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De-humidification caps for closed tube telescopes with 2 or 1.25 inch focusers; perfect for your refractors. Includes 5 packs of desiccant. Refills available. Meade 8 Inch LX200-ACF Advanced Coma-Free Telescope with UHTC     The most widely used research telescope on earth now comes with the most advanced optical system. Meade's LX200-ACF brings Advanced Coma-Free (ACF) optics within reach of aspiring astronomers everywhere. Nearly every observatory reflector in the world uses an aplanatic (coma-free) optical system like the Ritchey-Chrtien (RC) including NASA's Hubble Space Telescope. Now you can own optics similar to what the professionals use. The LX200-ACF includes all the field-proven features of the LX200 including GPS Primary Mirror Lock Oversized Primary Mirror SmartDrive Smart Mount AutoStar II and more. Plus the LX200-ACF comes with observatory-class optics and a Series 4000 26mm Super Plssl eyepiece. The new LX200-ACF:  It's the biggest news in astronomy since well the LX200.     The advanced in Advanced Coma-Free.A traditional Ritchey-Chrtien (RC) is a type of reflector that delivers a coma-free flat field of view via hyperbolic primary and secondary mirrors. RC telescopes (from a variety of manufacturers) are found in most of the world's top observatories and NASA's Hubble Space Telescope. Because the mirrors in these telescopes have always been very expensive to make few amateur astronomers could enjoy them. Fortunately Meade engineers developed a radical new Advanced Coma Free design by combining a hyperbolic secondary mirror with a corrector-lens-and-spherical-primary-mirror combination that performs as one hyperbolic element. This ACF design produces a coma-free flat field of view that rivals traditional RC telescopes at a fraction of the cost. The design even eliminates diffraction spikes and improves astigmatism both of which are inherent in the traditional ACF design. When reviewing Meade's LX200-ACF Advanced Coma Free Sky and Telescope magazine said  It does indeed perform like a Ritchey-Chrtien. The difference between the off-axis images (compared to a Schm This is a very clever device.  By using three perfectly aligned laser beams it simulates the parallel rays coming from a distant star.  The beams then pass through the telescope twice to amplify any error in the entire system making even small miscollimation errors readily seen and fixed.  David's done his homework on this one coming up with a very ingenious answer to daytime collimation of an SCT.  Craig Stark Ph. D. Associate Professor and Founder of Stark Labs & PHD Guiding  We have used the HOTECH Advanced CT Laser Collimator on our CDK Telescope to set the initial primary to secondary collimation with good result. HoTech's elegant design and high quality construction allows for ease of setup and makes this an invaluable tool for collimating a Cassegrain Telescope. Allan Keller PlaneWave Instruments     Innovation brings Affortable and Portable Collimation into Reality  Since the invention of the Cassegrain Telescope in 1672 by the French sculptor Sieur Guillaume Cassegrain the Cassegrain Telescope has evolved into various derivative designs such as the more popular Ritchey-Chrtien Dall-Kirkham Schmidt-Cassegrain and Maksutov-Cassegrain. The designs have gained their popularity because of their compact and simple to produce design. With different designs star collimation is and has always been the only effective method to collimate for Cassegrain telescope owners.Now backyard astronomers have an alternative to achieve excellent collimation conveniently using the Advanced CT Laser Collimator. The Advanced CT Laser Collimator brings the collimating star to your telescope within arm reaching distance. With its short range capability you can perform collimation indoors - day or night - without being subjected to weather conditions. And best of all this new collimator utilizes a clear and simple-to-read large target display for the telescope alignment diagnostic.  This large target display is positioned within a short focal distance of the telescope which all Designed to be an affordable entry level to mid-level computerized GoTo telescope the NexStar SLT refractors reflectors and Maks are available in the most popular sizes and are loaded with valuable design features. With preassembled adjustable stainless steel tripods and quick release fork arms and tubes NexStar SLT telescopes can be set up in a matter of minutes  with no tools required! You can see details of the lunar surface Venus and its phases polar caps on Mars Jupiter and its four moons Saturn with its rings plainly visible and much more! Most NexStar SLTs can also be used as a land-based spotting telescope.Intelligent DesignThe internal battery compartment provides power to the high precision servo motors for rigid low-vibration performance while eliminating cord wrap issues associated with external battery packs. With the NexStars ergonomically designed hand control the user is free to remove the hand control from its holder for remote use or leave it cradled for hands-free operation. With a touch of a button you can select the object catalog change the slew speed view fascinating information about an object or simply know if a desired object is visible in the sky. Features Proven NexStar computer control technologyHigh quality 90mm Maksutov-Cassegrain Database allows telescope to locate over 4000 celestial objectsFully computerized Altazimuth mountSkyAlign allows you to align on any three bright celestial objects making for a fast and easy alignment processQuick-release fork arm mount optical tube and accessory tray for quick no tool set upFlash upgradeable hand control software and motor control units for downloading product updates over the InternetSturdy stainless steel tripod and accessory tray includedInternal battery compartment to prevent cord wrap during useGood for terrestrial and celestial observingIncludes CD-ROM The Sky Astronomy Software which provides education about the sky and printable sky maps Crafty connector!  The Celestron cable allows NexStar-equipped telescopes to be controlled by a laptop computer or PC. Once connected the NexStar unit can be controlled with popular astronomy software programs. This 62-inch cable connects to a PC's serial port. Designed and manufactured to exacting standards Meade Series 4000 Super Plossl eyepieces deliver wide 52 Degree apparent fields of view (44 Degrees for the SP40mm) with all of the resolution edge-of-field sharpness and color correction demanded in the most advanced visual applications. All eyepieces are multi-coated and include soft rubber eyeguards.Each Series 4000 Set Includes: 6.4mm Super Plossl Telescope Eyepiece 1.25 The all new Meade LX80 Multi-Mount - Three Mounts In One     Now you no longer have to make the difficult decision between the ease of setup and operation of an alt-az mount or the versatility and long duration imaging capability of a German equatorial mount.  Meade's LX80 is the only mount that gives you both plus one more - three computerized GoTo Mounts for the price of one.     The new line of LX80 telescopes with Multi-Mount is the most innovative and versatile mid-range telescope system available anywhere.     Meade LX80 Multi-Mount     The LX80 Multi-Mount operates in three modes German equatorial single OTA alt-az and dual OTA alt-az.  Setting up in any mode is quick and easy.  The LX80 is built around a solid aluminum structure with two large tapered roller bearings that handle radial and thrust loads on each axis to carry larger loads up to a total payload of 40 pounds in EQ and alt-az modes and up to 75 pounds in dual OTA mode.  Its precision worm gear drives on both axes deliver smooth accurate motion and Meade's proprietary SmartDrive provides periodic error correction that dramatically reduces errors providing performance only available on much more expensive mounts.  Both the primary and secondary OTA dovetail plates are industry-standard for maximum compatibility with all of your OTA's.  The LX80 computerized GoTo mount is controlled with the amazing AudioStar handbox with Meade's exclusive Astronomer Inside audio descriptions of the objects you are viewing.     LX80 Tripod     With large two inch diameter stainless steel legs the all new LX80 tripod is rugged and stable.  Built-in fine-tune leg levelers at the top of each leg make doing small adjustments the easiest they've ever been.     The Meade LX80 Multi-Mount is a perfect way to get the best of all worlds from your telescope gear.  Maybe one evening your dedicated for astrophotography - so a quick set-up for Equatorial mode and the LX80 telescope mount is ready to deliver excellent tracking fo Meade Series 5000 HD-60 6-Element Eyepieces. The latest advancement in the Meade Series 5000 eyepiece series offers a large 60 apparent field of view and a flat field of view which is tack sharp right to the edge. This design provides more than 17mm of eye relief for terrific viewing comfort while simultaneously delivering a 40% improvement in corrections for chromatic aberration and edge distortions over traditional Plssls. You simply won't believe how much a premium eyepiece can improve your view no matter what telescope you own.  Meade Series 5000 Plssl Eyepieces offer a very wide field-of-view with pinpoint edge of field sharpness and contrast. Specifications of this advanced design include a six element super fully multi-coated optical design with premium-grade and exotic optical glass for the best possible performance and image brightness and blackened lens edges for enhanced contrast.  Features a precision manufactured 1.25 barrel increased eye relief and an adjustable twist-up rubber eyeguard for comfort and blocking stray light. Take a look through a Series 5000 Plssl Eyepiece and rediscover your favorite celestial objects.  Product carries full one year Meade factory limited warranty. Celestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain Telescopes up to 11.  The HD Pro provides a heavy duty stable platform that is perfect for astroimaging and guarantees minimal vibration.  A low latitude range of 0-90 degrees makes this wedge functional for use at the equator.  Built-in features include altitude/azimuth adjustment controls with oversized knobs attached for easy polar alignment a hand control holder that provides the option of placing on the wedge or the fork arm a tilt plate for easier mounting of the telescope by simply rotating the scope onto the wedge and a large 14 mm diameter latitude adjustment screw to add strength and stability while supplying less vibration and easier rotation with a heavy telescope.       14mm Diameter Latitude Adjustment Screw - Adds strength and stability. Does not flex or bend providing less vibration and making it easier to rotate a heavy telescope.  0-90 Degree Latitude Range - Low latitude range perfect for use at the equator.  Built-in Hand Control Holder - Allows user to place the hand control on the wedge or fork arm. Hand control won't fall off when fork arm is angled towards the ground.  Tilt Plate - Recesses to fit base of telescope and base of scope drops into place just by rotating. Mounting telescope on wedge becomes easier.  Heavy Duty Side Plates - More rigid with more material provides less vibration while imaging.

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Stephen Hawking's Universe: Human Self Destruction Genius of Britain - Richard Dawkins (1/4) Hormone imbalance symptoms | SteadyHealth.com through regular use of the muffin top machine see below Sherry Turkle: Connected, but alone? - Cellet Premium Composite AV Cable - Allows you to watch videos or slideshows on the big screen! - Designed in the U.S.A. - Compatibility: iPad/iPhone/iPod - Cable Length: 5ft. - Color: White - Manufacturer Part No.: DAAPPAV - Cellet Premium Composite AV Cable for Apple iPhone 4 Verizon (Apple Licensed)Allows you to easily connect your Apple iPhone 4 Verizon to a TV or home theater system so you can watch videos or slideshows on the big screen. The cable extends to 5ft. and features a USB connector that you can plug into a USB power source. Designed in the U.S.A. Stephen Hawking - Campus Party speech (2006) Georgia Bulldogs Tide Facebook Timeline Cover Photo for your Facebook ... Watch President Obama Deliver Full 2011 State of the Union Address
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The Celestron CPC telescope is an amazing instrument for visual and astrophotography use. The Celestron CPC telescope is an Alt-Azimuth mounting style telescope. Astrophotography is possible and done very well in Alt-Az mounted telescopes however most will tell you that an Equatorial mounted telescope is the right choice for serious astrophotography. That's why we have combined the Celestron CPC telescope with the Celestron HD Pro Heavy Duty Wedge. A wedge is a piece that mounts inbetween the Tripod and the Fork Mounted CPC telescope. It changes the telescope to an Equatorial mounted telescope. This allows you to polar align your telescope and will minimize the tracking that is done on a standard Fork Mounted Alt-Az CPC telescope. The Celestron CPC Series Telescopes are fully computerized GPS enabled GoTo telescopes. They feature Celestron's revolutionary SkyAlign technology (when used in Alt-Az mode without the wedge) and feature 40000 objects at the push of a button. This Celestron telescope package is the best way to get started into Astrophotography with a Celestron CPC telescope.
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