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Fully coated 90mm Maksutov-Cassegrain optics, SkyAlign and auto star alignment and a computerized altazimuth mount combine in this Celestron NexStar 90SLT 22087 telescope to expose you to the world of stargazing fun with a crystal-clear view.

The flexible, molded EVA construction of this Celestron NexStar 94004 rolling hard shell case helps protect your Celestron NexStar 8 telescope or 9.25"/11" SCT/EdgeHD optical tube on the go. The storage pocket provides ample room for accessories.

These marine binoculars feature a horizontal and vertical etched reticle to help determine the relative size of distant objects and a water-resistant design to prevent water damage. The multicoated lenses provide optimal contrast.

Use these Celestron Oceana 71189-B 7 x 50 magnification-capable binoculars' built-in reticle, calculator dial and illuminated compass to determine the size of a distant object, your distance from it and your orientation for easy navigation.

This monocular features fully multicoated optics for enhanced resolution and high contrast and is rubber covered to prevent damage. A built-in compass helps you find your destination.

This pair of binoculars features multicoated optics for high-quality contrast and brightness and BAK-4 prisms for enhanced color fidelity. The water- and fog-resistant design protects against the elements.

Easily view specimens under 1 of this Celestron PentaView 44348 microscope's 5 objective lenses from multiple vantage points using its 180? -rotating 4.3" TFT screen. The built-in 5.0MP camera lets you capture photos and save them to your computer.

View fascinating specimens under this Celestron 44310 portable digital microscope's 1-3.7x and 54x magnification-capable lenses in crystal clarity via its built-in 2.4" LCD. Adjustable LED lighting helps keep your subjects brightly illuminated.

View the night sky with this telescope that features a 3x Barlow lens for enhanced magnification and high-transmission optical coatings for bright, clear images. Slow-motion controls allow smooth tracking.

The Celestron PowerSeeker series of telescopes is designed to give the first-time buyer the perfect combination of quality, value, features and power. Offering exceptional value, these telescopes feature portable yet powerful designs with ample optical performance to excite any newcomer to the world of amateur astronomy.

Sight in terrestrial and astronomical objects with ease through this Celestron PowerSeeker 60AZ 21041 telescope's 5 x 24 finderscope and then zoom in for a detailed look using its fully coated 3x Barlow lens and 8.57-142x magnification power.

Making fine adjustments to this Celestron PowerSeeker 60EQ 21043 telescope's position is easy using its equatorial mount and slow-motion controls. The 4mm and 20mm eyepieces, fully coated 3x Barlow lens and 8.57-142x magnification provide a clear view.

This telescope features slow-motion controls for simple operation and erect image optics for terrestrial and astronomical applications. The included The SkyX planetarium software helps you identify up to 10,000 celestial objects.

This Celestron PowerSeeker 70EQ 21037 telescope's multicoated 3x Barlow lens combines with its 10-165x magnification capability and 5 x 24 finderscope to make it fun and easy to observe terrestrial and astronomical objects in crystal clarity.

This Celestron PowerSeeker 94306 accessory kit equips your 1.25" eyepiece- and filter-compatible Celestron telescope with enhanced magnification and the ability to expose greater planetary detail using its Kellner eyepieces and red and blue filters.

The Celestron PowerSeeker series of telescopes is designed to give the first-time buyer the perfect combination of quality, value, features and power. Offering exceptional value, these telescopes feature portable yet powerful designs with ample optical performance to excite any newcomer to the world of amateur astronomy.

This computerized telescope-compatible Celestron PowerTank 18774 power supply features two 12V outputs, plus 3V, 6V and 9V outputs, to help keep your telescope and accessories charged and ready for stargazing.

This Celestron PowerTank 17 18777 power supply features two 12V outputs, plus 3V, 6V and 9V outputs, to help keep your Celestron powered telescope and accessories charged and ready for stargazing. A built-in circuit breaker helps ensure safe use.

A heavy duty professional level biological microscope. An extra large mechanical stage allows ample working space and knobs control both axes for easy centering of specimen slides. Two sets of wide angle eyepieces allows for eight different powers.

Enhance your outdoor activities with this GPS receiver that features trail mode to record and display your route, so you can easily retrace your steps. The digital compass offers simple navigation.

Navigate to up to 20 stored locations with this GPS that features an altimeter, barometer and thermometer for real-time information at a glance. Trail Mode records your exact route and displays it on the LCD map.

reTrace Lite is a hand held GPS device which assists you in re-tracing your steps and keep you from getting lost! Unlike complex GPS products, the reTrace devices are simple and easy to use. Both run on 2 AAA batteries. Here are just a few examples of the many uses for the reTrace GPS locators.

Easily find your car in a parking lot, your favorite camping spot and more with this Celestron reTrace Lite 44850 personal GPS receiver that allows you to store and locate up to 5 waypoints and features WAAS for enhanced accuracy.

View the night sky with this refractor telescope that features a built-on StarPointer finderscope to help you locate objects for viewing. The computerized hand control offers easy use with the touch of a button.

This telescope features 20mm and 4mm eyepieces for optimal land and sky viewing. The lightweight design is easy to assemble for quick use.