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  • telescopes and lenses

    Jims Mobile (JMI) MOTOFOCUS for Celestron 8 Inch or 9.25 Inch CPC Telescopes 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. 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 RC design. When reviewing Meades LX400 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 Schmidt Cassegrain) was dramatic to say the least.Meade Ultra High Transmission Coatings (UHTC) increases total light transmission and image brightness by nearly 20% over Meades standard coatings. Objects such as stars galaxies and nebulae will appear significantly brighter. Crafted for quality, the 2 inch diagonal mirror permits wide fields of view impossible to achieve with eyepieces of smaller barrel diameter.The focuser of the Meade DS 2080AT telescope includes a 2 inch eyepiece holder to accept the oversize diagonal mirror, which in turn accepts eyepieces of 2 inch barrel diameter. An adapter is included to allow for the use of standard 1.25 inch eyepieces in the 2 inch Diagonal Mirror as well.Note: the mirror is required only on the DS 2080AT telescope. DS reflecting telescopes (e.g., DS 2114ATs) do not require a diagonal mirror to use 2 inch eyepieces. The world's top astronomers got started with a telescope just like this one   and so will you.  A quality refracting telescope for land or sky viewing.  Perfect for observing Saturn Jupiter the Moon and land objects.A first look at the rings of Saturn or the crators of the Moon can inspire a lifetime of exploration.  Go to any star party anywhere in the world and you'll see more Meade telescopes than any other. Comes with AutoStar Suite Astronomer Edition Software on DVD AutoStar Suite Astronomer Edition software will help you learn the night sky.  It displays more than 10000 celestial objects including planets stars galaxies and nebulas.  You can even print out star charts and plan your observing sessions.  It operates on any Windows based PC.  Also includes instructional  videos.  You'll be up and running in no time.  The universe is waiting. Features: Slow motion Controls on Both Axes   Find and track objects easily with precision controlsIncludes Red Dot Projection Viewfinder   For easy acquisition of quide stars while star hopping for celestial targets.Heavy Duty Steel Tube Tripod   Provides a rock solid platform for viewing9mm and 25mm Eyepieces includes1.25 inch Star Diagonal With the largest aperture of the Celestron CPC GPS line the CPC 1100 GPS Schmidt Cassegrain telescope delivers the most light gathering power and a limiting magnitude of nearly 15. The CPC 1100 GPS takes full advantage of its vast database of thousands of NGC and Abell galaxies and provides a new level of detail to all your favorite deep sky objects.      Celestron CPC Telescopes are available in three aperture size choices:    The Celestron 11 Inch CPC Schmidt Cassegrain with StarBright XLT Coatings offers innovative technology that will allow you to look deep into space. This scope combines new SkyAlign alignment technology advanced engineering and a bold new design all at an affordable price.     In fact Celestron's Professional Computerized (CPC) Series with revolutionary SkyAlign alignment technology redefines everything that amateur astronomers are seeking. They offer quick and simple alignment GPS unsurpassed optical quality ease of setup and use advanced ergonomics enhanced computerization and value for money. The 11 inch CPC truly has it all.     The Celestron CPC Series includes an internal GPS receiver that automatically downloads the date and time from orbiting satellites pinpointing the telescope's precise location. This eliminates the need for you to input the date time longitude and latitude manually.     Thanks to SkyAlign alignment is a breeze. Simply locate and manually point the telescope towards three bright celestial objects   even the moon and bright planets will work. Celestron's NexStar software technology will then model the night sky to determine the position of every star planet and celestial object above the horizon.     Once aligned the remote hand control allows direct access to each of the celestial catalogs in its remarkably user friendly database. The CPC's database contains more than 40000 celestial objects including Messier objects the Caldwell Catalog as well as NGC Galaxies nebulae and planets. User definable filter limits make n THE SMARTEST TELESCOPE IN THE UNIVERSE!     A truly revolutionary product with ground breaking technology SkyProdigy is the product of a culmination of decades of telescope advancements.  It combines electronic motors an intelligent on board computer a digital camera and StarSense technology to create an automatic instant alignment telescope that requires no input from the user.  Simply turn it on push a button and enjoy the view!  Its that easy.     The SkyProdigys automatic alignment process takes only a few minutes and you will be ready to select from thousands of objects in its database to view.  Not quite sure what to look at?  Select the Sky Tour option; this feature offers a customized list of the best objects in the sky to view for your exact time and location anywhere in the world!     No knowledge of the night sky is required.  One touch innovation turns anyone into an instant astronomer!     Celestrons SkyProdigy telescopes use an integrated imaging camera and patented StarSense Technology to automatically align with the night sky and determine where the telescope is currently pointing. The camera automatically captures an image of the sky which is processed internally to positively identify stars in the image. Once a positive match is found SkyProdigy determines the coordinates of the center of the captured image. The process is automatically repeated two additional times so that the system has three known alignment points that can be used to make an accurate model of the night sky. From this information the user can select any celestial object in the hand controllers database and SkyProdigy will automatically move itself to the correct position.     *The SkyProdigys internal camera does not have an external output allowing users to view or save captured images. The captured images are used internally solely for the purpose of self aligning the SkyProdigy telescope.        FEATURES          More Than Twice the Li Freedom from Ghost images even when stacked.  Striae free substrates are polished parallel to 30 seconds of to avoid wedge errors.  Finest 7 layer  hard multicoatings on both faces feature 0.25% residual reflections (Baader filters are unique no other colored filter incorporates anti reflection multicoatings).  The coatings are also different for each of the filters in order to match the coating performance to the filter curve of each color.  This maximizes the transmission and minimizes reflections.     Extremely High Transmissions result in maximum contrast and isolation of planetary details even with smaller telescopes.  Efficiencies of the three longpass filters (Red Orange and Yellow) peaks at 98% and efficiencies of the three bandpass filters (Green Blue Dark Blue) achieve 70%.      Carefully designed spectral characteristics.  Filters may be stacked without image degradation or ghosting in order to provide even narrower passbands.  Or combine with any of the other Baader filters for interesting possibilities.     No reduction in sharpness even at high magnifications or when using the filter far ahead of the focal plane (ie digital imaging or in front of a diagonal or binoviewer). Freedom from Ghost images even when stacked.  Striae free substrates are polished parallel to 30 seconds of to avoid wedge errors.  Finest 7 layer  hard multicoatings on both faces feature 0.25% residual reflections (Baader filters are unique no other colored filter incorporates anti reflection multicoatings).  The coatings are also different for each of the filters in order to match the coating performance to the filter curve of each color.  This maximizes the transmission and minimizes reflections.     Extremely High Transmissions result in maximum contrast and isolation of planetary details even with smaller telescopes.  Efficiencies of the three longpass filters (Red Orange and Yellow) peaks at 98% and efficiencies of the three bandpass filters (Green Blue Dark Blue) achieve 70%.      Carefully designed spectral characteristics.  Filters may be stacked without image degradation or ghosting in order to provide even narrower passbands.  Or combine with any of the other Baader filters for interesting possibilities.     No reduction in sharpness even at high magnifications or when using the filter far ahead of the focal plane (ie digital imaging or in front of a diagonal or binoviewer). Here's looking at you!Every amateur astronomer needs telescope eyepieces lenses and filters. And the Celestron 2 inch eyepiece and filter kit is one of the most versatile accessories you can own. Contains:Three E Lux 2 inch eyepieces Three element fully multi coated optical design with a 56 degree apparent field of view (40mm has 50 degree). Supplied in 26mm 32mm and 40mm focal lengths.A 2X Barlow lens   A 2X Barlow doubles the magnifying power of your eyepiece by doubling its effective focal length. The E Lux Barlow is fully multi coated and with three eyepieces gives a total of six power combinations. It includes an adapter ring that will let you use 1.25 inch eyepieces with it.Five 2 inch colored lunar and planetary eyepiece filters   Included are Kodak Wratten #12 (deep yellow) #21 (orange) #25 (red) #58 (green) and #80A (blue). These filters will greatly enhance your enjoyment of our solar system.2 inch mirror diagonal   A high quality 90 degree multi coated mirror diagonal allows you to take advantage of the wider field of view provided by 2 inch eyepieces. This diagonal fits rear cells of all Schmidt Cassegrain telescopes and includes an adapter to use with refractor telescopes.Aluminum carrying case   This sturdy case accommodates all of the other items in its die cut foam interior and even offers room for additional accessories. Explore Scientific Twilight I Deluxe Portable Grab and Go Precision Altaz Mount & Field Tripod  The TwiLight I Altaz is a perfect grab and go platform. Designed with an adjustable angle head to accommodate many various telescope designs.  Perfect for medium to lightweight telescopes (payload capacity of 15 lbs). Works with Explore Scientific BRESSER or any telescope that uses the Vixen style dovetail bracket.

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    Pegged August 14, 2012

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    The new Baader Solar Continuum filter is designed to enhance the visibility of solar granulation and sunspot details. By transmitting a specific spectral region around 540nm free of emission and absorption lines the Solar Continuum filter is able to boost contrast and reduce the effects of atmospheric turbulence. With the Solar Continuum filter in place images snap to focus and granulation becomes regularly visible. Details at the limit of visibility become easier to hold and image motion is reduced.  The Solar Continuum filter works well in all types of telescopes for both visual and imaging. Users of SCTs and achromatic refractors will find it particularly beneficial as it completely excludes the red and blue wavelengths and centers on the peak visual wavelengths where the telescope optics are sharpest and free from chromatic aberrations. For digital imaging we also recommend the Continuum filter be combined with our UV/IR Cut Filter (to completely cut the defocused far infrared wavelengths).  The Solar Continuum filter also makes the perfect star test filter. Its narrow bandpass and complete blockage of longer and shorter wavelengths make it superior to standard green colored filters for testing refractors at their center design wavelength (and peak visual wavelength). With this filter more accurate appraisals of optical quality can be made without the effects of spherochromatism or secondary color error. Due to the narrow 10nm bandpass star testing through the Solar Continuum filter will require a bright test star.  As with all Baader Planetarium Filters the Solar Continuum possesses all the trademark Baader filter qualities. Optical physical and mechanical quality are superb.  Please Note: for safe use the Solar Continuum filter must be used in conjunction with a primary solar filter (ie Herschel Wedge Prism or Baader AstroSolar Film). It must be placed after the primary filter and cannot be used alone or permanent eye and equipment damage will result.
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