{"product_id":"daystar-combo-accessory-kit","title":"Daystar Combo Combo Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eModular Combo Quark accessory system — choose the kit that fits your setup\u003c\/li\u003e\n\u003cli\u003eTwo telecentric barlows (2.8X and 4.3X) with 13 internal baffles each\u003c\/li\u003e\n\u003cli\u003eTwo imaging focal reducers (0.66X and 0.3X) with built-in tilt adjustment\u003c\/li\u003e\n\u003cli\u003eDedicated visual focal reducer for full-disk outreach views\u003c\/li\u003e\n\u003cli\u003eFull Kit option bundles in the Chromosphere Combo Quark itself\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\u003eDaystar Combo Combo Accessory System\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Combo Combo system is a modular set of telecentric barlows and focal reducers built around the Combo Quark, letting experienced solar observers dial in exactly the magnification and field of view they need. Pick the Barlow Set or Reducer Set of 3 for a single upgrade, the Accessory Kit for the complete set of optics, or the Full Kit to add a Chromosphere Combo Quark as well.\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\u003eThe Chromosphere Combo Quark: Solar Surface Detail\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded only in the Full Kit.\u003c\/strong\u003e The Daystar Combo Quark, Chromosphere model, is a Quark qualified to show surface (chromosphere) detail. This all-in-one Hydrogen-alpha filter is made for SCTs, Maks, or refractors of F\/15 to F\/30: insert it in your diagonal, add an eyepiece and view. SCT and Mak users need an off-axis Energy Rejection Filter specific to their telescope, sold separately.\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\u003eDual Telecentric Barlows: 2.8X and 4.3X for Detail\u003c\/h3\u003e\n\u003cp\u003eTo achieve the high focal ratios required for a Quark, this bundle includes two truly telecentric barlows. The 2.8X barlow is ideal for achieving a full-disk view on many telescope setups, while the 4.3X pushes the magnification for high-resolution studies of sunspots, filaments, and plage. To ensure maximum image integrity, each barlow contains 13 internal light baffles that virtually eliminate internal reflections and boost contrast.\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\u003e0.66X \u0026amp; 0.3X Imaging Reducers with Interference Control\u003c\/h3\u003e\n\u003cp\u003eFor imagers, the Combo Combo bundle provides two T-mount focal reducers to adapt the image scale to your camera sensor. The 0.66X and 0.3X reducers allow you to fit more of the solar disk onto smaller sensors and speed up your effective focal ratio for shorter exposures. Critically, these reducers feature a built-in ball-and-socket tilt mechanism, allowing you to precisely angle the camera to eliminate interference patterns (Newton's rings) that can plague monochromatic solar imaging.\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\u003eHigh-Contrast Full-Disk Views for Visual \u0026amp; Outreach\u003c\/h3\u003e\n\u003cp\u003eA dedicated visual focal reducer is included to optimize the view for the human eye. By reducing the image scale, it provides a brighter, higher-contrast view of the full solar disk. This makes it an invaluable tool for public outreach events or for observers who want a more comfortable and impactful full-disk visual experience without the specific needs of an imaging camera.\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\u003eChoosing Your Combo Combo Kit\u003c\/h3\u003e\n\u003cp\u003eAll four kits share the same telecentric optics engineered for the Daystar Combo Quark — pick the combination that matches what you already own.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarlow Set:\u003c\/strong\u003e 2.8X and 4.3X telecentric barlows only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReducer Set of 3:\u003c\/strong\u003e 0.66X and 0.3X imaging focal reducers plus the visual focal reducer — no barlows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory Kit:\u003c\/strong\u003e Both barlows and all three reducers — the complete accessory set for an existing Combo Quark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Kit:\u003c\/strong\u003e The Accessory Kit plus a Chromosphere Combo Quark, for observers starting from scratch.\u003c\/li\u003e\n\u003c\/ul\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 advantage of the Daystar Combo Combo bundle?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe main advantage is \u003cstrong\u003eflexibility\u003c\/strong\u003e. It provides a complete, pre-tested set of optical accessories—telecentric barlows and focal reducers—that allow you to change your magnification and field of view instantly. This saves you the trouble and expense of finding compatible accessories to frame the sun perfectly for both visual and imaging purposes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the 2.8X and 4.3X telecentric barlows in the Combo Combo bundle differ from standard barlows?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003etelecentric barlow\u003c\/strong\u003e is critical for use with a Daystar Quark because it presents light rays parallel to the optical axis. This is required for the etalon to function correctly across the entire field. Standard barlows do not do this and will cause uneven illumination and banding. Additionally, these barlows feature 13 internal baffles to maximize contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat problem does the tilt mechanism on the 0.66X and 0.3X imaging reducers solve?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ball-and-socket tilt mechanism is designed to eliminate \u003cstrong\u003einterference fringes\u003c\/strong\u003e, also known as Newton's rings. These are concentric light and dark bands that appear when imaging with monochromatic light and parallel optical surfaces. By introducing a tiny amount of tilt, you can make these artifacts disappear from your final image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the difference between the four Combo Combo kits?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eBarlow Set\u003c\/strong\u003e has the 2.8X and 4.3X telecentric barlows only. The \u003cstrong\u003eReducer Set of 3\u003c\/strong\u003e has the 0.66X and 0.3X imaging reducers plus the visual reducer, with no barlows. The \u003cstrong\u003eAccessory Kit\u003c\/strong\u003e combines both barlows and all three reducers. The \u003cstrong\u003eFull Kit\u003c\/strong\u003e adds a Chromosphere Combo Quark on top of the Accessory Kit for observers who don't yet own one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich accessory in the Combo Combo bundle is best for imaging the full solar disk with a small sensor camera on an f\/8 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eStart with a \u003cstrong\u003etelecentric barlow\u003c\/strong\u003e: Daystar gives the 2.8X or 4.3X for refractors from F\/5 to F\/9, and the 2.8X shows the full disk on refractors of about 720mm focal length or shorter. To fit more of the disk onto a small sensor, the \u003cstrong\u003e0.66X or 0.3X imaging focal reducer\u003c\/strong\u003e reduces the image scale.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the visual focal reducer in the Combo Combo bundle suitable for imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it's optimized specifically for visual use. For imaging, you should use the dedicated \u003cstrong\u003e0.66X or 0.3X imaging reducers\u003c\/strong\u003e. They are designed with a T-mount thread for secure camera attachment and include the critical tilt-adjustment feature to remove interference patterns, which is not a component of the visual reducer.\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\u003eBarlow Set\u003c\/td\u003e\n\u003ctd\u003e2.8X + 4.3X Telecentric Barlows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Set of 3\u003c\/td\u003e\n\u003ctd\u003e0.66X + 0.3X Imaging Reducers, Visual Reducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Kit\u003c\/td\u003e\n\u003ctd\u003eBoth Barlows + All 3 Reducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Kit\u003c\/td\u003e\n\u003ctd\u003eAccessory Kit + Chromosphere Combo Quark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDaystar Filters Combo Quark\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\"\u003eContents vary by selected Kit — see the Specifications tab above\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\/0753\/5280\/1565\/files\/Daystar_Filters_Combo_Quark_Manual.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\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Barlow Set (2.8X \u0026 4.3X)","offer_id":52935164330269,"sku":"DAY-CCBB","price":499.0,"currency_code":"USD","in_stock":true},{"title":"Reducer Set of 3","offer_id":52935164363037,"sku":"DAY-CCIEFRB","price":595.0,"currency_code":"USD","in_stock":true},{"title":"Accessory Kit (Barlows \u0026 Reducers)","offer_id":52935164395805,"sku":"DAY-CCAK","price":1195.0,"currency_code":"USD","in_stock":true},{"title":"Full Kit (with Chromosphere Combo Quark)","offer_id":52935164428573,"sku":"DAY-DSZCCC","price":2495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/DaystarFilters-Daystar-Combo-Combo-Quark-Accessory-Bundle-1-CCBB_8db71d1d-d5e4-4b22-aa20-e003dafdcd1f.jpg?v=1789520742","url":"https:\/\/davidastro.com\/fr-us\/products\/daystar-combo-accessory-kit","provider":"David Astro","version":"1.0","type":"link"}