\u003cp\u003eThe Vaonis Dual Band Filter for Vespera is a dual-narrowband interference filter engineered to isolate the two most prominent nebula emission lines at a 12nm bandpass. By selectively passing light from Hydrogen-alpha at 656.3nm and Oxygen-III at 500.7nm, this 17 g filter dramatically increases image contrast, even from light-polluted urban skies. An integrated electronic micro-card allows your Vespera to automatically detect the filter and optimize its imaging parameters for breathtaking results on emission targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIsolate H-alpha \u0026amp; O-III with a 12nm Bandpass\u003c\/h3\u003e\n\u003cp\u003eThis filter is your Vespera's key to unlocking the faint, colorful structures hidden within nebulae. The tight 12nm bandpass at both the 656.3nm (H-alpha) and 500.7nm (O-III) wavelengths aggressively rejects skyglow from city lights and natural sources, darkening the background and making faint details pop.\u003c\/p\u003e\n\u003cp\u003eThis targeted approach is exceptionally effective for emission targets where these gases are dominant. You'll see significantly improved detail and color separation on the Orion Nebula (M42), planetary nebulae like the Dumbbell Nebula (M27), and vast supernova remnants such as the Veil Nebula.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSmart Integration: Automatic Vespera Detection and Calibration\u003c\/h3\u003e\n\u003cp\u003eUnlike generic filters, the Vaonis Dual Band Filter is designed to work intelligently with your Vespera. The filter's housing contains an electronic micro-card that communicates directly with the telescope, enabling instant, automatic detection the moment you install it.\u003c\/p\u003e\n\u003cp\u003eOnce detected, Vespera adapts its observation and image processing algorithms specifically for the filter's transmission properties. This seamless integration ensures you get the best possible data without manual adjustments, preserving the simple, automated workflow that defines the Vespera experience. The optical design was engineered to work at full aperture, ensuring no negative impact on your instrument's light-gathering power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of the Vaonis Dual Band Filter for Vespera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary benefit is a dramatic increase in contrast when imaging nebulae. By isolating the key \u003cstrong\u003eHydrogen-alpha (656.3nm)\u003c\/strong\u003e and \u003cstrong\u003eOxygen-III (500.7nm)\u003c\/strong\u003e wavelengths with a narrow \u003cstrong\u003e12nm bandpass\u003c\/strong\u003e, the filter darkens the sky background, blocks light pollution, and reveals finer details and richer colors in emission, planetary, and dark nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Vaonis Dual Band Filter work with the Vespera telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt integrates seamlessly. The filter contains an \u003cstrong\u003eelectronic micro-card\u003c\/strong\u003e that allows the Vespera to automatically detect its presence. Once detected, the Vespera's software intelligently adjusts its exposure settings and image processing parameters to optimize the final image for the filter's specific characteristics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Vaonis Dual Band Filter improve images of galaxies like Andromeda (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter is not recommended for galaxies. Galaxies are broadband targets, meaning they emit light across the entire visible spectrum. A narrowband filter like this one will block most of that light, resulting in a dim, color-poor image. For galaxies and star clusters, it is best to observe without a filter to capture their full, natural light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Vaonis Dual Band Filter effective for imaging the Orion Nebula (M42) from a city?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The Orion Nebula (M42) is a prime example of an emission nebula rich in both Hydrogen-alpha and Oxygen-III. The 12nm bandpass of this filter is specifically designed to cut through city light pollution and isolate the nebula's light, revealing faint outer structures that would otherwise be washed out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 12nm bandpass on the Vaonis Dual Band Filter mean?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e12nm bandpass\u003c\/strong\u003e refers to the width of the \"window\" of light the filter allows to pass through around its target wavelengths. A narrower bandpass is more effective at blocking unwanted light, such as streetlights and natural skyglow. This selectivity is what creates the high-contrast views of nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eShould I use the Vaonis Dual Band Filter for star clusters like the Hercules Cluster (M13)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile primarily for nebulae, the filter can help produce sharper stars in globular clusters like the Hercules Cluster (M13). By cutting out bloated, scattered light from the sky background, stars can appear as tighter points. However, it will also reduce the overall brightness and alter the natural star colors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e17 g (0.6 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Weight\u003c\/td\u003e\n\u003ctd\u003e60 g (2.12 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eWidth: 7.80 cm (3.07 in), Thickness: 0.6 cm (0.24 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eGlass, Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack (exterior)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual Band Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0831\/9408\/5704\/files\/Change-filter-EN.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/vaonis-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eVaonis 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vaonis","offers":[{"title":"Default Title","offer_id":67679999295773,"sku":"VAO-AC022","price":559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Dual_Band_-_AC022_-_VAONIS.jpg?v=1791228962","url":"https:\/\/davidastro.com\/products\/vaonis-dual-band-filter-for-vespera","provider":"David Astro","version":"1.0","type":"link"}