3D Astronomy 1.25" L-O-A 3D Eyepiece Set for Binoviewers (Set of 2) - 21mm

Description

3D Astronomy 1.25" L-O-A 3D Eyepiece Set for Binoviewers (Set of 2) - 21mm
Description
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1. PRODUCT DESCRIPTION
Each 1.25” eyepiece has a 21 mm focal length, 65-degree apparent field of view, and generous 18 mm of eye relief for comfortable observing during long sessions
Patent-pending design gives astonishing 3D views of nebulae, star clusters, galaxies, and double stars
Must be used with astronomical binoviewers (not included) or with binoculars that accommodate interchangeable eyepieces
Works best in dark skies (magnitude 5 or darker) with well-aligned telescope and binoviewer optics
Works with telescopes of virtually any aperture or focal ratio
Array eyepiece is easily adjustable to give a variable 3D perspective
VOTED A "HOT SKY PRODUCT - 2017" BY
SKY&TELESCOPE
MAGAZINE!
Groundbreaking eyepiece set and optical array creates an astonishing “3D” view of nebulae, galaxies, star clusters, and double stars with virtually any telescope equipped with binoviewers
Overview
The 3D Astronomy 21 mm L-O-A Eyepiece Set from 3D Astronomy is the result of a remarkable optical innovation that gives you an entirely new and dramatic visual observing experience. When used in a telescope equipped with binoviewers, or with astronomical binoculars that accommodate interchangeable eyepieces, the L-O-A Eyepiece Set renders an astonishing 3D view of nebulae, star clusters, galaxies, and double stars unlike anything available with standard eyepieces. After using the L-O-A eyepiece set, observers with decades of experience have remarked, “It’s like looking through a telescope for the first time,” and “I feel like a little kid again.”
Patent-Pending Optical Array Creates Dramatic 3D Effect
Each of the two eyepieces in this set has a focal length of 21 mm and an apparent field of view of 65 degrees. One is a standard high-quality astronomical eyepiece. The other has mounted on its field lens a tiny array of five glass mirrors. This is the “Lederman Optical Array” or L-O-A (patent pending). When used together in binoviewers, the two eyepieces create an apparent parallax between the images. This gives the perception of six layers of depth within the field of view, somewhat like the effect seen with 3D movie glasses. This renders for deep-sky objects a dramatic 3D appearance with high contrast and sharp detail. Dark lanes and bright knots in nebulae and galaxies appear more prominent. Open stars clusters appear to have depth and texture, and globular stars clusters appear as shimmering spheres of countless stars hovering in the field of view. While the 3D perspective is simulated and bears no relation to the actual physical distances between objects in the field of view, the visual effect is real, dramatic, and truly remarkable.
Variable 3D Perspective Adds Fun to Visual Observing
What’s more, you can adjust the 3D effect by rotating the array eyepiece in the binoviewer. The barrel is marked with an ‘N’ and an ‘F’. When the ‘N’ is facing towards you, an object in the center of the field of view appears nearer to you and in front of the background stars. When the eyepiece is rotated to ‘F’, an object appears farther away and behind the star field. You can turn the eyepiece continually between the two positions to vary the effect and achieve the best view.
As you adjust the array eyepiece, you’ll find yourself immersed in a breathtaking visual experience as you explore the range of perspectives available. You can also experiment with positioning an object at the center of the field of view, slightly off center, or near the edge to see how the continuous change in the 3D effect enhances the view. When they nearly fill the field, extended objects such as the Orion or Lagoon Nebulae can even appear tilted, with one edge apparently closer to you than the other, as if you were approaching the nebulae at an angle in a space ship.
Works With Virtually Any Telescope and Binoviewer
A generous eye relief of 18 mm in each eyepiece makes it easy to observe for long periods without vignetting or the kidney-bean effect. The eyepieces also have foldable eyeguards to keep out stray light. Each eyepiece is made from black anodized aluminum with a knurled ring to make for easy and secure handling. The ‘N’ on the array eyepiece is also conveniently raised so you can feel it in the dark as you adjust and explore the 3D effect.
The 3D Astronomy 1.25" L-O-A 3D Eyepiece Set produces the 3D effect with virtually any set of astronomical binoviewers (not included), and works with telescopes of any aperture and focal ratio, from small refractors to giant Dobsonians. The set also works in binoculars that can accommodate interchangeable 1.25" eyepieces including giant astronomical binoculars from Lunt and Oberwerk.
An Amazing View of Deep-Sky Objects in Dark Sky
Because a bright sky itself can come under the influence of the 3D effect, you get the best performance from the L-O-A 3D eyepiece set when observing under a dark sky in which you can see stars of magnitude 5 or fainter with your unaided eyes. You also need to keep your telescope optics and your binoviewer reasonably well aligned to get the full effect. The 3D Astronomy 1.25" L-O-A 3D Eyepiece Set works with deep-sky objects such as planetary and emission nebulae, open star clusters, globular star clusters, galaxies, and even double stars. The 3D effect does not work with the Moon, planets, or the Sun. However, you can purchase an optional third 21 mm non-L-O-A eyepiece (without the L-O-A mirror array) to match the other non-L-O-A eyepiece to view these objects.
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.
Description copyright: Agena AstroProducts - Reproduction without permission prohibited.
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2. ORDERING INFORMATION
Payment:
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United States Postal Service (USPS), unless otherwise specified.
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Sales Tax:
8.5% sales tax added if your Ship-To address is in California.
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3. US SHIPPING
Delivery Time:
Most orders ship within 1 business day of receiving payment. First Class shipments will take 3-5 days to arrive after we ship it. Priority Mail shipments will take 2-3 days. However, these delivery times are NOT guaranteed by the USPS. Delays of up to 2 weeks can occur in about 5% of the shipments.
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eBay will update you once your order ships. You can see the order status or tracking information from your eBay account at any time.
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4. INTERNATIONAL ORDERING / SHIPPING
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.
Delivery Time:
1) USPS First Class International:
Delivery 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)
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THERE IS NO TRACKING FOR FIRST CLASS SHIPMENTS. The information shown in your eBay account is just a customs form number - it is NOT a tracking number as incorrectly indicated by eBay.
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 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, then DO NOT USE First Class mail - use Priority or Express shipping instead.
(2) USPS Priority Mail International:
Delivery takes 1 - 2 weeks 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.
(3) USPS Express Mail International:
Delivery usually takes 5-10 business days after we ship your package. You will receive a tracking number with which you can track your shipment from USPS.com. Note: If you use this option, you must send us your phone number when you check-out or else your shipment will be delayed. This is required for international postal forms.
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 Paypal claim if your package is delayed. Delays are quite common but losses are very rare, so your patience/cooperation will be greatly appreciated.
Customs and Duties:
You are responsible for any duties and taxes that may be levied in your country. These are not included in the item price or shipping cost. 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 bidding or 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.
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5. RETURN/EXCHANGE POLICY
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.
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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