Baader 1.25" & 2" Hyperion Modular Eyepiece – 21mm # HYP-21 2454621

Baader 1.25

$179.15 Buy It Now or Best Offer
free,30-Day Returns

Seller Store agenaastro
(19349) 99.5%,

Location: Cerritos, California
Ships to: US,
Item: 114919491010

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:Baader Planetarium
MPN:2454621
Baader Planetarium:Baader Planetarium
Type:Eyepiece

Description Ordering Info USA Shipping International Orders Returns Our eBay Store 1. PRODUCT DESCRIPTION Sky and Telescope’s Hot Astronomy Product for 2008! The Baader Planetarium Hyperion 68° Modular Eyepieces offer world-class performance and unique photo-visual features at an unheard of price. No longer do amateurs need to spend more on their eyepieces than their primary instrument, in order to get true high-end performance in a wide-field eyepiece. Not just a different branded version of their highly regarded cousins, the Hyperions have been totally redesigned to deliver better transmission, contrast, and useful new features. Baader Planetarium of Germany has worked hard to give the Hyperions the world’s finest optical coatings, superb mechanics, and their unique multifunctional design. As a visual eyepiece, the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field even in fast telescopes. In comparison to the Pentax XL eyepieces, the Hyperions matched the Pentax in every regard, and at just over 1/3 the price! From their superb on-axis and off-axis sharpness to their pitch-black high contrast field, the Hyperions really work. Viewing through a Hyperion is notably comfortable and relaxing due to their forgiving eye-position, 20mm of eye-relief, extra-large eye lens, and an optical design that is free of annoying ‘kidney-beaning’ and blackouts. Some highlights of the Hyperion Eyepieces: • Consisting of 8 elements in 5 groups (3.5mm – 21mm), the Hyperion optical design delivers outstanding sharpness and color correction over a 68° wide apparent field (65° for the 21mm). The Hyperion optical design has been chosen to deliver a exceptionally comfortable view, thanks to its 20mm of eye-relief, large eyelens, and a pupil free of the kidney-beaning and blackouts common in many wide field eyepieces.• The new 24mm uses a different optical design and delivers outstanding performance over its 68° wide apparent field. It is totally free of blackouts and other annoying exit pupil behaviors, delivers long eye relief (17mm), virtually zero distortion, and is sharp to the edge even in fast telescopes. Its flat focal plane is particularly suited to very fast newtonians that use coma correctors. The 29mm field stop makes the 24mm Hyperion the widest 24mm eyepiece we know of. The 24mm Hyperion is also the smallest and lightest of the Hyperions.• High grade water-white glasses are used throughout to deliver a crystal clear view with low scatter and excellent color fidelity, free of the yellow or bluish coloration imparted by many other eyepieces. Use of high-index glasses delivers low distortion and astigmatism, even on scopes as fast as f/4.• Baader Planetarium has gone to great lengths to give the Hyperions the most advanced multicoatings ever used on amateur telescope eyepieces (please note: these are not the same coatings other manufacturers use on their similar clones of these eyepieces..). The Hyperion Phantom Group multi-coatings and coating equipment are proprietary to Baader and have been designed by German coating engineers specifically for the Baader Hyperions and optimized for each of the glasses used. These coatings are applied with the latest thin-film German coating equipment, training, and process controls. The result are coatings that truly rival the best in the world – including the famous Zeiss Abbe Orthoscopic! The difference is clearly visible – users report that the Hyperions clearly show fainter stars and darker sky than the competitive clones.• The proprietary Hyperion housings have been engineered by Baader to incorporate careful opto-mechanical design and execution of internal baffling to eliminate stray light and ghost reflections. Uncapping the eyelens reveals a pitch black interior, with no distracting and contrast-robbing glints of light from unbaffled lens or metal surfaces. • Superb fit and finish – eyepiece barrels are accurate to size, nicely machined, and hard anodized.• Works in both 1.25″ and 2″ focusers. The 1.25″ barrel is threaded for filters and kept short (0.94″) to work well in binoviewers and spotting scopes. Baader’s new housing incorporates a full-length 2″ barrel (0.94″ long) and provides a specially designed tapered locking recess. In addition, the Hyperion field stop locations have been re-designed and optimized to give the shortest focus position possible (important for binoviewer use). • Soft folding rubber eyecups work for both normal and eyeglass users. Each Hyperion comes with protective lens caps and leatherette storage pouch.• All Hyperions accept popular Astigmatism Correcting Lenses (not available in the USA though). The Hyperion eyelens housing is compatible with the full range of correcting lenses from 0.25 to 3.5 diopters. Observers with any astigmatism will really appreciate this feature, no longer needing to wear eyeglasses to see stars as true pinpoints. The long 20mm eye relief of the Hyperions works particularly well with these corrector lenses, without forcing the observer to press their eye close to the lens in order to see the entire wide field.• Removable Negative Lens Element permits variable focal lengths using Baader’s new 14mm and 28mm Finetuning Rings (sold separately). NOTE: The 24mm Hyperion is a different optical design and does not permit the use of Finetuning Rings to decrease focal length.• Great for Binoviewing! Baader has tried most of the wide field eyepieces on the market that are suitable for binoviewing, and the Hyperions are at the top with the very best. When compared to some wide field eyepieces developed especially for binoviewing, they found the Hyperions were superior in every aspect: more comfortable view with better eye relief, smaller housing diameter at the eyelens gives more nose-room, better coatings (=better contrast), wider field, and half the cost. Their favorite wide field bino eyepieces are the 8/13/17/21/24mm Hyperions. The new 24mm Hyperion works superbly in binoviewers, and delivers the widest true field of any 24mm wide field eyepiece. Some users with narrow interocular separation may find it is necessary to remove the thin rubber M54 protective ring in order to increase the ‘nose clearance’. Baader Hyperions incorporate some unique and innovative aspects, which are designed to make them the ideal projection eyepieces for imaging applications: • The optical design of the Hyperions enables them to work as an extremely sharp wide-field projection eyepiece for even large chip CCD and DSLRs.• The eyelens barrel has been provided with two different external threads, M43 and M54 (these are covered by the removable rubber eyecups). A wide variety of adapter rings enables cameras to be directly and rigidly close-coupled for afocal projection photography, or variably extended for classical eyepiece projection imaging with T-Adapters and Extension Tubes. A series of 16 threaded rings (sold separately) provides compatibility with just about every digital (CCD/DSLR) and video camera made, even large and heavy 3-chip video cameras.• The front negative lens element is designed to be removed (and exposes an M48 2″ filter thread). This converts each Hyperion into a longer focal length high-quality projection eyepiece, giving the imager two choices of focal length with each eyepiece. NOTE: The 24mm Hyperion is a different optical design and does not contain a removable front element. However, the Front Barrel can still be removed in order to attach 2″ filters in-between the 1.25″ and 2″ barrels. This is particularly convenient for users of 2″ filters. Table 1: Combinations of Hyperion Eyepieces with Finetuning Rings (FTR) to Modify the Focal Length Effective focal length in mm With 14 mm FTR With 28 mm FTR With 14 + 28 mm FTR Without first group of lenses Hyperion 3.5 2.5 2.1 1.8 21.8 Hyperion 5.0 4.0 3.2 2.6 22.5 Hyperion 8.0 6.0 5.0 4.3 21.8 Hyperion 10.0 8.4 7.1 6.1 9.1 Hyperion 13.0 10.8 9.2 8.1 22.9 Hyperion 17.0 13.1 10.8 9.2 21.8 Hyperion 21.0 17.6 15.5 14.0 32.2 Hyperion 24.0 N/A N/A N/A N/A China Eyepiece Series Hyperion Focal Length 21mm Barrel Size 1.25″ (31.7mm) and 2″ (50.8mm) Apparent Field of View (Mfg Specified) 65° Filter Threads Standard 1.25″ (M28.5 x 0.6) and 2″ (M48 x 0.75) Filter Thread Eye Relief 20mm Coatings Fully Broadband Multi-Coated (Phantom Group) Lens Elements 8 Lens Groups 5 Blackend Lens Edges Yes Barrel Type With safety undercut Height (With Eyeguard Extended) 4.4″ (113mm) Rubber Eye Guard Yes Weight 13.7 oz (388 g) 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 A. Shipping Cost: Click on the “Shipping and Payments” tab above and select your country to see your shipping choices and cost. If you need a shipping cost estimate for multiple items, please contact us. B. Delivery Time: Please note that eBay’s delivery estimates shown are generally too optimistic! 1. UPS (All Shipping Methods): We strongly recommend the use of UPS for international orders due to issues related to the ongoing Covid situation. Delivery time usually varies between 3-7 business days depending on your country and the exact shipping method you select. 2. USPS First Class International: First class packages will usually be carried by GlobalPost (a USPS international delivery partner) for most of the way. Delivery at your end will be handled by your local postal service. Delivery generally takes about 3-4 weeks after we ship your package. This can frequently take 4-6 weeks or more for several countries (8 weeks for Italy, Argentina, and South Africa; 8-12 weeks for Brazil). There is very limited tracking available for 1st class shipments and there is no inquiry/tracing service. Once your package ships, we can do nothing but wait until your package arrives. Please do not become impatient and contact us in 2-3 weeks if your package has not arrived. If you don’t receive the package in 6-8 weeks, contact us and we will work with you to resolve the issue. If you don’t want to take the risk of this delay or lack of tracking, DO NOT USE First Class mail – use Priority or Express shipping, or better still, UPS instead. Packages are not considered lost unless 60 days have elapsed from the date of shipment. 3. USPS Priority Mail International: Delivery takes about 2 weeks to most countries after we ship your package. This can sometimes take 3-4 weeks to several countries. The USPS provides some basic tracking information for Priority shipping. Packages are not considered lost unless 60 days have elapsed from the date of shipment. 4. USPS Express Mail International: Delivery usually takes 5-10 business days after we ship your package. Packages are not considered lost unless 30 days have elapsed from the date of shipment. Again, these delivery times are NOT guaranteed by the US Postal Service. The most common reason for delays is slow customs inspection and clearance in your country, and can be very long, even for Express mail packages. Upon shipping your order, delivery delays are beyond our control, so do not leave us negative feedback or file a claim if your package is delayed. Delays are quite common but losses are very rare, so your patience and understanding will be greatly appreciated. C. Brokerage Fees, Customs and Duties: You are responsible for any carrier brokerage fees and duties/taxes that may be levied in your country. These are not included in our item price or shipping cost. UPS brokerage fees can be quite hefty. We have no control over these charges and cannot predict what they may be or if they will be levied upon delivery. Customs policies vary widely from country to country (Some countries such as UK are strict about imposing hefty customs duties). It is your responsibility to check with your country’s customs office to determine what these additional costs will be prior to buying. Customs fees are normally charged by the delivery company or your country’s postal service or collected when you pick the item up. These fees are NOT additional shipping charges. 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. Back to Top Click any image below to view hundreds of products in our eBay Store…

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Baader 1.25" & 2" Hyperion Modular Eyepiece – 21mm # HYP-21 2454621

Frequently Asked Questions About Baader 1.25″ & 2″ Hyperion Modular Eyepiece – 21mm # HYP-21 2454621 in My Website

What are the best-selling Baader 1.25″ & 2″ Hyperion Modular Eyepiece – 21mm # HYP-21 2454621 on law2g.com?

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