Catadioptric, Up To 100x Binoculars & Telescopes

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Featuring high-quality Maksutov-Cassegrain optics, the NexStar 4SE is an ideal telescope for observing and photographing the wonders of space. With a total weight of 21 lbs including the tripod, the ultra portable 4 SE features a precision optical system with 1,325 mm focal length (f/13) and is the first Maksutov system to ever feature our premium StarBright XLT coatings. The 4 SE includes a camera control feature that allows you to remotely take a series of timed exposures using your digital SLR camera. Plus the Flip Mirror Control, Straight Through Photographic Port and Tripod featuring a built-in wedge help make short-exposure astrophotography a heavenly experience. Quick release fork arm mount, optical tube and accessory tray for no-tool setup Sturdy computerized altazimuth mount Internal battery compartment to prevent cord wrap during use Ultra sturdy steel tripod features built-in wedge, which allows 4 SE to be used for astrophotography Nearly 40,000 object database with 200 user-definable objects and expanded information on over 200 objects SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process Flash upgradeable hand control software and motor control units for downloading product updates over the Internet Custom database lists of all the most famous deep-sky objects by name and catalog number, the most beautiful double, triple and quadruple stars, variable star solar systems, objects and asterisms DC Servo motors with encoders on both axes Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of go to features

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$499
 

starting at

$3,400
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Vixen's unique catadioptric design features a high precision sixth order aspherical primary mirror, a convex secondary mirror and triplet corrector lens. VISAC is an abbreviation for Vixen's Six-Order Aspherical Cassegrain. The primary mirror is held by a retaining ring, instead of hooks to decrease flare and enhance constrast. The VC200L is an 8" f/9.0 highly corrected, highly specialized telescope for astro imaging. The VISAC provides high-definition star images to the edge of a wide viewing field and offers exceptionally outstanding performance in astrophotography. Even at the edge of the 35mm film format (larger CCD chips) stars are sharp (smaller than 15 micrometers). This is smaller than the resolution of fine quality CCD cameras, which means that the telescope does not limit the image quality. With its eleborate aspherical optical design it achieves an excellent image correction throughout the large illuminated field (42mm diameter fully illuminated). With the f/6.4 reducer you get much shorter exposure times. The reducer is a highly recommended optional accessory. The basic configuration includes a pigge-back camera holder. You can take photos both through the telescope and using a telephoto lens parrallel to the main instrument or you can use the VC200L for guiding while the camera sits on top.

starting at

$3,400
 

starting at

$14,999
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Schmidt Cassegrain -Catadioptric Telescope - Objective Lens Size: 50 mm - Magnification: 7x

starting at

$14,999
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