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![]() B001TIE1D4 Price: $71.36 Score: 1000.000 Category: Electronics Rating: 4.1 Votes: 51 Find similar productsCelestron Polar Axis Finder for CG-4 (Omni) Mounts. Get some help polar aligning your Celestron Omni or CG-4 mount with the addition of the Polar Axis Finder. Install the finder into the polar finder port, located at the rear of the mount, and focus the eyepiece until the reticle is sharp. The reticle is etched with a few recognizable star patterns to help you align your telescope. If you are using your telescope in the Northern Hemisphere, you will recognize the Big Dipper asterism on the reticle, as well as the familiar âWâ of Cassiopeia. Use the Big Dipper to guide you in the spring and summer months, and Cassiopeia during the fall and winter. The North Star, Polaris, is also designated on the reticle, as is the NCP, or North Celestial Pole. Once you choose which star pattern to use, align your telescope so that the stars line up with the positions shown on the reticle, then move the telescopeâs azimuth and altitude adjustment controls to place Polaris in the crosshairs. The Celestron Polar Axis Finder can also be used in the Southern Hemisphere. Four stars of the constellation Octans are etched in the reticle. Adjust your telescope until those stars line up as shown on the reticle. | ![]() B0000XMXVG Availability: Currently unavailable Score: 7.937 Category: Electronics Rating: 3.8 Votes: 26 Find similar productsOrion 7330 Polar Alignment Scope for SkyView Pro Mount. From the Manufacturer Handy scope makes polar-aligning the SkyView Pro equatorial telescope mount a cinch. Built-in reticle pattern includes Big Dipper and a target-spot for Polaris - just place Polaris in the circle and you're mount is all set for manual or motorized tracking!. Easy installation - Polar-Axis Finder Scope threads directly into SkyView Pro mount housing along R.A. (right-ascension) axis. Quick polar-alignment gives you more time to enjoy the view at the telescope eyepiece. Ensures accurate tracking and slow-motion control for your SkyView Pro telescope mount. |
![]() B00DSXW5OU Price: $319.55 Score: 7.407 Category: Electronics Rating: 4.3 Votes: 88 Find similar productsCelestron 93648 Deluxe Off-Axis Guider (Black). The Off-Axis Guider is an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible. The Celestron Off-Axis Guider uses a prism to intercept a small portion of the telescope’s focal plane (outside the field of view of the main imaging camera) to locate a guide star. Any movement seen by the guide star will be the exact same movement seen by the imaging camera. Guiding this way will correct for tracking errors, as well as opto-mechanical errors or flexure. The result: better astroimages with pinpoint round stars.Off-Axis Guiders have been around for a long time, but typically pose three main challenges:1 Finding a guide star from the far edges of the telescope’s focal plane can be difficult, considering the small field of view and sometimes less-than-ideal illumination.2 Getting both imaging camera and autoguider to reach focus with one another is time consuming and sometimes requires experimentation.3 Additional spacers and adapters are usually required for your particular camera, telescope, and autoguider, which adds to cost and complexity.Celestron's Off-Axis Guider addresses these challenges by:1 Providing a large 12.5 mm prism that can be adjusted to move closer to the center of the telescope’s focal plane, depending on the size of the imaging camera. This results in brighter guide stars, with the help of the large prism to fully illuminate the autoguider sensor.2 Featuring a high-quality, fixed-orientation Helical focuser. This provides extremely smooth and accurate focus of the autoguider without changing (or twisting) the autoguider camera orientation.3 Including all the needed spacers and adapters are included for most common imaging configurations, including DSLR cameras, Nightscape CCD cameras, and more. The following adapters are included: SCT/EdgeHD, female M48, female M42 (T-thread), male M48, male M42 (T-thread), 3 T-thread spacers Additional SpecificationsHelical Focuser Travel: 8mmTelescope Connection: M42 T-thread, M48, and SCT/EdgeHDAutoguider Connection: M42 T-thread, and standard 1.25 adapterCamera Connection: M42 T-thread, and M48. | ![]() B0069VXKM4 Availability: Currently unavailable Score: 7.042 Category: Electronics Rating: 3.7 Votes: 13 Find similar productsOrion 3640 Collimating Telescope Eyepiece. From the Manufacturer Economical collimation tool ensures that your reflector telescope's optics are in precise alignment. Combination 5 long sight tube and 1.25 Cheshire eyepiece. For aligning optics of Newtonian reflectors, Dobsonian reflectors, and Schmidt-Cassegrain Telescopes (SCTs). Peephole in top and crosshairs at bottom enable precise optical centering. Compatible with 1.25 telescope focusers or 2 focusers with a step-down adapter for using 1.25 accessories. |
![]() B01GS9POXY Price: $649.95 Score: 6.667 Category: Electronics Rating: 4 Votes: 38 Find similar productsCelestron StarSense AutoAlign - Sky-Watcher SynScan, Black (94006). Star sense technology was innovated by celestron’s engineers, allowing a Celestron computerized telescope to automatically align itself with the night sky. It’s never been easier to locate celestial objects. Now, this technology can be ported to a computerized sky-watcher mount with this new interface box, further expanding the number of scopes that can take advantage of starsense’s revolutionary auto alignment! how it works: star sense camera and hand control both plug into the interface box and the interface box plugs into the mounted hand control port. In minutes your sky watcher mount is aligned and you are off to the stars. | ![]() B071K1M4XT Availability: Currently unavailable Score: 6.536 Category: Electronics Rating: 4.3 Votes: 5 Find similar productsIDEA Engineering NearStar Solar Finder. The NearStar Solar finder makes finding the sun on any scope simple, precise and easy. The base will fit into any standard Orion, Synta, GSO, TPO, Zhumell, X-Class 8x50 or 6x30 finder bracket base. The sun will shine through the front hole and project an image on the frosted translucent rear surface to easily locate the sun with your telescope. Machined aluminum construction. |
![]() B08CKSWK7B Price: $44.79 Score: 5.988 Category: Electronics Rating: 4.5 Votes: 72 Find similar productsCelestron 93653-A 1.25-Inch Visual Back Metal Adapter (Black). A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and accepts 1.25” accessories, including diagonals, eyepieces (for straight-through viewing), Barlows, webcams, and any other accessory with a 1.25” insert barrel. All Celestron 5”, 6”, 8”, 9.25” and 11” Schmidt-Cassegrains come standard with the 1.25” Visual Back. To use 2” diagonals on a Celestron 5” - 11” Schmidt-Cassegrain, remove the visual back and thread on a 2” diagonal made especially for Schmidt-Cassegrain telescopes, such as the Celestron 2” XLT Diagonal (#93527). | ![]() B0B2X3B8Z7 Availability: Currently unavailable Score: 5.952 Category: Electronics Rating: 4.1 Votes: 56 Find similar productsOrion 7210 Black 6x30 Achromatic Finder Scope. From the Manufacturer Quality crosshair viewfinder makes targeting celestial objects in your telescope easy!. Fully coated 30mm achromatic finder scope optics yield sharp, bright views for easy aiming. 6x power magnification reveals objects of interest in the sky. Aluminum dovetail bracket has easy X-Y oriented alignment screws. included bracket features a dovetail shoe that fits mounting bases found on most orion telescopes; extra dovetail bases are available (sold separately) for attaching the finder scope to other telescopes. |
![]() B01LYQU7W4 Price: $139.95 Score: 5.525 Category: Electronics Rating: 4.4 Votes: 105 Find similar productsCelestron Nexstar+ Hand Control USB, AZ 93981 (Black). The Celestron NexStar+ AZ Hand Control is the standard computer accessory on all current altazimuth mounted Celestron go-to telescopes: SLT, LCM, SE, NexStar Evolution, and CPC, and CPC Deluxe computerized telescopes. With the push of a button, you can access NexStar+’s huge database of over 40,000 celestial objects. Automatically slew to objects in a variety of catalogs, including the Messier, NGC, Caldwell, and SAO brightest stars. The planets as well as a list of the most popular objects are also included. Not sure what to look at? Use the Tour Mode, and you’ll be shown a selection of the most popular objects for the time and date you are observing! NexStar Plus includes many setup conveniences like SkyAlign, customizable max slew speed, programmable slew limits, and more. This hand control includes USB Flash Upgradeable Technology, allowing users to upgrade its software with Celestron Firmware Manager. | ![]() B07XQXTG9Y Availability: Currently unavailable Score: 5.495 Category: Electronics Rating: 1 Votes: 1 Find similar productsOmegon Apochromatic Refractor Pro APO AP 71/450 Quadruplet OTA. Better astrophotos that help you discover the sky in a new way. What is it that drives astrophotographers time and again? It is the fascination of depicting the sky in its most beautiful colours and shapes. With this apochromat, you can do just that. The premium ED glass and a colour-pure image make for enjoyable observations with fine details that would not be possible with basic optics. Rediscover the sky. Why these optics reveal more details No more images without contrast. This apochromat shows what is really possible: pure-colour and high-contrast observations and astrophotos. The key is a sophisticated optical design with premium ED glass for a crystal-clear image. Compared to most mirror systems, the better-defined optics allow you to see more and finer details when observing the planets, for example. All surfaces of the lens elements are treated with an effective multi-coating to prevent reflections. Enjoy memorable observations and shots. 2.5 focuser with gearing and ball bearings This 2.5 geared focuser is a small spatial miracle, and large enough that no shading occurs. An ingenious hybrid technology comprising a Crayford focuser and a gear wheel makes it particularly strong and suitable for accessories weighing up to 4kg. The ball bearings provide for smooth focusing, allowing you to easily find the perfect focus. A 1:10 reduction gearing makes precise focusing a breeze. Astrophotographers around the world value precisely these features. 360° rotation for framing the perfect photo. You found the object and focused on it, but with the wrong orientation? Save yourself the trouble of having to start over again at night to align an elongated object with the sensor. This is ea. |









