Catadioptric, 600x And More Binoculars & Telescopes

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$1,199
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The VMC200L is a unique catadioptric optical system. It incorporates a primary mirror and a meniscus corrector just before a secondary mirror. By doing so, light is corrected twice on the optical path. The end result is that spherical aberration and field curvature are corrected to a high degree of optical performance. The VMC200L's primary mirror is f/2.5; the compound optical system is f/9.75. This makes the system much more compact and portable than its competition. With the optical correction placed before the secondary mirror, the VMC200L avoids the necessity of having a corrector plate and all the dewing problems associated with a closed optical tube. An additional key feature is the rack and pinion focusing that is placed behind the primary mirror. The use of this focusing system eliminates the image shift associated with most other SCT systems. This is especially important when using high power magnification or astro-photography. When focusing, the image is stable and easy to adjust.

starting at

$1,199
 

starting at

$1,850
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The VC200L's catadioptric optical system is one of the most sophisticated optical designs available on the market today and has recently received some manufacturing upgrades. The New VC200L has a lighter-weight optical tube with improved anti reflection coatings, a metal carrying handle and now comes standard with a 7x50 finderscope. If you are looking for a photographic catadioptric, this is an excellent choice. With its unique VISAC (Vixen Sixth-Order Aspheric Cassegrain) primary mirror, the telescope gives a sharp image that is free of chromatic aberration and is flat and sharp to the edge of 35mm film. The VISAC optical system is composed of a concave primary mirror, a convex secondary mirror and a three element field corrector. Especially noteworthy is its sharpness and flatness at the edge, which far exceeds that of Schmidt-Cassegrain systems of the same aperture. It provides a pinpoint star image less than 15 microns, even at the edge of its 42mm image circle. The open tube design eliminates the dew problem that is common with conventional Schmidt-Cassegrain systems and its size makes it very easy to handle. The VC200L is well suited for observation and astrophotography of the moon, planets, star clusters, nebulae, and comets. The rack-and-pinion focusing mount accepts optional 2 eyepieces and accessories, and an f/6.4 reducer for photographic use is also available. The comes supplied with a 7x50 mm finder , a flip m

starting at

$1,850
 
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Galileo G-102MD Electronic Catadioptric Telescope is half the telescope with twice the ability. In some cases, shorter is better. This is one of them. The catadioptric feature has a correcting lens built into the optical tube that extends the focal...
 

starting at

$3,599
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The Vixen VMC200L is suitable for observation of all types of celestial objects. It benefits from a new, lighter-weight optical tube with improved anti reflection coatings, a metal carrying handle and a 7x50 finderscope. The VMC200L is a unique design that employs a meniscus corrector lens along with two high-precision spherical mirrors to help eliminate spherical aberration and yield a sharp image with no hint of false color. The VMC200L offers excellent performance for both visual and photographic use. The open tube design eliminates the dew problem that is common with conventional Schmidt-Cass systems, and its compact size makes it very easy to handle. The rack and pinion focuser accepts 2" eyepieces and accessories with an adapter. The STAR BOOK is easy to use and makes the SPHINX available to a wide range of ages and experience levels. As you zoom in closer to an object on the display, the motor speed becomes finer and as you zoom out, the motor speed increases to cover larger distances. Features and menu options are displayed on the large color screen and are navigated with simple buttons on the controller. A large astronomical database with 22,725 celestial objects is stored. A LAN Port within the controller allows for computer control and network connectivity. The STAR BOOK is also compatible with an autoguider (including SBIG ST). The autoguider port is standard on all controllers. The STAR BOOK controller can be used as a stand alone star atlas.

starting at

$3,599
 
store rating:
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Galileo G-102MD Electronic Catadioptric Telescope is half the telescope with twice the ability. In some cases, shorter is better. This is one of them. The catadioptric feature has a correcting lens built into the optical tube that extends the focal...
 
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Includes GPD2 Mount and HAL110 Tripod - Objective Lens Size: 200mm - Focal Length: 1950mm
 
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Includes GPD2 Mount and HAL110 Tripod - Objective Lens Size: 200mm - Focal Length: 1800mm
 
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Includes Sphinx Mount and Tripod - Objective Lens Size: 200mm - Focal Length: 1800mm
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