Meade Infinity 70mm Altazimuth Refractor Telescope Kit

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Meade Infinity 70mm Altazimuth Refractor Telescope Kit

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A 70mm diameter refracting telescope with a 700mm focal length
Features a precision Altazimuth mount with a slow-motion control rod, making it easy to track celestial objects as they move across the night sky
Comes with two eyepieces that provide low and high-powered magnification for viewing a wide range of objects (Moon, planets, or land) plus a red dot finder and a 2x Barlow lens to double the magnification - essentially like having 4 different eyepieces!
This telescope kit includes extra value-packed accessories for a fun stargazing experience, including a planisphere, moon map, and moon filter
Bonus Autostar Suite Astronomer Edition Software available for download - with over 10,000 celestial objects displayed (Windows PC only)

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Item # 21507b

Mfg Model # 909003

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The Infinity 70mm telescope has a 70mm aperture and focal length of 700mm (f/10). The Altazimuth mount includes a slow-motion control rod that allows for easy and quick viewing across different directions. The telescope includes accessories such as a Red-Dot finder scope, 2x Barlow lens, and two eyepieces that provide varying levels of magnification. This gives you the versatility of both narrow and wide fields of views. The Infinity 70mm comes complete with everything you need to view the wonders of the night sky the first time out. When fully assembled, the Infinity 70mm weighs approximately 6 lbs.

Each Infinity telescope also comes with AutoStar Suite Astronomer Edition Software available as a download. This bonus planetarium software will help you learn the night sky and displays more than 10,000 celestial objects including planets, stars, galaxies, and nebulae. Furthermore, the Infinity Series telescopes are perfect for the observer who views both astronomical and terrestrial objects — meaning you can observe objects in both the sky and on land.

In addition to the standard accessories, this telescope kit includes bonus accessories that will enhance your observing experience. The kit includes a StarTarget Planisphere to help identify constellations in the sky, a moon map to locate and observe specific lunar features, and a neutral density moon filter to boost the contrast of the lunar surface while lowering glare and providing a comfortable view.

The Infinity 70 is the perfect grab-and-go telescope with its extremely light-weight setup that allows for maximum portability. Whether you're looking to take in the views of mountain tops or looking up into the night sky, Meade's Infinity Telescopes will help you capture amazing views.

Warranty

Limited Warranty against defects in materials or workmanship for two years from date of purchase. This warranty is provided by Meade for the benefit of the original retail purchaser only. For complete warranty details contact Meade at 800-626-3233.

Product Support

Visit our product support section for instruction manuals and more

Specs

Best for viewing

Lunar & planetary
User level

User level

Beginner Level - Suited for a wide range of uses, these products are simple to operate and set up. Some initial assembly may be required depending on the type of product. Optical instruments with this rating will have very good optical and mechanical quality. Great for families, young people, and folks who don't want to mess with equipment and complexity. Beginning level telescopes will show you countless lunar craters, Saturn's rings and a myriad of star clusters and nebulae! Referring to the manual is recommended.

Intermediate Level - These products offer higher performance and more advanced features than Level 1: Beginner models. They typically take a bit longer to learn and need some set-up or adjustments. But anyone with the slightest technical bent will have no problem getting familiar with these models. Referring to the manual is recommended.

Advanced Level - These products provide the best performance but may require more skill to master and appreciate. Optical instruments with this rating have exceptionally fine optics and mechanics. Some are easy to use but might be on the large or heavy side. Some are intended for specialized uses. These products will appeal to the more technically inclined. Referring to the manual is highly recommended.

Beginner
Optical design

Optical design

Reflector telescopes use a pair of large and small mirrors to direct incoming light to the eyepiece. Refractor telescopes refract, or "bend" incoming light to a focus by means of an objective lens. Cassegrain telescopes, such as Maksutov-Cassegrains, "fold" incoming light using two mirrors and a front "corrector" lens.

Refractor
Optical diameter

Optical diameter

For telescopes, the optical diameter (also known as aperture) is the size of a telescope's main light-collecting lens or primary mirror, measured in millimeters or inches. Telescopes with larger optical diameters collect more light, which leads to an increase in brightness and image resolution compared to smaller instruments.

For binoculars, the optical diameter (also known as objective lens diameter) is the size of each of the front-facing objective lenses of a binocular measured in millimeters. Binoculars with larger objective lenses collect more light, which increases image resolution and brightness. Binoculars with larger objective lenses are recommended for low light situations, and binoculars with at least 50mm or larger objective lenses are recommended for pleasing astronomical observations at night.

70mm
Focal length

Focal length

The distance from the center of a curved mirror or lens at which parallel light rays converge to a single point. The focal length is an inherent specification of a mirror or lens and is one of the factors in determining resultant magnification for a telescope (along with the focal length of the eyepiece being used).

700mm
Focal ratio

Focal ratio

The focal ratio of an optical system is the ratio of a telescope's focal length to its aperture. Short focal ratios (f/5, f/4.5) produce wide fields of view and small image scales, while long focal lengths produce narrower fields of views and larger image scales.

f/10.0
Optics type

Optics type

Newtonian reflectors will have either a spherical shaped mirror, which is less expensive to produce, or a higher quality parabola, which does not result in spherical aberration. Cassegrain telescopes routinely use spheres in addition to other lenses in the optical path to correct for residual spherical aberration. Refractors use a series of lenses to provide a clear image. Designs range from a standard air-spaced doublet (two lenses in a row) to exotic designs such as oil-spaced triplets and 4-element multi group lenses.

Air-spaced doublet
Eyepieces

Kellner 25.0mm,9.0mm (1.25")
Magnification with included eyepieces

28x, 78x
Resolving power

Resolving power

The theoretical resolving power of a telescope can be calculated with the following formula: Resolving power (in arc seconds) = 4.56 divided by aperture of telescope (in inches). In metric units, this is: Resolving power (in arc seconds) = 116 divided by aperture of telescope (in millimeters). Note that the formula is independent of the telescope type or model, and is based only upon the aperture of the telescope. So the larger the telescope's aperture, the more it is capable of resolving. This is important to keep in mind when observing astronomical objects which require high resolution for best viewing, such as planets and double stars. However, it is usually atmospheric seeing conditions (not the telescope) which limits the actual resolving power on a given night; rarely is resolution less than one arc-second possible from even the best viewing locations on Earth.

10.00arc*sec
Highest useful magnification

Highest useful magnification

The highest practical limit is different from the often used "highest theoretical magnification" specification. The "theoretical" limit generally is 50x the aperture of the scope in inches (2x the aperture in mm). So for example, an 80mm refractor is capable of 160x, and a 10" telescope is theoretically capable of 500x magnification. But after approximately 300x, theory breaks down and real world problems take over. The atmosphere above us is constantly in motion, and it will distort the image seen through the telescope. This effect may not be noticeable at lower powers, but at higher powers the atmosphere will dramatically blur the object, reducing the quality of the image. On a good night (a night where the air above is steady and the stars aren't twinkling), the practical upper limit of a large telescope is 300x, even thought the theoretical limit may be much higher. This doesn't mean the scope will never be able to reach those higher "theoretical" powers - there will be that rare night where the atmosphere is perfectly still and the scope can be pushed past it's practical limit, but those nights will be few and far between.

140x
Highest theoretical magnification

140x
Limiting stellar magnitude

Limiting stellar magnitude

The limiting stellar magnitude is a measure of the faintest star you can see through the telescope.

12.0
Front-end outside tube diameter

Front-end outside tube diameter

The maximum outside diameter (OD) of the front end of your telescope will be used to select a solar filter than will fit securely to the telescope for safe solar viewing.

3.60 in.
Optical quality

Optical quality

"Diffraction Limited" means that the limits of image detail are determined by the physical properties of light, and not by optical defects in the telescope.

Diffraction limited
Finder scope

Reflex sight
Mount type

Altazimuth
Tube material

Aluminum
Tripod material

Aluminum
Weight, fully assembled

6.0 lbs.
Additional included accessories

2x Barlow lens, Moon filter and moon map, StarTarget planisphere
Warranty

Warranty

This warranty gives you specific legal rights. It is not intended to remove or restrict your other legal rights under applicable local consumer law; your state or national statutory consumer rights governing the sale of consumer goods remain fully applicable.

Two year

In The Box

Meade Infinity 70mm Refractor
Altazimuth mount and tripod
Two 1.25" eyepieces (26mm, 9mm)
2x Barlow lens, 1.25"
90 degree erect-image star diagonal
Red-dot finder scope
StarTarget planisphere
Moon map
Moon filter
Accessory tray
Quick-start guide

Shipping Info

Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

Standard Delivery: $0.00
Standard Delivery to Canada: $65.00
3 Day Delivery: $100.00
2 Day Delivery: $100.00
Next Day Delivery: $137.00

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