{"title":"Daystar Quantum Solar Filters","description":"\u003cp\u003eDaystar Quantum filters are heated, temperature-tuned narrowband solar filters that mount in the light path of a telescope working at a slow focal ratio. Besides H-alpha in PE and SE grades, the line covers other solar lines: Calcium II H (5Å), Calcium II K (2Å), Sodium D (0.4Å) and Helium D3 (0.3Å).\u003c\/p\u003e\u003cp\u003eThis collection also includes the Quantum power supply, front and rear plates for T, SCT and 2\" connections, wedge plates and an 80mm extension tube.\u003c\/p\u003e","products":[{"product_id":"daystar-quantum-h-alpha-solar-filter","title":"Daystar Quantum H-alpha Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eBandpass options from 0.8Å down to 0.3Å for specific solar targets\u003c\/li\u003e\n\u003cli\u003eLive LCD readout of the precise wavelength output, accurate to 0.1Å\u003c\/li\u003e\n\u003cli\u003eRed\/blue push-button wing shifting for observing Doppler events\u003c\/li\u003e\n\u003cli\u003eOperates on 12VDC power for field use and includes a serial port for computer control\u003c\/li\u003e\n\u003cli\u003eAvailable in Standard (SE) and Professional (PE) grades for different research needs\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 Quantum H-alpha Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum H-alpha Solar Filter is an electronically-tuned etalon for dedicated solar observation, offering bandpass options from a wider 0.8Å to an ultra-narrow 0.3Å. Its precision housing provides a live LCD readout of the filter's output with 0.1Å accuracy and includes red\/blue wing-shift buttons for detailed Doppler studies of solar phenomena. Designed for simple plug-and-play operation on refractors, SCTs, and Maksutovs, a green light indicates when the filter is perfectly on-band and ready for observation.\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\u003eBandpass Options from 0.8Å to 0.3Å\u003c\/h3\u003e\n\u003cp\u003eThe Quantum filter is available in a range of bandpasses, allowing you to select the ideal instrument for your observing goals. Wider options like 0.7Å or 0.8Å deliver brighter views of solar prominences erupting from the limb, while narrower bandpasses of 0.4Å or 0.3Å provide the highest contrast for resolving fine details in the chromosphere, such as spicules and filamentary structure.\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\u003ePrecision Wavelength Tuning with 0.1Å Accuracy\u003c\/h3\u003e\n\u003cp\u003eAt the core of the Quantum's design is its digital control system. A live LCD readout displays the exact wavelength being transmitted with an accuracy of 0.1Å, removing any guesswork. For advanced analysis, red and blue wing-shift buttons allow you to precisely tune the wavelength off the central H-alpha line, enabling the study of Doppler-shifted features like CMEs and other active regions moving toward or away from you.\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\u003eSE vs. PE Grades: Choosing Your Filter Homogeneity\u003c\/h3\u003e\n\u003cp\u003eDaystar offers the Quantum filter in two distinct grades to match specific application requirements. The choice between them depends on the required level of on-band transmittance uniformity across the filter's surface.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum SE (Standard Edition):\u003c\/strong\u003e Designed for most amateur and academic applications, the SE grade meets Daystar's critical quality control standards for visual observation and many photographic uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum PE (Professional Edition):\u003c\/strong\u003e Intended for professional research where precise homogeneity is paramount, the PE grade undergoes additional quality control steps and testing to ensure the highest uniformity and on-band transmittance values across the entire substrate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e12VDC Power and Serial Computer Control\u003c\/h3\u003e\n\u003cp\u003eEngineered for both field and observatory use, the Quantum filter operates on 12VDC power. Each unit includes a 100-240V power supply with adapter plates for US, UK, European, and Australian outlets. A built-in serial port enables full computer control, allowing for remote operation and an on-screen display of the filter's wavelength readout for research and automated imaging sessions.\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\"\u003eWhich Daystar Quantum bandpass is best for prominences vs. surface detail?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor observing prominences, a wider bandpass like \u003cstrong\u003e0.7Å or 0.8Å\u003c\/strong\u003e is often preferred as it produces a brighter image of these structures against the blackness of space. For high-contrast views of surface details like filaments, plages, and spicules, a narrower bandpass like \u003cstrong\u003e0.5Å, 0.4Å, or 0.3Å\u003c\/strong\u003e is superior, as it rejects more off-band light from the photosphere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the Daystar Quantum SE and PE grades?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary difference is the uniformity of the filter's performance across its surface. The \u003cstrong\u003eQuantum SE (Standard Edition)\u003c\/strong\u003e is ideal for visual astronomy and general imaging. The \u003cstrong\u003eQuantum PE (Professional Edition)\u003c\/strong\u003e undergoes more rigorous testing to guarantee precision homogeneity and on-band transmittance, making it the choice for professional research applications where scientific-grade data is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the Daystar Quantum filter's wing-shifting feature?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe red and blue buttons on the Quantum housing allow you to tune the filter slightly off the central H-alpha wavelength. This is used for observing Doppler-shifted phenomena. For example, a solar flare moving rapidly toward Earth will have its light shifted toward the blue end of the spectrum. Pressing the blue button tunes the filter to that wavelength, making the feature more visible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quantum H-alpha filter on my 11\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the Daystar Quantum filter is designed for use on Schmidt-Cassegrains, Maksutovs, and refractors. However, any telescope with an aperture over 80mm used for solar viewing requires an energy rejection filter (ERF) to be placed over the front of the telescope to prevent heat buildup and potential damage to the instrument and the filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power supply do I need for the Daystar Quantum filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quantum filter operates on \u003cstrong\u003e12VDC\u003c\/strong\u003e. It includes a universal 100-240V AC adapter with interchangeable wall plates for international use, allowing you to power it from a standard wall outlet. For field use, it can be powered by a portable 12V battery pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the computer control feature on the Daystar Quantum filter work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter includes a serial port that allows you to connect it to a computer. Using Daystar's Quantum Control software, you can manage the filter's wavelength tuning remotely. This is especially useful for automated imaging sequences, remote observatories, or for displaying and logging the precise wavelength data during scientific research.\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\u003eAvailable Options\u003c\/td\u003e\n\u003ctd\u003e0.8Å, 0.7Å, 0.6Å, 0.5Å, 0.4Å, 0.3Å\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\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_Quantum_Serial_Protocol_V1.2_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.daystarfilters.com\/downloads\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\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":"0.8Å \/ PE","offer_id":44967459455261,"sku":"DAY-.8QPE","price":16786.0,"currency_code":"CAD","in_stock":true},{"title":"0.7Å \/ PE","offer_id":44967459488029,"sku":"DAY-.7QPE","price":19586.0,"currency_code":"CAD","in_stock":true},{"title":"0.6Å \/ PE","offer_id":44967459520797,"sku":"DAY-.6QPE","price":25186.0,"currency_code":"CAD","in_stock":true},{"title":"0.5Å \/ PE","offer_id":44967459553565,"sku":"DAY-.5QPE","price":30786.0,"currency_code":"CAD","in_stock":true},{"title":"0.4Å \/ PE","offer_id":44967459586333,"sku":"DAY-.4QPE","price":39186.0,"currency_code":"CAD","in_stock":true},{"title":"0.3Å \/ PE","offer_id":44967459619101,"sku":"DAY-.3QPE","price":50386.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quantum-H-alpha-Solar-Filter-1__47848.1597170747.1280.1280.jpg?v=1684342459"},{"product_id":"daystar-quantum-calcium-ii-h-line-solar-filter-5a-pe-grade","title":"Daystar Quantum Calcium II H-Line Solar Filter - 5Å PE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTargets the Calcium II H-Line Emission\u003c\/li\u003e\n\u003cli\u003eOptimized for Visual and Imaging Use\u003c\/li\u003e\n\u003cli\u003eReveals Lower Chromospheric Detail\u003c\/li\u003e\n\u003cli\u003eProduces a High-Contrast Violet Image\u003c\/li\u003e\n\u003cli\u003eProfessional (PE) Grade Optical System\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 Quantum Calcium II H-Line Solar Filter - 5Å PE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Calcium II H-Line Solar Filter is engineered for observers who want to visually experience the sun's lower chromosphere. By specifically targeting the Calcium H-line, this filter produces a higher contrast and more easily visible violet image than traditional K-line filters, making it a superior choice for direct observation and advanced 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\u003eA Visual-First Approach to Calcium Solar Observing\u003c\/h3\u003e\n\u003cp\u003eWhile most academic solar research has focused on the Calcium K-line, that wavelength is deep in the ultraviolet spectrum and extremely difficult for the human eye to perceive. Daystar's H-Line filter targets a different emission line of Calcium that is significantly closer to the visible spectrum, resulting in a bright, high-contrast violet view that is far easier to focus and observe directly through the eyepiece.\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 Views of the Lower Chromosphere\u003c\/h3\u003e\n\u003cp\u003eThis filter opens a window into the dynamic lower layers of the solar atmosphere, revealing details invisible in white light or Hydrogen-alpha. You can observe the bright, complex magnetic regions known as plage that surround sunspot groups, track the boundaries of supergranulation cells across the solar disk, and witness the energetic brightening that precedes a solar flare.\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\u003eCalcium H-Line vs. K-Line: A Comparison for Observers\u003c\/h3\u003e\n\u003cp\u003eThe choice between a Calcium H-line and K-line filter comes down to your primary application: research or visual astronomy.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium K-Line:\u003c\/strong\u003e This is the traditional choice for university-level research. Its wavelength is well-isolated from other spectral lines, providing clean data for academic studies. However, its deep-UV nature makes it almost impossible to use visually.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium H-Line (This Filter):\u003c\/strong\u003e This filter is designed for the amateur astronomer. By shifting to a wavelength much closer to what the eye can see, it makes direct visual observation of the chromosphere possible and highly rewarding. The view is still a deep violet, but one that your eye can readily focus on, revealing solar features in real-time.\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 solar features can I see with the Daystar Quantum Calcium II H-Line filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quantum Calcium II H-Line filter reveals features in the sun's lower chromosphere. You will be able to see \u003cstrong\u003ebright plage\u003c\/strong\u003e (active regions around sunspots), the network pattern of \u003cstrong\u003esupergranulation cells\u003c\/strong\u003e, and \u003cstrong\u003epre-flare brightening\u003c\/strong\u003e in magnetically complex areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy should I choose this Calcium H-Line filter over a K-Line filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou should choose the H-Line filter if you have any interest in \u003cstrong\u003evisual observation\u003c\/strong\u003e. The K-line wavelength is too deep in the ultraviolet for the human eye to see effectively. The H-line is much closer to the visible spectrum, producing a distinct violet image that is significantly easier to see and focus through an eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Quantum filter better for visual observing or imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt is designed to excel at both. However, its primary advantage over traditional K-line filters is its superior performance for \u003cstrong\u003evisual observation\u003c\/strong\u003e. For imagers, the more visible wavelength can also make achieving sharp focus easier before starting a capture sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the Daystar Quantum Calcium II H-Line filter show a large sunspot group with my 100mm refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the sunspots themselves will appear as dark umbra (similar to white light), the Daystar Quantum Calcium II H-Line filter will reveal the extensive, bright, and detailed plage surrounding the spot group. This highlights the intense magnetic activity below the surface, which is completely invisible without a specialized filter like this one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Quantum Calcium II H-Line filter a good choice for my SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Quantum series is a robust filtering system suitable for many telescope designs, including Schmidt-Cassegrains. The brighter, more visible image produced by the H-line can be an advantage on long focal-ratio instruments like SCTs, potentially allowing for shorter exposure times during imaging compared to K-line systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat color is the sun through the Daystar Quantum Calcium II H-Line filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe sun will appear as a \u003cstrong\u003ehigh-contrast, deep violet\u003c\/strong\u003e image. This color is the natural result of isolating the specific Calcium H-line emission. While deep, this particular shade of violet is much easier for the human eye to perceive than the light from a K-line filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\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:\/\/www.daystarfilters.com\/downloads\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\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":"Default Title","offer_id":44967464698141,"sku":"DAY-CH5AUNI","price":19586.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quantum-Calcium-II-Solar-Filter-CH5AUNI__53954.1597170543.1280.1280.jpg?v=1684342497"},{"product_id":"daystar-quantum-calcium-ii-k-solar-filter-2a-pe-grade","title":"Daystar Quantum Calcium II K Solar Filter - 2Å PE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTargets the Calcium II K-line at 393.3nm\u003c\/li\u003e\n\u003cli\u003e2Å Bandpass for high-contrast chromospheric detail\u003c\/li\u003e\n\u003cli\u003ePE (Professional Edition) Grade for research applications\u003c\/li\u003e\n\u003cli\u003eQuantum electronic controls provide 0.1Å tuning precision\u003c\/li\u003e\n\u003cli\u003eOptimized for CCD photography and scientific analysis\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 Quantum Calcium II K Solar Filter - 2Å PE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Calcium II K Solar Filter isolates the solar chromosphere at the 393.3nm K-line with a 2Å bandpass, making it a dedicated instrument for academic research and advanced CCD imaging. Its Quantum control system allows for precision wing-shifting accurate to 0.1Å, enabling detailed studies of the solar atmosphere's three-dimensional structure.\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\u003eA Research Tool for the Sun's Chromosphere: 2Å at the 393.3nm K-Line\u003c\/h3\u003e\n\u003cp\u003eThis PE (Professional Edition) grade filter is engineered for university-level research into the composition and dynamics of the Sun. The 2Å bandpass centered on the 393.3nm Calcium K absorption line reveals high-contrast details in the lower to mid-chromosphere, such as supergranulation cells and the magnetic structure around sunspots.\u003c\/p\u003e\n\u003cp\u003eUnlike broadband white-light filters, a narrow Ca K filter provides a distinct view into a specific atmospheric layer. The PE grade ensures the highest level of uniformity across the filter, which is critical for producing scientific-quality data and flat-fielded images free of artifacts.\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\u003e0.1Å Precision Tuning: Mapping Atmospheric Layers with Quantum Controls\u003c\/h3\u003e\n\u003cp\u003eThe integrated Quantum electronic tuning system is the filter's core analytical function. By allowing you to shift the filter's central wavelength with an accuracy of 0.1Å, you can precisely measure Doppler effects and map different levels of the chromosphere. This capability is essential for studying velocity fields and the intensity differences between the K1, K2, and K3 components of the Calcium line.\u003c\/p\u003e\n\u003cp\u003eThis level of control transforms the filter from a simple viewing instrument into a scientific tool. You can investigate the subordinate peaks within the Ca II K line, effectively looking through different depths of the solar atmosphere to build a three-dimensional understanding of chromospheric structures.\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\u003eK-Line vs. H-Line: Why the 393.3nm Wavelength is Optimized for CCDs\u003c\/h3\u003e\n\u003cp\u003eCalcium has two strong spectral lines: the K-line at 393.3nm and the H-line at 396.9nm. This filter targets the K-line, which has historically been the standard for academic research because it is well-isolated from other spectral lines. However, at 393.3nm, the light is deep into the violet part of the spectrum, very close to where human vision ends around 400nm.\u003c\/p\u003e\n\u003cp\u003eThis presents a critical trade-off: the Daystar Calcium K filter is exceptionally well-suited for monochrome CCD or CMOS cameras, which are highly sensitive at this wavelength. For direct visual observation, the image will appear very dim and low-contrast. The H-line is visually brighter, but for the highest clarity in scientific imaging, the K-line remains the preferred target.\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 Daystar Quantum Calcium II K filter primarily used for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is a specialized, research-grade solar filter designed for \u003cstrong\u003eacademic studies and advanced CCD imaging\u003c\/strong\u003e of the Sun's chromosphere. Its primary application is isolating the Calcium K-line at 393.3nm to study features like supergranulation, plage, and the magnetic networks around sunspots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the Calcium K-line at 393.3nm difficult to see visually with this filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe human eye's sensitivity drops off sharply below 400nm. The \u003cstrong\u003e393.3nm wavelength\u003c\/strong\u003e of the Calcium K-line is so deep in the violet spectrum that it appears very dim and lacks contrast to our eyes. Modern imaging sensors, however, have excellent sensitivity at this wavelength, making this an ideal filter for photography but challenging for visual use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 0.1Å wing-shifting of the Quantum controls allow me to study?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e0.1Å precision tuning\u003c\/strong\u003e allows you to study Doppler-shifted phenomena on the Sun. By shifting the filter's bandpass off the central K-line, you can visualize solar material moving towards you (blue-shifted) or away from you (red-shifted). This is critical for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVelocity Field Mapping:\u003c\/strong\u003e Studying the motion of plasma in active regions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D Chromosphere Analysis:\u003c\/strong\u003e Observing different depths of the solar atmosphere by targeting the K1, K2, and K3 peaks of the Ca II line profile.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quantum Calcium II K filter for general solar viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter is not recommended for general or casual solar viewing. It is a highly specialized scientific instrument. For general visual observation of sunspots, you should use a white-light filter. For prominences and surface detail, a Hydrogen-alpha filter is the standard choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 2Å bandpass of this filter help when imaging supergranulation cells on the Sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003e2Å bandpass\u003c\/strong\u003e is wide enough to show significant contrast in the chromospheric network, where supergranulation cells are most prominent. This bandwidth provides a bright image while still being narrow enough to isolate the key Calcium K features, making the boundaries of these large-scale convection cells stand out clearly in images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I am trying to study Doppler shifts in a solar flare with this Calcium K filter, how would I use the Quantum controls?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo study a solar flare, you would first tune the filter to the central \u003cstrong\u003e393.3nm wavelength\u003c\/strong\u003e to image the event. Then, using the \u003cstrong\u003e0.1Å precision\u003c\/strong\u003e of the Quantum controls, you would tune slightly towards blue (e.g., -0.5Å) to capture material being ejected towards you, and then slightly towards red (e.g., +0.5Å) to capture material falling back. Comparing these images reveals the flare's velocity structure and dynamics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\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:\/\/www.daystarfilters.com\/downloads\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\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":"Default Title","offer_id":44967464763677,"sku":"DAY-CK2AUNI","price":25186.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quantum-Calcium-II-Solar-Filter-CK2AUNI__24810.1597170337.1280.1280.jpg?v=1684342499"},{"product_id":"daystar-quantum-helium-d3-solar-filter-0-3a-pe-grade","title":"Daystar Quantum Helium D3 Solar Filter - 0.3Å PE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eObserves in the rare Helium D3 line at 5875.61Å\u003c\/li\u003e\n\u003cli\u003eUltra-narrow 0.3Å bandpass for maximizing contrast\u003c\/li\u003e\n\u003cli\u003eProfessional Edition (PE) grade for research-level precision\u003c\/li\u003e\n\u003cli\u003eReveals unique solar phenomena including flare footprints and magnetic lines\u003c\/li\u003e\n\u003cli\u003eEnables direct observation of a line previously studied only indirectly\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\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 Quantum Helium D3 Solar Filter - 0.3Å PE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Helium D3 Solar Filter makes observation of the 5875.61Å emission line possible, a feat of optical engineering previously unavailable to researchers and advanced observers. This Professional Edition (PE) grade filter uses an ultra-narrow 0.3Å bandpass to isolate the elusive wavelength, which was first identified during the solar eclipse of 1868. By achieving the extreme tuning accuracy required to capture this line, the Quantum He D3 filter opens a new, dynamic window into the solar chromosphere.\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\u003eIsolating the Chromosphere at 5875.61Å\u003c\/h3\u003e\n\u003cp\u003eFor the first time, you can directly view solar phenomena in the light of Helium D3. Located near the Sodium D1 and D2 lines, the He D3 line at 5875.61Å has historically been a challenge to isolate, with past research relying on indirect 'overlappogram' methods. Daystar's Quantum He D3 is the only filter on the market that places this wavelength directly in your eyepiece or on your imaging sensor, enabling novel studies of solar physics.\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\u003eA 0.3Å Bandpass for High-Contrast Solar Features\u003c\/h3\u003e\n\u003cp\u003eThe filter's extremely narrow 0.3Å bandpass is the key to revealing the subtle and energetic structures unique to this wavelength. By rejecting adjacent light from the solar continuum, the filter dramatically increases contrast on specific chromospheric targets. This allows you to observe features that are washed out in other wavelengths or in white light.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlare Research:\u003c\/strong\u003e See bright emission in flare footprints, tracing the points where energy is deposited into the lower chromosphere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Structures:\u003c\/strong\u003e Observe dark absorption features that directly follow the Sun's complex magnetic field lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromospheric Detail:\u003c\/strong\u003e Clearly resolve supergranulation, plage, and fine sunspot details with enhanced contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminences:\u003c\/strong\u003e While H-alpha is superior for large prominences, smaller, hotter prominence structures can be visible in He D3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePE Grade Precision: Required for the 5875.61Å Line\u003c\/h3\u003e\n\u003cp\u003eIsolating the Helium D3 line demands extraordinary precision in the filter's central wavelength (CWL). For this reason, Daystar offers this filter exclusively in their Professional Edition (PE) grade. PE Grade filters are manufactured to a higher standard of uniformity and homogeneity across the entire aperture, ensuring that the 0.3Å bandpass is consistent from edge to edge for uncompromising, research-quality results.\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\u003eHelium D3 vs. Hydrogen-alpha: A New Observational Window\u003c\/h3\u003e\n\u003cp\u003eWhile Hydrogen-alpha at 6562.8Å remains the standard for viewing general chromospheric activity like filaments and large prominences, Helium D3 offers a complementary and highly specialized view. It is particularly sensitive to higher-energy events and provides a more direct look at the magnetic architecture of active regions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrogen-alpha's Advantage:\u003c\/strong\u003e Unmatched for viewing large, cool prominences against the blackness of space and long, dark filaments snaking across the solar disk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelium D3's Advantage:\u003c\/strong\u003e Excels at showing the immediate aftermath and footprint of solar flares and the intricate patterns of absorption that trace magnetic fields near active regions. For the advanced solar imager, adding He D3 data provides a more complete physical picture of solar events.\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 specific solar features can I see with the Daystar Quantum Helium D3 filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quantum Helium D3 filter is designed to reveal specific, high-energy, and magnetically influenced phenomena. You can expect to see \u003cstrong\u003esunspot detail, supergranulation, plage, bright emission in flare footprints,\u003c\/strong\u003e and \u003cstrong\u003edark absorption lines that follow the Sun's magnetic fields.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the Daystar Helium D3 filter only available in PE grade?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Helium D3 emission line at \u003cstrong\u003e5875.61Å\u003c\/strong\u003e is extremely narrow and difficult to isolate. It requires the highest level of precision in the filter's central wavelength accuracy. The \u003cstrong\u003eProfessional Edition (PE) grade\u003c\/strong\u003e ensures the strict manufacturing tolerances needed for research-quality uniformity and performance across the entire filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does observing with the Quantum Helium D3 filter compare to H-alpha?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThey are complementary. \u003cstrong\u003eH-alpha (6562.8Å)\u003c\/strong\u003e is superior for general chromosphere viewing, showing large prominences and filaments. The \u003cstrong\u003eHelium D3 filter\u003c\/strong\u003e provides a specialized view of higher-energy events, making it ideal for studying flare impacts and the structure of solar magnetic fields, which are less distinct in H-alpha.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quantum Helium D3 filter on my 100mm f\/7 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Daystar Quantum filters are designed to work with a variety of telescopes, but they require the host telescope to operate at approximately f\/30. For an f\/7 refractor, you would need a 4x telecentric Barlow lens (like a TeleVue PowerMate) placed before the filter to achieve the required focal ratio. You will also need a full-aperture Energy Rejection Filter (ERF) mounted on the front of your telescope for safe operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the significance of the Helium D3 line at 5875.61Å for solar research?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eObserving in He D3 provides insight into different physical conditions than other wavelengths. It is particularly sensitive to regions of higher temperature and density in the chromosphere, especially those associated with solar flares and active regions. This filter allows researchers to directly study the magnetic and energetic processes in these areas, which were previously difficult to observe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Quantum Helium D3 filter require external power to operate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. All Daystar Quantum series filters are electronically controlled and heated to maintain a precise operating temperature for on-band performance. The filter requires a stable 12V DC power source to function correctly. This allows for precise tuning of the central wavelength via the included control box or software.\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\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eHelium D3 (5875.61Å)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e0.3Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eProfessional Edition (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThis product listing is for the Daystar Quantum Helium D3 Solar Filter unit only. Power supply, cables, and telescope-specific adapters are not included.\u003c\/p\u003e\n\u003c\/li\u003e\n\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":"Default Title","offer_id":44967464861981,"sku":"DAY-HeD.3PE","price":25193.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quantum-Helium-D3-Solar-Filter__60923.1597164902.1280.1280.jpg?v=1684342501"},{"product_id":"daystar-quantum-sodium-d-solar-filter-0-4a-pe-grade","title":"Daystar Quantum Sodium D Solar Filter - 0.4Å PE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTargets the Sodium D emission line at 5895.9Å\u003c\/li\u003e\n\u003cli\u003eUltra-narrow 0.4Å bandpass for high-contrast views\u003c\/li\u003e\n\u003cli\u003eProfessional Edition (PE) grade for research applications\u003c\/li\u003e\n\u003cli\u003eEnables doppler velocity studies through controlled heating\u003c\/li\u003e\n\u003cli\u003eSuitable for both visual and photographic solar observation\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 Quantum Sodium D Solar Filter - 0.4Å PE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Sodium D Solar Filter isolates the bright 5895.9Å emission line with a research-grade 0.4Å bandpass, precisely isolating it from the solar continuum. This Professional Edition (PE) quantum filter is engineered for sub-angstrom studies of the lower chromosphere, revealing dynamic phenomena like granulation, supergranulation, and impulsive-phase flare kernels that are invisible in other wavelengths.\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 0.4Å Bandpass at the 5895.9Å Sodium D Line\u003c\/h3\u003e\n\u003cp\u003eIsolating the Sodium D line requires exceptional precision. While the line itself is very bright, it is also extremely narrow, and a bandpass of less than 0.5Å is necessary to separate its signal from the overwhelming glare of the continuum. This 0.4Å PE-grade filter achieves that separation, delivering high-contrast views of features driven by heating in the low chromosphere.\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\u003eVisualizing Granulation, Flares, and P-modes in the Lower Chromosphere\u003c\/h3\u003e\n\u003cp\u003eObserving in Sodium D provides a unique window into solar physics. The view reveals intricate details in granulation and supergranulation patterns across the solar disk. Because the Na D line is emitted when the low chromosphere is heated, it is particularly effective for identifying the footpoints of flux loops during a flare, pinpointing the eruption's origin point with clarity.\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\u003eHeated Dual-Line Observation for Professional Doppler Studies\u003c\/h3\u003e\n\u003cp\u003eThis Quantum filter is designed for advanced research, including doppler velocity imaging. Unheated, it operates on the lower of the two Na D emission lines. By applying heat, the filter's bandpass can be shifted to the higher line. By capturing images in each line and processing the difference, you can create a dopplergram that maps surface motions associated with supergranulation—a technique previously limited to professional observatories.\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\u003eSodium D vs. Calcium K: A Brighter View of Chromospheric Detail\u003c\/h3\u003e\n\u003cp\u003eFor observers familiar with Calcium K-line solar filters, the Sodium D line offers a similar type of view, particularly in its rendering of granulation. The critical advantage of the Sodium D line is its brightness. This makes the image significantly easier to see visually and allows for shorter photographic exposures, making it a more accessible and versatile tool for studying the chromosphere.\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 makes the Daystar Quantum Sodium D filter different from H-alpha?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quantum Sodium D filter targets the \u003cstrong\u003e5895.9Å wavelength\u003c\/strong\u003e, which reveals activity in the Sun's \u003cstrong\u003elower chromosphere\u003c\/strong\u003e. This is ideal for studying granulation and the heated footpoints of solar flares. H-alpha filters target the \u003cstrong\u003e6562.8Å wavelength\u003c\/strong\u003e, showing features higher up in the chromosphere like prominences, filaments, and surface texture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat specific solar features can I see with the 0.4Å Sodium D filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ultra-narrow \u003cstrong\u003e0.4Å bandpass\u003c\/strong\u003e is designed to show high-detail in specific phenomena originating in the lower chromosphere. You can expect to see:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGranulation and supergranulation:\u003c\/strong\u003e Convective cells across the solar surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP-modes:\u003c\/strong\u003e Solar oscillations visible as surface patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpulsive-phase flare kernels:\u003c\/strong\u003e The bright, initial footpoints of a solar flare eruption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the heating function on the Quantum Sodium D filter work for doppler studies?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sodium D line is actually a doublet with two closely spaced emission lines. The Daystar Quantum filter is designed to operate \u003cstrong\u003eunheated\u003c\/strong\u003e on the lower line. By applying power and \u003cstrong\u003eheating\u003c\/strong\u003e the filter, you can precisely shift its transmission peak to the higher line. Capturing images in both states allows you to create dopplergrams to study solar surface velocities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Quantum Sodium D filter suitable for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is designed for both photographic and visual use. A key advantage of observing in the Sodium D line compared to other narrow wavelengths like Calcium K is its brightness. This makes for a more comfortable and detailed visual experience, allowing you to see features like granulation directly through the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the view of a solar flare's footpoints differ through this Sodium D filter versus an H-alpha filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sodium D filter excels at showing the very base of a flare, where energy heats the lower chromosphere. You would see these \"footpoints\" as intensely bright, compact kernels. In H-alpha, you would see the subsequent plasma eruption and the overarching magnetic loops of the flare higher in the chromosphere, but the initial origin points at the surface would be less distinct.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quantum Sodium D filter for observing anything besides the Sun, like the volcanoes on Io?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is a known research application, but it requires a very large aperture telescope. The volcanic plumes of Jupiter's moon Io emit light in the Sodium D line. With a sufficiently large instrument, this filter can be used to isolate and image that faint emission against the dark sky, a task impossible with standard filters.\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\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eQuantum Solar Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Wavelength\u003c\/td\u003e\n\u003ctd\u003eSodium D Line (5895.9Å)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e0.4Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eProfessional Edition (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eSolar Chromosphere Observation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObserving Method\u003c\/td\u003e\n\u003ctd\u003eVisual and Photographic\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\"\u003eDaystar Quantum Sodium D Solar Filter - 0.4Å PE Grade\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:\/\/www.daystarfilters.com\/downloads\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\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":"Default Title","offer_id":44967464927517,"sku":"DAY-NAD.4UNI","price":25186.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quantum-Sodium-D-Solar-Filter__11147.1597164664.1280.1280.jpg?v=1684342503"},{"product_id":"daystar-quantum-power-supply","title":"Daystar Quantum Power Supply","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eOfficial Daystar Power Supply\u003c\/li\u003e\n\u003cli\u003eDesigned for Quantum Series Solar Filters\u003c\/li\u003e\n\u003cli\u003eProvides Stable, Regulated Power\u003c\/li\u003e\n\u003cli\u003eEnsures Precise Filter Temperature Control\u003c\/li\u003e\n\u003cli\u003eEssential for On-Band Solar Observation\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\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 Quantum Power Supply\u003c\/h2\u003e\n      \u003cp\u003eThis is the official Daystar Quantum Power Supply, engineered to provide the clean, stable electrical current required for the precise thermal regulation of Daystar Quantum series solar filters. Maintaining the exact operating temperature of the filter's etalon is critical for staying on-band and resolving the finest details on the solar chromosphere. This power supply ensures your Quantum filter performs exactly as designed, preventing thermal drift that can compromise high-resolution solar views and imaging.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePowering Precision: Why Quantum Filters Demand Stable Voltage\u003c\/h3\u003e\n      \u003cp\u003eA Daystar Quantum filter is not a passive optical device; it is an active, heated instrument that must maintain a specific temperature to an extremely high tolerance. Any fluctuation in voltage can cause the filter's internal temperature to drift, shifting its bandpass away from the critical 6562.8 Å H-alpha line. Using a generic, unregulated power adapter risks this drift, resulting in a loss of contrast on solar features like filaments, prominences, and spicules.\u003c\/p\u003e\n      \u003cp\u003eThe genuine Daystar Quantum Power Supply delivers the consistent power needed for the filter's internal heaters to work correctly. This stability is the foundation for achieving uniform, high-contrast views across the entire solar disk, ensuring your observing or imaging session is not compromised by electrical instability.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eOEM Replacement: Guaranteed Compatibility and Safe Operation\u003c\/h3\u003e\n      \u003cp\u003eWhether you have lost your original power supply or require a spare for field use, this unit is the original equipment manufacturer (OEM) replacement. It guarantees perfect electronic compatibility with your Quantum filter's sensitive internal components. Third-party adapters with incorrect polarity or unstable output can permanently damage the filter's control systems.\u003c\/p\u003e\n      \u003cp\u003eBy using the official Daystar supply, you eliminate any risk of electrical incompatibility. This is the only power source certified by Daystar to meet the stringent requirements of their Quantum filter line, protecting your investment and ensuring its continued reliable operation.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy can't I use a generic power adapter for my Daystar Quantum filter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eDaystar Quantum filters require highly stable, regulated power to maintain the precise temperature of their internal etalon. A generic adapter may provide unstable voltage, causing the filter to drift off its target bandpass (e.g., H-alpha), which severely degrades contrast on solar features. The official \u003cstrong\u003eDaystar Quantum Power Supply\u003c\/strong\u003e is designed to prevent this.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs this the correct power supply for all Daystar Quantum filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, this power supply is the standard, manufacturer-specified unit for the Daystar Quantum series of solar filters (both SE and PE grades). It is the correct replacement for the power supply originally included with your filter.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat happens if the power to my Quantum filter is unstable during an imaging run?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eUnstable power will cause the filter's temperature to fluctuate, leading to thermal drift. During an imaging session, this would manifest as a gradual or sudden loss of contrast on key solar details. Prominences might fade, and surface texture could wash out, ruining a time-lapse or a carefully focused single shot. Using the correct \u003cstrong\u003eDaystar Quantum Power Supply\u003c\/strong\u003e is critical for long-exposure or time-lapse solar imaging.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eI lost the original power supply for my Quantum SE filter. Is this the right replacement?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, this is the official and correct replacement power supply for all Quantum SE and PE grade filters. It ensures safe operation and maintains the filter's thermal stability for optimal performance.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I know if my old Daystar Quantum Power Supply is failing?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA primary symptom of a failing power supply is an inability for your Quantum filter to lock onto its target temperature and show the green \"on-band\" indicator light. If the light flickers between red and green, or if you notice your solar views are losing contrast despite the indicator being green, the power supply may no longer be providing stable voltage and should be replaced.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Daystar Quantum Power Supply work with other Daystar products like the Quark?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, this power supply is specifically for the \u003cstrong\u003eDaystar Quantum series\u003c\/strong\u003e. The Daystar Quark series is powered via a USB connection and uses a different power standard. You must use the correct power source for each product to ensure safety and proper function.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDaystar Quantum Series Solar Filters (SE and PE Grades)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eOEM Replacement Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\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\"\u003eDaystar Quantum Power Supply\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\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":"Default Title","offer_id":44967465222429,"sku":"DAY-QPS","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quantum-Power-Supply-QPS__20881.1597163106.1280.1280.jpg?v=1684342511"},{"product_id":"daystar-quantum-extension-tube-2-80mm-long","title":"Daystar Quantum Extension Tube - 2\" 80mm Long","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdds 80mm of physical length to a 2\" focuser\u003c\/li\u003e\n\u003cli\u003eProvides 85mm of additional outward focus travel\u003c\/li\u003e\n\u003cli\u003eStandard 2\" male and female barrels\u003c\/li\u003e\n\u003cli\u003eFeatures a non-marring brass compression ring\u003c\/li\u003e\n\u003cli\u003eBlack and red anodized finish\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\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 Quantum Extension Tube - 2\" 80mm Long\u003c\/h2\u003e\n      \u003cp\u003eThe Daystar Quantum Extension Tube solves common back-focus problems by adding 80mm of physical length to your 2\" focuser drawtube, creating 85mm of additional outward focus travel. This male-to-female extension is essential for achieving a sharp image with specific camera and eyepiece combinations that require more back focus than your telescope natively provides.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e80mm Extension for Gaining 85mm of Focus Travel\u003c\/h3\u003e\n      \u003cp\u003eCertain optical configurations, especially those involving focal reducers, off-axis guiders, or specific eyepieces like binoviewers, often shift the focal plane outwards. If your focuser runs out of travel before the image snaps into focus, this 80mm extension tube provides the necessary extra length to bridge that gap, ensuring you can properly frame and focus your target.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSecure, Non-Marring 2\" Barrel Design\u003c\/h3\u003e\n      \u003cp\u003eDaystar has engineered this extension tube for both security and equipment safety. The barrel features a brass compression ring that grips your eyepiece or camera nosepiece firmly without the risk of scratching or scoring the barrel, which is a common problem with simple set screws. A stainless steel set screw provides the locking force, while the black and red anodized finish ensures durability and reduces internal reflections.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhen would I need the Daystar Quantum 80mm Extension Tube for my SCT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA Schmidt-Cassegrain Telescope (SCT) often requires an extension tube when using accessories that consume significant back focus, such as a focal reducer paired with an off-axis guider and filter wheel. The Daystar Quantum 80mm Extension Tube provides the necessary spacing to bring your imaging train to focus.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Daystar Quantum 80mm Extension Tube cause vignetting with my full-frame camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 2\" diameter is designed to pass the light cone from most amateur telescopes without causing significant vignetting on its own. However, the further a sensor is from the focal point, the more susceptible the system is to vignetting from the telescope's own optics. While this tube is compatible with full-frame cameras, taking flat frames is always recommended to correct for any field illumination issues.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the 80mm length and 85mm focus extension?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe physical body of the Daystar Quantum Extension Tube is \u003cstrong\u003e80mm long\u003c\/strong\u003e. However, due to the way it seats in the focuser and holds the eyepiece, it effectively pushes the focal plane outwards by \u003cstrong\u003e85mm\u003c\/strong\u003e. This is the critical number for calculating your back focus needs.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the brass insert in the Daystar Quantum Extension Tube?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe brass insert is a \u003cstrong\u003ecompression ring\u003c\/strong\u003e. When you tighten the stainless steel set screw, it presses the soft brass ring evenly against your eyepiece or camera barrel. This provides a secure, centered grip without leaving the gouges or scratches that a bare steel screw tip would cause on your equipment.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Quantum 80mm Extension Tube threaded for filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe manufacturer's specifications do not indicate that this extension tube is threaded for 2\" filters. It is designed purely to extend the focuser's light path and provide a secure connection point for other 2\" accessories.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Daystar Quantum Extension Tube attach to my telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe extension tube has a \u003cstrong\u003e2\" male barrel\u003c\/strong\u003e that slides directly into your telescope's 2\" focuser or visual back, just like an eyepiece. You then insert your 2\" diagonal, camera nosepiece, or other accessory into the \u003cstrong\u003e2\" female end\u003c\/strong\u003e of the extension tube and lock it in place with the set screw.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocus Extension Provided\u003c\/td\u003e\n\u003ctd\u003e85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eMale to Female 2\" Drawtube\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eLocking Mechanism\u003c\/td\u003e\n\u003ctd\u003eStainless Steel Set Screw with Brass Compression Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack\/Red Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\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\"\u003eDaystar Quantum 2\" Extension Tube (80mm)\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\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\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":"Default Title","offer_id":44967465287965,"sku":"DAY-GM2D2","price":111.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-GM2D2__56270.1597162956.1280.1280.jpg?v=1684342513"},{"product_id":"daystar-quantum-front-flat-plate-1-375x24tpi-f","title":"Daystar Quantum Front Flat Plate - 1.375\"x24TPI (F)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eFeatures 1.375\"x24TPI female threads\u003c\/li\u003e\n\u003cli\u003eDesigned for Daystar Quantum series solar filters\u003c\/li\u003e\n\u003cli\u003eAllows for custom mounting to telescopes and accessories\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for a secure, light-tight fit\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\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 Quantum Front Flat Plate - 1.375\"x24TPI (F)\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Front Flat Plate enables custom integration of your Quantum series solar filter into a specialized optical train. This plate replaces the filter's standard front plate, providing a secure, female 1.375\"x24TPI threaded connection for direct attachment to compatible hardware.\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\u003eCustom Mounting with 1.375\"x24TPI Threads\u003c\/h3\u003e\n\u003cp\u003eThis front plate is the solution for imagers and observers building a non-standard solar setup. The 1.375\"x24TPI female thread is a specific size that allows you to directly couple the Quantum filter to custom adapters, camera lenses, or other specific optical components, bypassing the need for generic step-rings. This ensures a rigid, perfectly aligned connection critical for high-resolution solar imaging.\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 Daystar Quantum 1.375\"x24TPI Front Flat Plate used for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis plate is a specialized adapter that allows you to mount a Daystar Quantum series solar filter onto a telescope or accessory that has a male 1.375\"x24TPI thread. It is used to create a custom, secure, and direct-threaded connection in your optical setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich Daystar filters are compatible with this Front Flat Plate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis plate is designed specifically for the \u003cstrong\u003eDaystar Quantum series\u003c\/strong\u003e of H-alpha filters. It is not intended for use with Daystar Quark or other filter models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I need to replace the original plate on my Daystar Quantum filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou would replace the original front plate if you need to mount the filter to an optical system that doesn't match the stock adapter. This plate provides a specific 1.375\"x24TPI thread, which might be required for a custom imaging train, a specific telephoto lens adapter, or a particular telescope's focuser or visual back.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install this Daystar Quantum Front Flat Plate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation involves carefully unscrewing the existing front plate from your Daystar Quantum filter body and then threading this new plate in its place. Ensure the threads are clean and engage smoothly to avoid cross-threading. The process should be done in a clean, dust-free environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the thread on this Daystar plate male or female?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quantum Front Flat Plate has \u003cstrong\u003efemale (internal) 1.375\"x24TPI threads\u003c\/strong\u003e. It is designed to screw onto a corresponding male thread.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this plate to attach my Quantum filter to a standard 2\" focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNot directly. A standard 2\" focuser does not have 1.375\"x24TPI threads. To use this plate with a 2\" focuser, you would need an additional adapter that steps down from the focuser's native thread (often M48 or SCT thread) to the male 1.375\"x24TPI thread this plate requires.\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\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eFront Flat Plate Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDaystar Quantum Series Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Specification\u003c\/td\u003e\n\u003ctd\u003e1.375\" x 24 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Gender\u003c\/td\u003e\n\u003ctd\u003eFemale\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\"\u003eDaystar Quantum Front Flat Plate - 1.375\"x24TPI (F)\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\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":"Default Title","offer_id":44967465877789,"sku":"DAY-Q3GF1F","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Q3GF1F-1__60769.1597159761.1280.1280.jpg?v=1684342520"},{"product_id":"daystar-quantum-front-flat-t-plate","title":"Daystar Quantum Front Flat T Plate","description":"\u003cul class=\"DAV-feature-list\"\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 Quantum Front Flat T Plate\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Front Flat T Plate is a dedicated mounting adapter designed to securely attach custom equipment to the front housing of a Daystar Quantum series solar filter.\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\u003eCustom Mounting for Daystar Quantum Filters\u003c\/h3\u003e\n\u003cp\u003eThis plate provides a stable, flat surface for users who need to integrate additional hardware into their solar imaging setup. It is specifically engineered for the front of a Daystar Quantum filter, ensuring a precise and secure fit.\u003c\/p\u003e\n\u003cp\u003eThe T-plate standard creates versatile mounting points, ideal for attaching finderscopes, guide cameras, or other custom-built instrumentation directly to the filter body. This eliminates the need for separate mounting rings or brackets, creating a more compact and rigid optical train.\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 Daystar Quantum Front Flat T Plate used for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quantum Front Flat T Plate serves as a mounting adapter that attaches to the front of a Daystar Quantum series solar filter. It provides a flat platform with T-standard mounting points for adding accessories like finderscopes or other custom hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich filters is the Daystar Quantum Front Flat T Plate compatible with?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis plate is designed specifically for compatibility with Daystar's \u003cstrong\u003eQuantum series\u003c\/strong\u003e of solar filters. It is engineered to match the filter's front housing for a secure fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install the Daystar Quantum Front Flat T Plate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation typically involves fastening the plate directly to the pre-existing threaded holes on the front of the Daystar Quantum filter housing. You should use the appropriate screws to ensure a secure connection without damaging the filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\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":"Default Title","offer_id":44967465943325,"sku":"DAY-Q3GFTF","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Q3GFTF-1__81327.1597159568.1280.1280.jpg?v=1684342523"},{"product_id":"daystar-quantum-front-wedge-plate-t-thread","title":"Daystar Quantum Front Wedge Plate - T-Thread","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eEnables off-axis solar imaging with Daystar Quantum filters on SCTs\u003c\/li\u003e\n\u003cli\u003eFeatures a standard female T-thread (M42x0.75mm) connection\u003c\/li\u003e\n\u003cli\u003ePrecision-wedged to ensure correct optical alignment in off-axis setups\u003c\/li\u003e\n\u003cli\u003eAccepts GM2DT 2\" drawtube snouts or GF2SCTT SCT adapters\u003c\/li\u003e\n\u003cli\u003eGold-anodized side plate construction\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 Quantum Front Wedge Plate - T-Thread\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum Front Wedge Plate (Q3GWTF) provides the essential mechanical interface for using a Quantum-series filter in an off-axis configuration on a Schmidt-Cassegrain Telescope, featuring a secure female T-thread (M42x0.75mm) connection. This purpose-built plate is physically wedged to correct the optical alignment for an off-axis light path and accepts accessories like the GM2DT 2\" drawtube snout for mounting.\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\u003eOff-Axis SCT Adaptation with M42x0.75mm T-Threads\u003c\/h3\u003e\n\u003cp\u003eThis front plate is the key to mounting a Daystar Quantum filter away from the primary optical axis of an SCT. The integrated wedge provides the necessary tilt to maintain optimal filter performance when used with a sub-aperture mask or a secondary instrument. Its female M42x0.75mm T-threads offer a universal and rigid connection point for your telescope-side adapters.\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\u003eAccepts 2\" Drawtube Snouts and SCT Thread Adapters\u003c\/h3\u003e\n\u003cp\u003eDesigned for flexibility within the Daystar ecosystem, the Q3GWTF plate is compatible with key mounting accessories. It directly accepts the GM2DT 2\" drawtube snout, allowing you to insert the entire filter assembly into a 2\" focuser. It also pairs with the GF2SCTT SCT adapter for direct attachment to a telescope's rear cell, creating a solid, threaded imaging train.\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 purpose of the wedge in the Daystar Quantum Front Wedge Plate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe wedge is a physical tilt built into the plate. It corrects the angle of the light path for a Daystar Quantum filter when it is used in an \u003cstrong\u003eoff-axis\u003c\/strong\u003e position on a Schmidt-Cassegrain Telescope (SCT). This ensures the filter's etalon performs correctly and maintains a uniform bandpass across the solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect the Q3GWTF Wedge Plate to my telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Q3GWTF plate itself has female M42x0.75mm T-threads. You connect it to your telescope using an appropriate adapter, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaystar GM2DT:\u003c\/strong\u003e A 2\" snout that threads into the plate, allowing you to slide the filter into a 2\" focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaystar GF2SCTT:\u003c\/strong\u003e An adapter that threads into the plate and connects directly to the standard threads on the rear cell of an SCT.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Quantum Front Wedge Plate compatible with filters other than the Quantum series?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this plate is specifically designed to be the front mounting plate for a Daystar Quantum series solar filter. It is not a standalone adapter and will not work with other filter types or brands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between this wedged plate and a standard flat plate for a Quantum filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003eflat plate\u003c\/strong\u003e is used for on-axis applications where the filter is placed directly in the center of the telescope's light path. This \u003cstrong\u003ewedged plate\u003c\/strong\u003e is required for off-axis applications to correct the optical angle, which is critical for proper filter function in that configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI want to use my Daystar Quantum filter with an 8\" SCT and an off-axis energy rejection filter. Is the Q3GWTF the right part?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is the correct component for that exact scenario. The Daystar Quantum Front Wedge Plate is designed to mount your Quantum filter in an off-axis light path, such as the one created when using a sub-aperture energy rejection filter on the front of your 8\" SCT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quantum Front Wedge Plate with a small 80mm refractor mounted on my SCT for solar viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. If you are using a smaller refractor as a guidescope or secondary instrument for solar viewing, this plate allows you to attach your Quantum filter to it. You would use a T-thread adapter to connect the plate to the 80mm refractor's focuser, creating a dedicated, off-axis solar imaging system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\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":"Default Title","offer_id":44967466008861,"sku":"DAY-Q3GWTF","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Q3GWTF-1__75764.1597159150.1280.1280.jpg?v=1684342526"},{"product_id":"daystar-2-female-adapter-for-quantum","title":"Daystar 2\" Female Adapter for Quantum","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Daystar Quantum filters to a 2\" female connection\u003c\/li\u003e\n\u003cli\u003eFeatures a 3\" diameter mounting plate\u003c\/li\u003e\n\u003cli\u003eEnables integration with 2\" focusers and visual backs\u003c\/li\u003e\n\u003cli\u003eProvides a secure mounting point for heavy filter assemblies\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 2\" Female Adapter for Quantum\u003c\/h2\u003e\n\u003cp\u003eThe Daystar 2\" Female Adapter for Quantum provides a robust mounting solution, converting the filter's connection to a standard 2\" female interface for broad compatibility. This 3\" diameter plate is engineered specifically for Daystar's Quantum series filters, enabling their secure integration into optical trains that utilize 2\" accessories.\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\u003eSecure 2\" Mounting for Daystar Quantum Filters\u003c\/h3\u003e\n\u003cp\u003eThis adapter is designed to create a solid and stable attachment point for a Daystar Quantum filter. The 3\" diameter plate offers a large surface area for custom mounting to a focuser flange or other custom hardware. It presents a 2\" female receptacle, allowing a Quantum filter equipped with a 2\" male nosepiece to be inserted and secured, which is critical for maintaining optical alignment with these precise and often heavy filter systems.\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 primary function of the Daystar 2\" Female Adapter for Quantum?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary function of this Daystar adapter is to provide a secure, non-threaded 2\" mounting port for a Daystar Quantum series solar filter. It allows the filter to be integrated into custom optical setups or attached to large-format focuser flanges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Daystar 2\" Female Adapter attach to a telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is not designed to slide into a focuser drawtube. Instead, the 3\" diameter plate is intended to be bolted or clamped onto a focuser body, flange, or a custom mounting plate, creating a rigid connection point for the Quantum filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach my Daystar Quantum filter to this adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou would insert the 2\" male nosepiece of your Daystar Quantum filter into the 2\" female port on this adapter. The adapter then holds the filter assembly firmly in the optical path.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCould I use this Daystar adapter to mount my Quantum filter on a Celestron 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUsing this adapter on a standard SCT would require a custom mounting solution. It does not thread onto a standard SCT rear cell. It is designed for larger telescope systems or custom imaging trains where the 3\" plate can be securely fastened to a flat mounting surface, such as a large focuser flange.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar 2\" Female Adapter threaded to accept 2\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the 2\" female port on this adapter is typically a smooth bore designed to accept the 2\" barrel of a Quantum filter's nosepiece. It is not threaded for standard 2\" (M48) eyepiece or imaging filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy use this Daystar adapter instead of inserting my Quantum filter directly into a 2\" focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is for situations requiring a more rigid and semi-permanent mounting than a standard focuser drawtube can provide. For heavy Quantum filters or in a dedicated observatory setup, bolting the filter to a solid plate via this adapter prevents flexure and maintains precise alignment better than a simple slip-fit connection.\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\u003eAdapter Type\u003c\/td\u003e\n\u003ctd\u003e3\" Plate with 2\" Female Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDaystar Quantum Series Filters\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\"\u003eDaystar 2\" Female Adapter for Quantum\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\u003cp\u003eNo product-specific downloads are available for this accessory.\u003c\/p\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":"Default Title","offer_id":44967466074397,"sku":"DAY-Q3RF2D2F","price":73.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Q3RF2D2F__87827.1597158820.1280.1280.jpg?v=1684342528"},{"product_id":"daystar-quantum-rear-combo-plate-sct-t","title":"Daystar Quantum Rear Combo plate - SCT\/T","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Daystar Quantum filters to common astronomy threads\u003c\/li\u003e\n\u003cli\u003eProvides female T-threads (M42x0.75) for cameras and imaging accessories\u003c\/li\u003e\n\u003cli\u003eFeatures male 2\" x 24 TPI threads for SCT-specific hardware\u003c\/li\u003e\n\u003cli\u003eEnables connection to Daystar RF2D2 or GF2SCTT accessories\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\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 Quantum Rear Combo plate - SCT\/T\u003c\/h2\u003e\n      \u003cp\u003eThe Daystar Quantum Rear Combo Plate (Q3RFCTM) is a specialized adapter designed to integrate your Daystar Quantum filter into a standard imaging train. It provides a critical link between the filter body and your camera or telescope accessories by offering two essential thread types: a female T-thread and a male 2\" x 24 SCT thread.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSCT\/T-Thread Connectivity for Daystar Quantum Filters\u003c\/h3\u003e\n      \u003cp\u003eThis combo plate solves a common connectivity challenge by providing two distinct mounting options on a single component. The female T-threads (M42x0.75) allow for a direct and secure connection to DSLR T-rings, filter wheels, or other T-threaded imaging accessories, creating a rigid connection for photography.\u003c\/p\u003e\n      \u003cp\u003eThe male 2\" x 24 TPI thread is specifically designed for compatibility with Schmidt-Cassegrain Telescope accessories and dedicated Daystar hardware, including the RF2D2 or GF2SCTT units. This ensures your Quantum filter can be properly integrated into a variety of optical setups. Please note that product photos may show a different model; this Q3RFCTM plate features female T-threads as described.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Daystar Quantum Rear Combo Plate Q3RFCTM used for?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Daystar Q3RFCTM is a mechanical adapter that screws onto the rear of a Daystar Quantum filter. It provides the necessary threads to connect the filter to either a camera via T-threads or to specific SCT accessories using its male 2\" x 24 threads.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the specific thread types on the Q3RFCTM plate?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Daystar Q3RFCTM features a dual-thread \"combo\" design:\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFemale T-thread:\u003c\/strong\u003e Standard M42x0.75 thread for connecting to most astronomy cameras, T-rings, and filter wheels.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMale 2\" x 24 TPI thread:\u003c\/strong\u003e For connecting to SCT-specific accessories and Daystar's RF2D2 or GF2SCTT hardware.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the Daystar Quantum Q3RFCTM plate with my Schmidt-Cassegrain Telescope (SCT)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor an SCT setup, you would typically use the male 2\" x 24 TPI thread on the Q3RFCTM plate. This allows you to connect the Quantum filter to compatible SCT visual backs, focal reducers, or specific Daystar accessories like the GF2SCTT, ensuring a secure fit within your telescope's optical train.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Q3RFCTM to attach a DSLR camera to my Quantum filter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The female T-thread on the Q3RFCTM plate is the industry standard for astrophotography. You can attach a brand-specific T-ring to your DSLR camera body, which then screws directly into this plate, creating a solid connection for imaging.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Q3RFCTM plate compatible with all Daystar filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis plate is specifically designed for the \u003cstrong\u003eDaystar Quantum series filters\u003c\/strong\u003e. It may not be compatible with other Daystar product lines like the Quark. Always verify compatibility with your specific filter model before purchasing.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eThe product photo looks different. What threads will I receive?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYou will receive the \u003cstrong\u003eQ3RFCTM\u003c\/strong\u003e model, which has a \u003cstrong\u003efemale T-thread\u003c\/strong\u003e. The manufacturer has noted that some stock photos may incorrectly show a different plate (model Q3RFC1M) which has a 1.375\"x24 thread. This product is confirmed to have the female T-thread for camera connections.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\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":"Default Title","offer_id":44967466139933,"sku":"DAY-Q3RFCTM","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Q3RFCTM__25667.1650569872.1280.1280.jpg?v=1684342530"},{"product_id":"daystar-quantum-h-alpha-solar-filter-se-grade","title":"Daystar Quantum H-alpha Solar Filter - SE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eChoice of 0.7-0.9Å or 0.3-0.5Å Tunable Hydrogen-Alpha Bandpass\u003c\/li\u003e\n\u003cli\u003eSE (Standard Edition) Grade for Amateur and Academic Use\u003c\/li\u003e\n\u003cli\u003eLive LCD Wavelength Readout with 0.1Å Accuracy\u003c\/li\u003e\n\u003cli\u003eDigital Red\/Blue Wing Shift Tuning for Doppler Studies\u003c\/li\u003e\n\u003cli\u003e12VDC Operation for Field Use\u003c\/li\u003e\n\u003cli\u003eSerial Port for Computer Control\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 Quantum H-alpha Solar Filter - SE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quantum SE brings precision Hydrogen-Alpha solar observation to any refractor, SCT, or Maksutov, in a choice of two tunable bandpasses: a brighter, more forgiving 0.7-0.9Å filter, or a 0.3-0.5Å filter for maximum contrast on the solar disk. Both share the same digital control system, with a live wavelength readout accurate to 0.1Å, and both run on 12VDC from the included 100-240V international adapter, making them ready for use anywhere in the world.\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\u003eTwo Bandpass Options: 0.7-0.9Å and 0.3-0.5Å\u003c\/h3\u003e\n\u003cp\u003eBoth filters are tunable across their stated range, so the choice is about where that range sits rather than whether the filter can be adjusted. A narrower passband raises contrast on the solar disk; a wider one passes more light and is easier to use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.7-0.9Å:\u003c\/strong\u003e the brighter, more versatile choice. The extra light throughput suits prominences on the limb, shorter exposures, smaller apertures, and visual observing in less than perfect seeing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.3-0.5Å:\u003c\/strong\u003e the high-contrast choice. The narrower passband isolates the chromosphere more tightly, pulling out filaments, plage, spicules and fine active-region structure on the disk that a wider bandpass washes out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eObservers who mainly image the solar disk tend to choose 0.3-0.5Å; observers who want one filter to do everything, including bright prominence views, tend to choose 0.7-0.9Å.\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\u003ePrecision Digital Control with 0.1Å Accuracy\u003c\/h3\u003e\n\u003cp\u003eThis filter eliminates guesswork by displaying its exact wavelength output on a live LCD, accurate to 0.1Å. For dynamic events, red and blue wing shift buttons let you precisely tune the bandpass off the central H-alpha line. This capability is critical for Doppler studies, allowing you to observe the motion of plasma in solar flares and other active regions as it moves toward (blue shift) or away from (red shift) you.\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\u003e12VDC Field Operation and Computer Integration\u003c\/h3\u003e\n\u003cp\u003eDesigned for portability, the Quantum SE runs on 12VDC power, making it compatible with common field batteries for observing away from home. For stationary setups, a 100-240V power supply with interchangeable wall plates for the US, Europe, UK, and Australia is included. A built-in serial port also allows for computer control, giving you the ability to display the filter's status and wavelength on-screen for remote or automated 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\u003eSE Grade: Professional-Level Features for Visual Astronomy\u003c\/h3\u003e\n\u003cp\u003eThe Quantum SE (Standard Edition) grade is engineered for the majority of amateur and academic applications. It meets Daystar's stringent quality control for all visual and most photographic uses, delivering the high-contrast, detailed views the Quantum series is known for. It provides access to advanced features like digital tuning without the stringent optical homogeneity required for specialized professional research.\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\u003eQuantum SE vs. PE Grade: Choosing the Right Filter\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two tiers for its Quantum filters, and the choice depends entirely on your application.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum PE (Professional Edition):\u003c\/strong\u003e The PE grade's advantage is its superior homogeneity and on-band transmittance values across the entire filter surface. This level of precision is required for professional research studies where quantifiable, uniform data is the primary goal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum SE (Standard Edition):\u003c\/strong\u003e The SE grade is the ideal choice for visual observers and most amateur astrophotographers. It incorporates the same core digital control system and tuning capabilities as the PE grade, delivering scientifically valuable and visually stunning results for a wide range of solar astronomy pursuits.\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\"\u003eShould I choose the 0.7-0.9Å or the 0.3-0.5Å Quantum SE?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose \u003cstrong\u003e0.7-0.9Å\u003c\/strong\u003e if you want one brighter, more forgiving filter for both disk and prominence viewing, or if you are working at a smaller aperture or in average seeing. Choose \u003cstrong\u003e0.3-0.5Å\u003c\/strong\u003e if your priority is maximum contrast on disk features such as filaments, plage and spicules. Both are tunable within their range and share the same electronics and controls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the Daystar Quantum SE and PE grade filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eQuantum SE\u003c\/strong\u003e grade is designed for amateur and academic visual observation and some photography. The \u003cstrong\u003ePE (Professional Edition)\u003c\/strong\u003e grade offers higher precision homogeneity and on-band transmittance required for professional research applications where perfectly uniform data across the sensor is critical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Quantum SE filter in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter operates on \u003cstrong\u003e12VDC\u003c\/strong\u003e, making it fully compatible with standard field batteries and portable power supplies. It also includes a universal 100-240V power adapter with international wall plates for home use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow can I use the Quantum SE filter's wing shift to observe a solar flare with my 100mm refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen observing a flare, which involves high-velocity plasma, you can use the red and blue wing shift buttons to tune the filter's bandpass off the central H-alpha line. This allows you to see \u003cstrong\u003eDoppler-shifted material\u003c\/strong\u003e moving towards you (blue-shifted) or away from you (red-shifted), revealing the flare's dynamic structure through your telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the \"on-band\" green light on the Quantum SE filter signify?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe green indicator light confirms that the filter's internal etalon has reached its precise operational temperature and is transmitting the correct Hydrogen-alpha wavelength. This simple feature on the Quantum SE ensures you are ready to observe without any guesswork.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control the Quantum SE filter with a computer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the Quantum SE filter includes a \u003cstrong\u003eserial port\u003c\/strong\u003e that allows for computer control. This enables you to view the filter's wavelength readout on-screen and potentially automate tuning for Doppler studies or remote imaging sessions.\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\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eHydrogen-Alpha Solar Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eSE (Standard Edition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e0.7Å - 0.9Å or 0.3Å - 0.5Å (tunable, by variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDigital Red\/Blue Wing Shift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength Readout\u003c\/td\u003e\n\u003ctd\u003eLive LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadout Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.1Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e12VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Connectivity\u003c\/td\u003e\n\u003ctd\u003eSerial Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eRefractors, SCTs, Maksutovs\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\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:\/\/www.daystarfilters.com\/downloads\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Quantum Control Software\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":"0.7-0.9Å","offer_id":52935165182237,"sku":"DAY-QSE-P","price":7273.0,"currency_code":"CAD","in_stock":true},{"title":"0.3-0.5Å","offer_id":52935165215005,"sku":"DAY-QSE-C","price":12593.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/DaystarFilters-Quantum-Hydrogen-Alpha-0-7-0-9-SE-1_782049c3-f2de-4067-9312-63ab1c1523ea.jpg?v=1789520811"}],"url":"https:\/\/davidastro.com\/en-us\/collections\/daystar-quantum-solar-filters.oembed","provider":"David Astro","version":"1.0","type":"link"}