Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community. Please make sure that you've entered a valid question. You can edit your question or post anyway. Please enter a question. Industry standard 1. Changing magnifications is easier than ever with included 17 mm and 10 mm eyepieces.
Easy to use red dot finder makes aiming the Z a breeze for any level of user. The Dobsonian style base allows for smooth motions and easy tracking. Skip to main content.Mba notes pdf
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Learn more about Amazon Global Store.What type of telescope should you buy?
It is ideal for the serious observer who will accept nothing less than unsurpassed imaging and visual observing performance in a supremely portable body you can take with you anywhere in the world.Hemp price per pound
Thomas laid the foundation for this scope when we had him design his ultimate refractor, the TMB Signature Series. The design has set dormant in our "vault" for the past 5 years or so until we thought it was time to dust it off.
We sent the design to Roger Ceragioli to give it a once over and make sure that it was performing as it should with advances in glass and coatings over the last decade. He studied it, and made some changes to try and get every ounce of performance possible out of 92mm of glass. The AT92 is an exceptional grab and go scope for observing and imaging - both within the solar system and out to the furthest reaches of infinity. Its images of subtle low-contrast lunar and planetary details are razor-sharp, with realistic and highly saturated color.
Those images are free from chromatic aberration of any type, thanks to the ED element in the scope's triplet optics. The latest antireflection multicoatings and knife-edge internal baffles assure the maximum image contrast possible.
Image excellence is limited only by the seeing conditions, not by any aberration or short-coming in the telescope. Apochromatic triplet ED refractor optics: 3. It uses an ED Extra-low Dispersion glass center element in combination with a rear Lanthanum element for a sharp images that are high in contrast and free from spurious color chromatic aberration. Multicoated optics: Fully multicoated on all surfaces with the latest antireflection materials for exceptionally high light transmission and excellent contrast.
Light transmission is so high that the optics seem to virtually disappear when viewed from head on. Internal light baffles: Contrast-enhancing knife-edge light baffles in the optical tube and focuser provide truly dark sky backgrounds and high terrestrial contrast. In addition, the edges of the objective lens are blackened to eliminate contrast-reducing stray internal reflections.
It also improves visual and photographic contrast by shielding the lens from off-axis ambient light the neighbor's yard light, moonlight, etc. Dual-speed 2. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with a reduction gear microfine focusing ratio. This provides exceptionally precise image control during very high magnification visual observing, and during critical 35mm or CCD imaging. All focus knobs are ribbed, so they are easy to operate, even while wearing gloves or mittens in cold weather.
At High Point, we love recommending the Apertura Dobsonians! Have questions? Contact us at info highpointscientific. We look forward to helping determine if the Apertura Dobsonian is right for you!
Regularly stocked item that is on order with the manufacturer and on its way to our warehouse. Expected to arrive within business days. This item is in stock and typically ships in 1 day or less. Product is backordered from the manufacturer. Once the order is placed our team will update you on the anticipated arrival date.
Due to either high demand, or the specific nature of this product, lead times may run longer than other products. View all Apertura Hide details. Category Angle right Close filter Category. The brands we carry at High Point Scientific. The manufacturers listed at any given time during your search refinement offer at least one product that matches other search criteria you have already chosen.
Sometimes adapters come in sets, so we needed to differentiate between a single one item and a set or kit, which would include at least two adapters or spacers.
The type of threads, plate or barrel size on one side of the adapter, spacer, or other item. The side listed A or B doesn't mean anything except to designate one side from the other. Use this filter if you are looking for a particular length. For instance, if you want a 25 mm extension, then click the Once you get those results, you can filter further by barrel size, thread type, etc. Minimum value. Items 1 - 25 of Show 5 10 15 20 At Zhumellthey look for adventure and they seek out problems.
Then they create solutions. Whether it is a zoom binocularopera glasscoin operated binocular or something else, Zhumell products solve problems for their owners. Zhumells are field tested by the world's top experts and we field test and, of course, use our own binoculars.
In addition, yes, we recommend them to our friends. All over the world Zhumell is improving the sight of different cultures in different climates. People who own Zhumell products are interesting people with passionate characters. They leave their mark upon the world. And 25 year manufacturer warranty would never hurt.
Please add " opticsplanet. Popular Categories. Spotting Scope Accessories. Spotting Scopes. Telescope Accessories. Tripod Accessories.You'll be ready to observe the Universe right out of the box with this Apertura 8" Dobsonian telescope! The AD8 package includes everything you'll need to get started, including a full-sized right-angle RA image correct 8x50 finder scope, two eyepieces, a laser collimator, cooling fan, and more.
On a steady night of viewing, you can explore the equatorial belts around Jupiter, spy Cassini's Division in Saturn's rings, or study the polar ice caps and dusky maria on the surface of Mars Literally, thousands of celestial objects will be visible with your Dobsonian Reflector. Everything from huge galaxies, nebulae and star clusters to smaller planetary nebulae, double stars, and millions of suns in the far off regions of space will be within the grasp of your telescope.Free low sized skybox sunset
A Dobsonian is perfect for beginners as well as advanced amateur astronomers. Unlike computerized telescopes, a classic Dobsonian does not find objects for you.Irish war pipes
You do that yourself. It may be a challenge at times, but you will have the honor of learning the night sky. To set the Apertura Dobsonian up for a night of viewing, just put the rocker box on a fairly level surface, set the optical tube in the cradle, slide the finder scope on, put an eyepiece in the focuser, and start observing. There are no motors or electronics to deal with, and you won't hear anything except the hum of the fan during cool down.
To move the telescope, push or rotate it in the direction you wish to go, and use the 8X50 finderscope to help you center the object in your field of view. This telescope has a unique design that allows for easier balancing of the telescope in altitude.
We recommend a planisphere for your latitude to help you get your bearings and find brighter objects, as well as a more extensive star chart of some kind to help you locate fainter objects. We stand behind all the products we sell, and your satisfaction is our top priority.
If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery. At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.
Zhumell Z Series Planetary Telescope Eyepieces
Displaying Reviews of. Have questions about an item or need advice on selecting the right astronomy gear? Our team of telescope experts is here to help!
Avid amateur astronomers themselves, they've tested products in the field and can provide personalized recommendations. Drop us an email at info telescopesplus. We'll get back to you as soon as possible, usually within 1 business day. Add To Cart. TelescopesPlus is excited to announce the return of the legendary Apertura Dobsonian! Apertura Dobsonian Telescopes are one of the most highly rated Dobsonian Telescopes on the market today, and it's not hard to see why!
The shiny black optical tube rides on an easy-to-use Dobsonian mount that is a cinch to learn how to use and enjoy, for adults as well as older children.
Apertura 8" Dobsonian Telescope with Upgrades & Premium Accessories - AD8
Check out the huge list of telescope upgrades and accessories below and, coupled with the optical quality and superb mechanical build, you'll see why this 8" Dobsonian telescope beats the competition hands-down:. Base Weight: Fully Assembled Weight: Warranty: 1 year for materials and workmanship. Product Guarantee We stand behind all the products we sell, and your satisfaction is our top priority.
Write a Review. Customer Photos. Most Helpful Reviews.About Zhumell Zhumell's headquarters are located in Omaha, USA and whilst it is probably true to say that Zhumell is not the most widely known optical brand, they have a good reputation for producing good quality telescopes, spotting scopes, riflescopes as well as binoculars with an emphasis on good value for money.
Best Zhumell Binoculars: Reviews & Comparisons of Zhumell Binoculars
This is highlighted in their marketing, as they say Zhumell started after they asked themselves if they could produce binoculars that were better value for money than what was currently available but still better than the ordinary. Zhumell binoculars are in no way a match for the top of the range, Swarovski's, Leica's or Zeiss binoculars and to be fair they don't aim for that market. Their binoculars are aimed at the mid to cheap range of binoculars and here they do offer plenty in the way of quality components, workmanship and features that you don't always find in binoculars in the same price range which indeed does make them great value for money.
Zhumell currently have six types of binocular in their range and whilst they may not offer the most comprehensive portfolio, they do have the major bases of General Use, Wildlife, Birding, Marine and Atronomical binoculars covered. Their Signature range is aimed at the general use, birding and wildlife observation markets, whilst the Astronomical line consist of astronomy binoculars that are an affordable alternative to telescopes The Waterproof line consists of specialist marine as well as general use binoculars that can handle even the nastiest weather and are both fog and waterproof.
The Compact line consists of Perhaps most unique to Zhumell is their specialty binoculars that includes opera glasses. Zhumell also prudoce a range of coin operated binoculars aimed at the tourism market. The Zhumell Signature Series waterproof binoculars are as their name implies Zhumell's flagship range. They are also their most expensive standard binoculars aimed at the mid priced market and come loaded with features that can be difficult to find in binoculars at this price range.
These features include fully multi-coated lenses, they are o-ring sealed as well as nitrogen purged making them not only fully waterproof, but fog proof as well. Zhumell also back their Signature binoculars with their year no-fault warranty that ensures a lifetime of worry-free viewing and both full size 42mm models weigh 1. These are ideal as general use, wildlife and birding binoculars. Zhumell are pobably best known for their binoculars for astronomythese binoculars have been specifically designed for looking at the stars and other celestial objects in the night sky.
Zhumell offer three differnt models of these giant binoculars:. Winner Binoculars. The Tachyon 25x Astronomical binocular has a rugged metal construction and comes with a powerful 25X magnification and large mm objective lenses and a built-in tripod adapter.
This amount of power is more than enough to pick out craters on the moon, features on the planets and even good views of interstellar objects. What is also interesting is they accept the standard, 1.Item ZHUI Add the Zhumell Z Series Planetary Eyepieces to your telescope to enjoy dramatic increases in power and contrast. These eyepieces deliver excellent color rendition without the ghosting and flares that come with lower quality eyepieces.
Long eye relief means comfortable viewing over extended periods, even when wearing eyeglasses. Available in several focal size options. From the Manufacturer At Zhumell we're committed to precision, performance, and people. Our products are designed and tested to make sure that they perform not only to our expectations, but to our customers' as well.
We know that Zhumell customers are unique individuals whose pursuits vary and who demand the best products available.
Whether you're an avid birder waiting to catch a glimpse of a yellow-rumped warbler or an early morning duck hunter scanning the horizon for a flock of ducks, we have the products that fit your needs. We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery. At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange.
Simply ensure that the item is returned in its original product packaging within 30 days of delivery. Displaying Reviews of. Zhumell 1. Have questions about an item or need advice on selecting the right optic? Our team of experts is here to help! Avid outdoor enthusiasts themselves, they've tested gear in the field and can provide personalized product recommendations for just about any activity, from birding and hunting to sports and travel.
You can reach our Customer Support line at We're open 10 A. Eastern Standard. After hours? Drop us an email at info binocularsplus. We'll get back to you as soon as possible, usually within 1 business day. Add To Cart. Apparent field of view of 55 Degrees Eye Relief 20mm 1. Product Guarantee We stand behind all the products we sell, and your satisfaction is our top priority. Manufacturer Warranty Default manufacturer warranty.
Write a Review. Customer Photos. Most Helpful Reviews. Zhumell Eyepiece Carry Bag. Ask The Experts Have questions about an item or need advice on selecting the right optic? Thank you for subscribing!
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