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Tube Balance Weight Systems for Schmidt-Cassegrains. Balance heavy accessories attached to the eyepiece end of the telescope with these handy tube weights that attach easily to the factory-prepared front underside of your telescope. Each set includes three differing weights. 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 Celestron's Nightscape CCD camera combines the simplicity of a one-shot color imaging camera with the sophisticated features and software of more expensive astronomical imaging systems. Using a Kodak 10.7MP Color Sensor and regulated TEC cooling system Nightscape can give you instant results in just a single exposure. Coupled with the internal mechanical shutter and control software you can also automatically combine multiple images and dark frames to create images comparable to those taken with professional grade cameras costing thousands more. With Nightscape you get: Versatility With compact 4.75 micron x 4.75 micron pixels and 2x2 and 4x4 binning the Nightscape is perfectly matched for optimal resolution at multiple F-numbers. With an F/10 system and 2x2 binning Nightscape gives you a large image scale while still providing sub-arc second image sampling; ideal for bringing out fine detail in planets and compact deep-sky objects. Or take advantage of the high resolution 4.75 micron x 4.75 micron pixels at f/2 to capture your favorite wide field objects while maintaining resolution better than your seeing conditions. Nightscape gives you the versatility to match all the configuration of your EdgeHD SCT or other optical system. Fidelity The Kodak KAI-10100 Color Sensor offers both light sensitivity and a balanced spectral response for capturing true color fidelity in a fraction of the time as with a color filter wheel. Cooling Regulated Thermoelectric Cooling (TEC) and variable fan control provides a vibration free laminar air flow to dramatically reduce thermal noise inherent in all imaging sensors. Form Factor Compact four inch diameter design provides minimal obstruction needed for Fastar f/2 imaging. The round symmetrical aluminum cast body resembles the obstruction of the secondary mirror of a Cassegrain telescope ensuring round star with minimal light diffraction. Additionally the spacing to sensor is the same distance as m For professional-level stability! You've spent years developing your professional-level photographic technique all to help you capture the perfect shot. And when the opportunity for that shot comes you'll want to have your camera on firm footing. The Zhumell Professional Tripod will put it there. High Performance Features Includes quick-release mounting plate Weight rating of 8.5 lbs. to handle heavy cameras binoculars spotting scopes and telescopes With the Zhumell Professional Tripod and a favorite camera a photographer is ready to capture anything. So enjoy the perfect moment. And with the help of the Zhumell Professional Tripod capture it so the rest of us can enjoy it too. 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 Telescope Carrying Case for Meade LX200GPS 12 Starbeam - For Tele Vue Scopes - With Flip MirrorStarbeam's unique flip mirror feature provides comfort and flexibility for viewing at any angle from straight through to 90. Viewed straight through you see the natural sky with a 10 arc-minute (1/3 Moon diameter) 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 Design The 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 technology High quality 127mm Maksutov-Cassegrain Database allows telescope to locate over 4000 celestial objects Fully computerized Altazimuth mount SkyAlign allows you to align on any three bright celestial objects making for a fast and easy alignment process Quick-release fork arm mount optical tube and accessory tray for quick no tool set up Flash upgradeable hand control software and motor control units for downloading product updates over the Internet Sturdy stainless steel tripod and accessory tray included Internal battery compartment to prevent cord wrap during use Includes CD-ROM The Sky Astronomy Software which provides education about the sky and printable sky maps Meade Series 4000 Filters Color filters are essential for observing and imaging the moon and planets in tantalizing detail. The right filter can mean quite literally the difference between seeing several small craters in the floor of Clavius on the moon or not; seeing five or six swirls in Jupiter's north equatorial belt or not; seeing the inner crepe ring of Saturn or not. Depending on atmospheric conditions on Earth and the planet being observed (or photographed) the advantage of color filters can be anywhere from subtle to dramatic. Meade Series 4000 filters offer 26mm of clear aperture and are manufactured from the purest optical glass dyed-in-the-mass (not color coated) There are no finer filters available for telescopic applications. They thread into the barrels of virtually any brand of 1.25 eyepiece as well as the 1.25 Meade Basic Camera Adapter. They may also be stacked to achieve selective filtration of the visual color spectrum. Each Series 4000 filter is packed in a foam-fitted plastic case for safe long-term storage. #12 Yellow (74% Transmission) Adds contrast to blues and enhances reds and yellows on Jupiter and Saturn increases contrast on Mars and the moon (in scopes 6 plus) #23A Light Red (25% Transmission) Enhances detail in polar regions of Jupiter Saturn and Mars (in scopes 6 plus). Also increases contrast between Mercury and evening sky. #58 Green (24% Transmission) On telescopes 8 plus this green increases belt structure on Jupiter and Saturn's surface and in Saturn's rings. Also enhances Mars' ice caps. #80A Blue (30% Transmission) A popular filter for enhancing spiral features in Jupiter's cloud belt (including Red Spot) and adding contrast to Saturn and the moon. #11 Yellow-Green (78% Transmission) Contrasts with red and blue features on Jupiter and Saturn. Darkens the maria on Mars. Clarifies the Cassini division in Saturn's rings. #25A Red (14% Transmission) Dark red bl

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All new Meade LX600 Telescopes Now you can have the most advanced imaging platform available. The Meade LX600 series telescopes feature StarLock for automatic alignment ultra-precision pointing and assisted drift alignment. The Meade LX600 telescopes are available with or without the all new X-Wedge for equatorial mounting the telescope. Now the LX600 telescopes feature an all new optical system featuring an oversized Low-Expansion Borsilicate primary mirror Schott Borofloat glass corrector plate diffraction limited optics and an f/8 focal ratio. And with the optional Meade LX600/800 focal reducer you can bring that down to f/5 for even faster imaging. Meade LX600 features: Advanced Coma Free Optics StarLock dual imager and full time autoguider GPS Receiver Internal Crayford-style focusing system with 7:1 focus control OTA tube balance weight system AutoStar II handbox with 145000 object library Smart Drive with Permanent Periodic Error Corrrection (PPEC) Patented Level North Technolgy (LNT) Alignment System 8x50 Viewfinder AutoStar Suite software Free AutoStar upgrades from Meade.com Meade StarLock High-precision autoguiding down to one arcsecond No need for separate guider or computer Captures field stars down to 11th magnitude Meade ACF Advanced Coma Free f/8 Optics New faster f/8 Advanced Coma Free optics Two-Speed Crayford-Style Focuser with 7:1 micro adjustment Optional f/5 field flattener/focal reducer available Meade X-Wedge CNC Machined Aircraft-Grade Aluminum 30% More Stable Smooth Accurate Adjustment
All new Meade LX600 Telescopes Now you can have the most advanced imaging platform available. The Meade LX600 series telescopes feature StarLock for automatic alignment ultra-precision pointing and assisted drift alignment. The Meade LX600 telescopes are available with or without the all new X-Wedge for equatorial mounting the telescope. Now the LX600 telescopes feature an all new optical system featuring an oversized Low-Expansion Borsilicate primary mirror Schott Borofloat glass corrector plate diffraction limited optics and an f/8 focal ratio. And with the optional Meade LX600/800 focal reducer you can bring that down to f/5 for even faster imaging. Meade LX600 features: Advanced Coma Free Optics StarLock dual imager and full time autoguider GPS Receiver Internal Crayford-style focusing system with 7:1 focus control OTA tube balance weight system AutoStar II handbox with 145000 object library Smart Drive with Permanent Periodic Error Corrrection (PPEC) Patented Level North Technolgy (LNT) Alignment System 8x50 Viewfinder AutoStar Suite software Free AutoStar upgrades from Meade.com Meade StarLock High-precision autoguiding down to one arcsecond No need for separate guider or computer Captures field stars down to 11th magnitude Meade ACF Advanced Coma Free f/8 Optics New faster f/8 Advanced Coma Free optics Two-Speed Crayford-Style Focuser with 7:1 micro adjustment Optional f/5 field flattener/focal reducer available Meade X-Wedge CNC Machined Aircraft-Grade Aluminum 30% More Stable Smooth Accurate Adjustment
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