$2750.7 Buy It Now or Best Offer
free,30-Day Returns
Seller Store agenaastro
(19349) 99.5%,
Location: Cerritos, California
Ships to: US,
Item: 116245511161
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Manufacturer:DayStar Filters
MPN:DSZ4G
DayStar Filters:DayStar Filters
Type:Filter
Description Ordering Info USA Shipping International Orders Returns Our eBay Store 1. PRODUCT DESCRIPTION Daystar Quark Gemini brings the best contains both Prominence and Chromosphere bandpass filters for instant slide-action switching between either view. Now, observers can enjoy the best of both options in one easy to use tool with no equipment swapping or refocusing of any kind. Push the slider arm side to side like in an eye exam to see the broad stroked prominences of wider bandpass, then the high contrast of narrow bandpass. Quark Gemini offers BOTH “prominence” or “chromosphere” all-in-one. For use on refractors of F/4 to F/8**, the user needn’t worry about configurations. Just insert in your diagonal, add an eyepiece and view. The patent pending QUARK* contains a custom Daystar Instruments 4.2X telecentric barlow lens fully optimized in coatings and optical design specifically for the Hydrogen Alpha wavelength. This highly specialized telecentric lens offers superior field flatness. Exact filter bandpass will vary based on final telescope application, so QUARK* assemblies are qualified with one element to show best prominences and the other to show best surface contrast (chromosphere). No specific FWHM bandpass is designated. Outreach astronomers can use the prom vs chrom switch to demonstrate each feature with an extra teaching moment about wing shift going on in fast moving prominences. Imagers can use the same switch to create comparison images without the need to exchange equipment or refocus with short lived features. The fully optimized design eliminates the need for any adapters. It’s all combined in one lightweight eyepiece sized device. The new, compact design configuration eliminates unnecessary components, weight and associated costs. We even reduced power consumption, so the Quark* can now operate all day off a small, palm-sized optional battery pack. Baffles have been added to increase contrast and AR coatings are optimized for the 656nm wavelength. Features: Contains TWO separate Fabry Perot Etalon elements which may be shifted safely via push-pull into view. A hand-matched pair of narrower (<0.5Å FWHM) and wider (>0.6Å FWHM) etalons shall be SE grade and independently tuneable. Ships with male combo 1.25″ or 2.0″ combo eyepiece snouts with safety indent slot directly into your diagonal Ships with standard 1.25 female eyepiece drawtube output. Optional interchangeable 2″ and SCT accessories available. Brass compression ring to protect eyepiece. Uses USB power, 5v 2.0amp Includes 90-240VAC wall adapter with international plug adapters. Two tuning knobs allow wing shifting +/- 0.5Ã with detents at every 0.1Ã LED indicator for power, warming, ready, fault 5 year warranty, Optional 8-hour battery pack available. Integrated, fully baffled 2 element telecentric 4.2X barlow optimized for 656nm Integrated 12mm blocking filter 22mm clear filter aperture Best performance with F/4 – F/8 refractors Full disk viewing possible on refractors up to ~450mm focal length refractors No aperture limitations. May be used on larger refractors for higher magnification views Ships in watertight pelican style equipment case for dust & humidity-free storage. Not suited for off-axis application. Manufacturer part number: DSZ4G United States Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above. Back to Top 2. ORDERING INFORMATION A. Payment: You can pay via any payment method that eBay accepts. B. Shipping Method: United States Postal Service (USPS) or United Parcel Service (UPS) at your choice and expense (our choice if the item has free shipping option). eBay orders for items over $1,500 can only ship via UPS. C. Order Processing Time: Orders received by 12 noon Mon – Fri US Pacific Time generally ship on the same business day. Orders received after 12 noon PT or on weekends/holidays will ship by the next business day. D. Checkout: Please pay for the item(s) within 3 days from your account on eBay or by using the link in the email you receive from eBay. E. Shipping Discount: We offer combined shipping if you order multiple quantities/items and if items can be combined. eBay will automatically show you the correct combined/discounted shipping costs when you check-out. F. Combining Purchases: You can combine shipping for items purchased from us on eBay within 3 days. Buy the items individually and check out together for all items. eBay will combine the shipping weights and show you the discounted shipping cost. You must check out for all items together via eBay for this. We cannot combine shipping costs if you check out individually for your purchases. G. Sales Tax/VAT: Sales tax or VAT may be charged and collected by eBay as required by law based on your ship-to address and local tax/VAT rates. Please check with eBay. Back to Top 3. US SHIPPING A. Delivery Time: USPS First Class shipments will generally take 3-5 business days to arrive after we ship it. Priority Mail shipments will generally take 2-3 business days. However, these delivery times are NOT guaranteed by the USPS. Delays of up to 2 (or sometimes even 3) weeks can occur in about 5% of the shipments due to Covid, operational, or other issues. UPS shipments will generally take between 1 and 6 business days to be delivered depending on the method you select. USPS and UPS do NOT offer any refunds for shipping/delivery delays for ANY reason (except for UPS Next Day Air service). Delays are out of our control once your order ships. B. Tracking/Delivery Confirmation:eBay will update you once your order ships. You can see the order status or tracking information/link from your eBay account at any time. C. USPS Tracking Limitations: Please note that is common for USPS tracking to show “Shipping Label Created, USPS Awaiting Item” or “Shipment Received, Package Acceptance Pending” even several days after your order ships. This does not mean that there is a problem with your order or that we have not handed over your package to USPS yet. This simply means that your package is en route without an outbound scan and tracking will not be updated until the package reaches a distribution center at your end several days later. Back to Top 4. INTERNATIONAL ORDERING / SHIPPING At this time, we do not ship this item outside the US for eBay sales. Sorry. Back to Top 5. RETURN/EXCHANGE POLICY A. US Orders: Returns must be shipped back within 30 days. All returned items must be in brand new, resalable condition with original manufacturer’s packaging. A minimum restocking fee of 10% will be deducted if there is any evidence of use or wear, dirt, scratches, missing packaging/parts, etc. We may levy a larger restocking fee if the condition warrants it, or even refuse returns entirely if returned in heavily used/abused condition. Shipping fees are non-refundable (for items with free or discounted fixed shipping, the actual outbound S&H cost we incurred will be deducted) and you are responsible for all return shipping costs. Please contact us first before returning an item. B. International Orders: No returns/exchanges accepted unless the item we shipped is defective. Please research the product and ask us any questions BEFORE you purchase to make sure you are buying the correct item for your needs. 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Frequently Asked Questions About DayStar Quark Gemini Switchable Dual Band Prominence & Chromosphere Filter DSZ4G in My Website
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